Write a balanced net ionic equation for a redox reaction that results in the formation of potassium chloride. (Assume that potassium chloride is not a starting material, and assume the reaction takes place in aqueous solution.)

Answers

Answer 1

2K + [tex]Cl_{2}[/tex] = 2KCl is the balanced net ionic equation for a redox reaction that results in the formation of potassium chloride.

Chlorine gas, Cl 2, will cause potassium metal, K, to burn, forming potassium chloride, KCl, an ionic molecule. This synthesis reaction is described by the following balanced chemical equation.

2K + [tex]Cl_{2}[/tex] = 2KCl

Consider this reaction to be a redox reaction as an alternative mental image. Here, chlorine gas is oxidizing potassium metal to produce potassium cations. Chlorine gas is converted into chloride anions during the process. The subsequent reaction between the potassium actions and the chloride anions will result in potassium chloride.

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Related Questions

Among the following radioactive parent isotopes, which has the shortest half-life?A) uranium-238B) potassium-40C) rubidium-87D) carbon-14

Answers

The half-life of a radioactive isotope is the time it takes for half of the original number of atoms in a sample to decay.

The isotope with the shortest half-life among the given options is:

D) carbon-14

The half-life of carbon-14 is 5,730 years which is shorter than the other isotopes. Uranium-238 has a half-life of 4.5 billion years, potassium-40 has a half-life of 1.25 billion years and rubidium-87 has a half-life of 49.8 billion years, all are greater than the half-life of carbon-14.

So, carbon-14 is the isotope with the shortest half-life among the given options.

It is important to note that the half-life of an isotope is a constant property of the isotope. For example, the half-life of carbon-14 is always 5,730 years and does not change with the amount of carbon-14 present or any other factors.

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Why were the authors interested in determining the strength of the hydrogen bond in solution as opposed to in a vacuum

Answers

This is because intermolecular forces have a greater effect in a solution when bonding is present than in a vacuum when bonding is not present.

The attracting and repellent forces that develop between the molecules of a substance are known as intermolecular forces or IMF for short. Individual molecules of a substance interact with one another through the mediation of these forces.

Most of the physical and chemical features of matter are caused by intermolecular forces.

An intermolecular force is an attractive force that develops between the protons or positive parts of one molecule and the electrons or negative parts of another molecule. This force affects a substance's many physical and chemical properties. The strength of a material's intermolecular forces directly relates to the boiling point of that substance; the stronger the intermolecular forces, the higher the boiling point.

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What is the occurrence of elements properties in which it repeats every after the eight elements?

Answers

The occurrence of elements properties in which it repeats every after the eight elements named a periodicity.

Periodicity would be the reappearance of identical features in an element's behavior when it is organized in atomic number-increasing at frequent intervals.

The repeating of a comparable electronic configuration of an element's atoms in its outermost electron shell after such a predetermined regular interval that's what causes periodicity in its properties.

The elements were organized by chemist John A. R. Newland in order of increasing their atomic weight. He gave it the name "the principle of Octaves" and described how a particular collection of qualities recurs every eight places.

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Suppose 114 mg of an unknown protein is dissolved in enough solvent to make 5.00 mL of solution. The osmotic pressure of this solution is measured to be 0.0761 atm at 25.0 degrees Celsius. Calculate the molar mass of the protein.

Answers

The pressure difference required to stop solvent from flowing through a semipermeable membrane is known as the osmotic pressure of a solution.

The molar concentration of the solute particles in solution directly relates to the osmotic pressure of a solution. Because a solution has a higher concentration of a solute than pure water does, water from pure water wants to diffuse or go by osmosis to the solution. Therefore, the osmotic pressure of a solution is always greater than that of pure water or solvent because it is necessary to prevent water from entering the solution. A semipermeable membrane can no longer pass water through it due to osmotic pressure. The osmotic pressure formula can be used to determine this pressure, which in turn inhibits osmosis from taking place.

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A principle of value stream mapping is to concentrate on speeding up value-added operations.
True/False

Answers

False. Value streaming mapping technique is used to analyze the flow of information, people and material required to bring a product to a consumer.

The value stream mapping is a series of steps. Value stream mapping provides a structured visualization of the key steps and corresponding data needed to understand and intelligently make improvements that optimize the entire process. Value stream is a series of steps that occur to provide the product or service that customers wants. Value stream mapping enables us to understand where the value is added, where it’s not and more importantly, how to improve upon the collective process.

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Grade7science
Can somebody plz help answer this science question ? (Will mark brainliest whoever amasses first) :DDD!

Answers

Answer:

From becoming magma. It comes to the surface because of the tectonic plates shifting, it's able to escape from the cracks. it also may cause the plates to melt and allow the magma to rise.

Explanation:

deep underground, rocks are put under tons of pressure and extremely hot temperatures, causing them to melt into magma. sometimes the magma cools and becomes igneous rock. Magma makes it to the surface by either escaping through cracks in tectonic plates or by melting the plates and rising.

How many moles of CH3CH2OH are contained in 548 mL of 0.0788 M CH3CH2OH solution?

Answers

0.0432 moles of CH3CH2OH are contained in 548 mL of a 0.0788 M CH3CH2OH solution.

what is molarity?

Molarity is a unit of concentration that expresses the amount of solute in a solution in terms of moles of solute per liter of solvent. It is represented by the symbol M. It is calculated by dividing the number of moles of solute by the number of liters of solvent in the solution. For example, a 0.5 M solution of NaCl would contain 0.5 moles of NaCl dissolved in every liter of water.

To determine the number of moles of a solute in a solution, you can use the formula: moles = (concentration (M) x liters of solution).

In this case, the concentration of the CH3CH2OH solution is given as 0.0788 M and the volume is given as 548 mL. Converting mL to L by multiplying it by 10^-3, we get 0.548 L. By applying the formula, moles = 0.0788 M x 0.548 L = 0.0432 moles of CH3CH2OH.

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Contaminants such as fertilizers, pesticides, and animal waste being released into nearby air and water can cause ___

A:Water pollution


B: Dead zones


C: Human health issues


D: All of the above​

Answers

Answer:

The answer is D all of the above

Explanation:

what is the magnetic field due to the wire at the location of the electron?

Answers

The trick with this type of problem is that they usually don't tell you anything because they don't seem to have enough information. But the key is in the phrase "parallel to the wire".

A charged particle in a field should normally bend. If not, there must be some other force at work that balances the magnetic force. In this case it is the electron attraction.

Therefore, the magnetic force on the electrons must be "upwards" (i.e., the electrons are supposed to be downwards, hence towards the wire). Also, its size must be equal to mg of electrons (its mass is easy to find).

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How can light help us understand atoms?

Answers

Answer: We can calculate the energy levels of an atom

Explanation:

Spectral lines tell us how many different energy levels an atom has, and how far apart those energy levels are spaced.This is possible because spectral lines are the result of an excess (emission lines) or deficiency (absorption lines) of observed photons emitted from certain types of matter. The lines are caused by electrons moving between energy levels within individual atoms. Since each element emits it's own unique spectrum, this means that different types of atoms must have a distinct number of electrons in very particular energy levels.

A compound is found to contain 10.37 % phosphorus, 4.689 % nitrogen, and 84.95 % iodine by weight. The molecular weight for this compound is 298.8 g/mol. What is the molecular formula for this compound

Answers

Answer:

P₂N₂I₄

Explanation:

Firstly, we calculate the empirical formula of the compound. To do this we find the moles of each element. Treat the percentages as masses.

The formula for moles is:

[tex]moles = \frac{mass}{relative \: atomic \: mass}[/tex]

The masses of each element are:

Phosphorus = 10.37g

Nitrogen = 4.689g

Iodine = 84.95g

The relative atomic masses of each element are:

Phosphorus = 31.0

Nitrogen = 14.0

Iodine = 126.9

Using these values, we can calculate the moles of each element:

[tex]moles \: of \: phosphorus = \frac{10.37}{31.0} = 0.335[/tex]

[tex]moles \: of \: nitrogen \: = \: \frac{4.689}{14.0} = 0.335[/tex]

[tex]moles \: of \: iodine \: = \: \frac{84.95}{126.9} = 0.669[/tex]

Using the moles, write them in a ratio to find the ratio of moles:

Phosphorus : nitrogen: iodine

0.335 : 0.335: 0.669

The smallest number here is 0.335, so divide each number by 0.335

0.335÷0.335=1

0.335÷0.335=1

0.669÷0.335=1.99... = 2 (round to the nearest whole number)

These numbers are used as the subscripts of each element.

This means that the empirical formula is:

PNI₂

To calculate the molecular formula:

[tex]\frac{molar \: mass \: of \: molecular \: formula}{molar \: mass \: of \: empirical \: formula}[/tex]

The molar mass of empirical formula is adding the molar masses of compound PNI2:

31.0 + 14.0 + 126.9 = 171.9

The molar mass of molecular weight or mass = 298.8 (given from the question)

Substitute these in the formula above:

[tex] \frac{298.8}{171.9} = 1.738...[/tex]

1.738 = 2 rounded to the nearest whole number.

Multiply all the subscripts seen in the empirical formula by the number 2:

PNI₂ × 2 = P₂N₂I₄

So
A scientist collected a 37.50 g sample of a
compound. Determine the % composition
of Cr in the compound if the sample is
made up of 19.01g O, Oxygen and 4.76 g
C, Carbon, and the remainder is Cr,
chromium. Type your answer to two
decimal places. Do not put the percent
sign.

Answers

Mass is a measure of an object's resistance to acceleration.

1. Calculate the total mass of the sample:

37.50 g

2. Calculate the total mass of the elements O and C:

19.01 g + 4.76 g = 23.77 g

3. Calculate the mass of Cr:

37.50 g - 23.77 g = 13.73 g

4. Calculate the composition of Cr in the compound:

13.73 g / 37.50 g x 100 = 36.56

What is Mass?

The resistance to acceleration of an object is measured by its mass. It is a fundamental property of physical objects and is often expressed in kilograms (kg) or grams (g). Mass is related to the inertia of an object, which is a measure of how difficult it is to change the object's motion. Mass also determines the strength of the gravitational force acting on an object.

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Hello can you please help me?
here is my big question:
considering that in any part of the periodic Table of the Elements, if the element's position is higher and more to the right, its atomic radius is smaller. So our element has more metallic character. According to this point, if we consider the elements from iron to zinc, zinc is more reactive than iron and copper. So why is the reactivity of copper less than iron?​

Answers

Answer:

because I'm the reactivity table of metals it shows that iron is indeed more reactive than copper

Explanation:

potassium (most reactive)

sodium

lithium

calcium

magnesium

aluminum

zinc

iron

tin

lead

hydrogen

copper

mercury

silver

gold( least reactive)

An example of a secondary sex characteristic is the increase in hair on some parts of the body.

Which organ(s) would be responsible for this trait? Select two options.

a. the thyroid
b. the ovaries
c. the thymus
d. the adrenal gland
e. the testes
f. the pancreas

Answers

Answer:

The ovaries the testes

Explanation:

Do good!



If the amount of H2 is doubled, how many moles of H2O would have formed?

Express your answer as an integer.

Answers

If the amount of H2 is doubled, then two moles of water have been created.

Hydrogen and water molecular interactions

Since one mole of H2 is required for the synthesis of one mole of water, doubling the amount of H2 would result in the formation of two moles of H2O. Hydrogen concentration and water content are connected. Five moles of water can be created if there are five moles of hydrogen available.

Similar to this, if 10 moles of hydrogen are accessible, ten moles of water can be produced, leading us to believe that if the amount of H2 is doubled, two times as many moles of water have been formed.

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P4(s) + Cl₂(g) → PCI3(l) + energy 4. Calculate the gram-formula mass of the product. Show all work. g/mol ​

Answers

The gram formula mass of the product, PCl₃, is 137.5 g.

What is the gram formula mass of a compound?

The amount of a compound that has the same mass in grams as the formula mass in an atomic mass unit is said to have the compound's gram formula mass. It is also known as the molar mass.

Every element's atom has a characteristic mass, and each compound's molecule has a characteristic mass determined by the compound's formula.

The gram formula mass of the product PCl₃ is calculated below:

The atomic mass of P = 31 g

The atomic mass of Cl = 35.5 g

The gram formula mass of PCl₃ = 31 + 35.5 * 3

The gram formula mass of PCl₃ = 137.5 g

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Predict the ideal bond angles in GeCl4 using the molecular shape given by the VSEPR theory
>120°
109.5°
120°
<120°
>109.5°
90°
< 109.5°
180°

Answers

Predict the ideal bond angles in GeCl4 using the molecular shape given by the VSEPR theory is 109.5°.

Germanium tetrachloride has an odd, acidic smell and is a colorless, fuming liquid. It is a necessary step in the creation of pure germanium metal. GeCl4 has seen a significant rise in utilization recently as a result of its employment as a reagent in the creation of fiber optics. GeO2 (germanium dioxide) may be immediately converted into germanium tetrachloride by dissolving the oxide in strong hydrochloric acid. To purify and remove the germanium tetrachloride from other products and contaminants, the resultant liquid is fractionally distilled. Rehydrolyzing the GeCl4 with deionized water will yield pure GeO2, which may then be reduced with hydrogen to get germanium metal.

complete question:Predict the ideal bond angles in GeCl4 using the molecular shape given by the VSEPR theory

109.5°

90°

120°

180°

< 109.5°

>109.5°

<120°

>120°

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A spinner with 6 equally sized slices has 3 red slices, 1 yellow slice, and 2 blue slices. The dial is spun and stops on a slice at random. What is the probability that the dial stops on a red slice? Write your answer as a fraction in simplest form.

Answers

Answer:

1/2

Explanation:

How many moles are in 4.0 x 10^24 atoms of silicon?

Answers

Atoms of silicon have 0.15 moles.

[tex]4.0 × 10^2^4[/tex] atoms of silicon.

We have to find the number of moles.

Silicon has the atomic number 14.

One mole of silicon contains [tex]6.023× 10^2^3[/tex] atoms.

[tex]6.023× 10^2^3[/tex]number of atoms are present in one mole of silicon.

[tex]4.0*10^24[/tex]number of atoms will have-

[tex]6.023*10^2^3/4.0*10^2^4=0.15[/tex] moles.

         

Thus atoms of silicon have 0.15 moles.

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The IUPAC name for dimethyl ketone is ) 2-propanal. B) 3-propanal. C) 2-propanone. D) 1-propanone. E) acetone

Answers

The IUPAC name for dimethyl ketone is (C) 2-propanone

The prefix "di-" indicates two methyl groups (CH3) is attached to the parent compound, which is a ketone. The parent compound is also known as propanone.

It is a clear, colorless liquid that is commonly used as a solvent and in the production of various chemicals and materials. It is also known as acetone. It is used as a solvent, as a starting material in the synthesis of other compounds, and as an intermediate in the production of certain polymers.

Utilized to create compounds such as plastic, fiber, medicines, and other substances. Other compounds can also be dissolved with it. It is a byproduct of the breakdown of human fat and is found naturally in plants, trees, volcanic gases, forest fires, and other organisms.

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A neon sign contains 2.01 x 10^25 atoms of gas. How many moles of neon are in the sign?

Answers

A neon sign contains 2.01 x 10^25 atoms of gas. 3.34 x 10^-3 moles of neon are in the sign.

What do you mean by mole ?

The term mole is defined as the amount of substance of a system which contains as many elementary entities.

1 mole is equal to 6.023 × 10 ²³ molecules.

According to Avogadro's constant, in one mole, there are 6.02 x 10^23 atoms.

To calculate how many moles are in 2.01 x 10^21 atoms, you would divide it by the amount of atoms that fit in a mole.

2.01 x 10^21 atoms / 6.02 x 10^23

= 0.00334 moles,

= 3.34 x 10^-3 moles

Thus, A neon sign contains 2.01 x 10^25 atoms of gas. 3.34 x 10^-3 moles of neon are in the sign.

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Your question is incomplete, most probably your question was

A neon sign contains 2.01 X 1021 atoms of the gas. How many moles of neon are in the sign?

a1.21 X 1045 mole Ne

b3.34 X 10-3 mole Ne

c2.00 X 102 mole Ne

d12.10 X 102 mole Ne

how does the hybridization of the sulfur atom change in the series SF2, SF4, SF6?
O sp, sp^3, sp^3 d^2 O sp^3, sp^3 d^2, sp^3 d^2 O sp^3, sp^3, sp^3 d^2 O sp, sp^3 d, sp^3 d^2 O sp^3, sp^3 d, sp^3 d^2

Answers

the hybridization of the sulfur atom change in the series SF2, SF4, SF6-Option 1 - sp, sp^3, sp^3 d^2 O sp^3, sp^3 d^2

The hybridization of the sulfur atom changes in the series SF2, SF4, SF6 as follows:

In SF2, the sulfur atom is in the sp hybridized state, meaning it has one s and one p orbital in its valence shell. This allows the sulfur to form a double bond with one fluorine atom.In SF4, the sulfur atom is sp3 hybridized, which means it has one s and three p orbitals in its valence shell. This allows the sulfur to form four single bonds with four fluorine atoms.In SF6, the sulfur atom is sp3d2 hybridized, which means it has one s, three p, and two d orbitals in its valence shell. This allows the sulfur to form six single bonds with six fluorine atoms.It is worth noting that the hybridization of the sulfur atom in SF6 is not very common and it is more likely the octahedral electron pair geometry of SF6 is achieved by the d orbitals of sulfur being empty and the sulfur atom being sp3 hybridized. In summary, the hybridization of sulfur in SF2 is sp, in SF4 is sp3, and in SF6 is sp3d2.

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Which is true of an atom? A. The valence electrons make up the majority of the mass and volume of an atom. B. The electron cloud makes up the majority of the mass and volume of an atom. C. The valence electrons make up the majority of the mass of an atom but do not take up much volume. D. The electron cloud makes up the majority of the volume of an atom but does not have much mass

Answers

The statement that is true about an atom is D. The majority of volume of an atom is make up by the electron cloud which has no mass.

In an atom, there are three sub-atomic particles that are protons, electrons and neutrons. The protons and neutrons are present inside the nucleus while the electrons revolve around the orbits i.e., circular orbits. The majority of volume of an atom is make up by the electron cloud which has no mass. Electrons are negatively charged in nature while the positive species are protons and neutrons carry no charge in them. The circular path is termed as orbits in which electrons revolve.

Thus, option D is the correct choice.

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How can you tell which metal is more reactive?

Answers

The reactivity of metals depends upon their position in the periodic table and their nature of undergoing chemical reactions.

The primary difference between metals is the ease with which they undergo chemical reactions. The elements toward the bottom left corner of the periodic table are the metals that are the most active in the sense of being the most reactive. Such as alkali metals like Lithium, sodium, and potassium all react with water, thus they are reactive in nature than the metals belonging to alkaline earth metals. The nature of more reactivity of alkali metals is due to larger atomic radius and low ionization energies and they have only one valence electron in its outermost shell.

Thus, the reactivity of metals depends upon their position in the periodic table and their nature of undergoing chemical reactions.

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how many grams of KNO3 that should be placed in the airbag to fully react with the Na.
10 Na + 2KNO3 > 1K20 + 5Na2O + 1 N2 (g)

Answers

The first time you have a chance at the top is the second one you get a free pass and you can go on your way back and then go. 10 Na+ 2kno3 is not that because of its popularity and the popularity it is a popular choice to be a member in a country that has a large number and is a member state in a world where there is a huge amount to choose between a country

Corn plants and milkweed plants grow in the same area. Over several years, the milkweed plants have taken over the field and the corn plants no longer have space to grow.

Answers

Answer:

This question is incomplete, the complete part of the question is as follows:

This best demonstrates which type of an interaction between the plants?

A. cooperation

B. parasitism

C. commensalism

D. competition

The answer is D

Explanation:

Organisms in their natural environment interact with one another in so many ways. The ways by which this interaction occurs are; competition, predation, commensalism etc.

Competition is the interaction between two organisms in which one or both organisms are harmed due to limited resources. Competition occurs when the organisms involved occupy the same niche or utilize the same limited resources.

In this question involving corn plants and milkweed plants. They are said to grow in the same area. Over several years, the milkweed plants have taken over the field and the corn plants no longer have space to grow. In this case, there is a limited space for growth, hence, the corn plant and milkweed COMPETE.

What is the molarity of a LiOH solution if 15. 5 mL of a 0. 112 M H2SO4 solution is

required to neutralize a 25. 0-ml sample of the LiOH solution?

2LiOH + H2SO4 --> Li + 2H20

Answers

Molarity is a measure of the amount of solute that is dissolved in a given amount of solution.

What exactly is Molarity?

Molarity is a measure of the concentration of a solution, defined as the number of moles of a solute per liter of solution. It is typically expressed as moles per liter, or M. Molarity is an important concept in many chemistry and biology applications, as it can be used to determine the amount of a certain element or compound that is present in a solution.

Moles of H2SO4 required to neutralize LiOH = (15.5 mL x 0.112 M H2SO4) / 1000 mL = 0.01728 moles

Moles of LiOH used = 0.01728 moles

Moles of LiOH in 25.0 mL sample = (25.0 mL x Molarity of LiOH) / 1000 mL

Molarity of LiOH = (0.01728 moles x 1000 mL) / 25.0 mL = 0.6912 M LiOH

Hence, the molarity of a LiOH solution is 0.6912 M.

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Is it true that only 2 ATP are formed during anaerobic respiration?

Answers

Pyruvate is converted to lactate in anaerobic conditions by anaerobic glycolysis. During anaerobic respiration, two ATP molecules are produced.

What is the primary step in glycolysis?

The method by which glucose is metabolized to produce energy is known as glycolysis. It generates water, ATP, NADH, and two pyruvate molecules. It doesn't need oxygen to happen because it happens in a cell's cytoplasm. Both in aerobic and anaerobic organisms, it happens.

How is glycolysis referred to?

Gustav Embden, Otto Meyerhof, & Jakub Karol Parnas identified the Embden-Meyerhof-Parnas (EMP) pathway, which is the most typical kind of glycolysis. The Entner-Doudoroff pathway and several heterofermentative & homofermentative pathways are examples of additional pathways that are included in the term "glycolysis."

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In anaerobic circumstances, anaerobic glycolysis converts pyruvate to lactate. Two ATP molecules are created during anaerobic respiration.

What is the first stage of glycolysis?

The process of converting glucose into energy is known as glycolysis. Water, ATP, NADH, and two pyruvate molecules are produced. It does not require oxygen to occur since it occurs in the cytoplasm of a cell. It occurs in both aerobic and anaerobic species.

How is glycolysis defined?

The Embden-Meyerhof-Parnas (EMP) route, which is the most common kind of glycolysis, was discovered by Gustav Embden, Otto Meyerhof, and Jakub Karol Parnas. Additional processes included in the word "glycolysis" include the Entner-Doudoroff pathway and numerous heterofermentative and homofermentative pathways.

Here,

Anaerobic glycolysis converts pyruvate to lactate under anaerobic conditions. During anaerobic respiration, two ATP molecules are produced.

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What is the molecular formula of a compound that has an empirical formula of CH2O and a molar mass of 120.12 g/mol

Answers

The molecular formula of a compound that has an empirical formula of CH₂O and a molar mass of 120.12 g/mol is C₄H₈O₄.

A molecular formula shows the number of different types of atoms that are present in a molecule whereas an empirical formula represents the simplest whole number ratio of the different atoms present in a molecule.

Given,

empirical formula= CH₂O

molar mass = 120.12 g/mol

To find: molecular formula

we know that,

atomic mass of carbon= 12 g/mol

atomic mass of hydrogen= 1g/mol

atomic mass of oxygen= 16 g/mol

molar mass of CH₂O

= (12+ 1×2 + 16) g/mol

=30 g/mol

therefore, molecular formula

⇒(CH₂O )n = 120.12

⇒30 n= 120.12

⇒n=120.12/30

⇒n= 4.004

⇒n≈4

Thus,

(CH₂O )n = (CH₂O )4 =C₄H₈O₄

Hence, molecular formula is C₄H₈O₄

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How many mol ratios can be obtained from the following chemical equation? Na2s + cd(No3)2 ———-> 2 NaNo3 +cds

Answers

12mol ratios can be obtained .



In chemistry, what is the net ionic equation?

The net ionic equation is a chemical equation that only depicts the elements, compounds, and ions that are directly involved in the chemical process.
As previously stated, we employ net ionic equations to highlight the molecules that change throughout the reaction. It makes it simple to identify the active molecules in a reaction since they are the only ones in the equation.

Fill in the blanks with the balanced molecular equation.
For each substance, write the state (s, l, g, aq).
Break down strong electrolytes into ions (the complete ionic equation).
Remove the spectator ions from both sides of the full ionic equation.



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What ordered pair is a solution to the system of linear equations? Using the following equation, find the center and radius of the circle. You must show and explain all work and calculations to receive credit. Be sure to leave your answer in exact form.x^2 + y^2 - 8x + 2y + 13 = 0 Please help multiple the 2 binomials and simplify your expression and also make sure you combine like term and write your answers in standard form :(w - 7z) (6w+2z)1) In your FINAL SOLUTION the first : 2) The second term is3) The third term is What is the one Classically Conditioned behavior that is paired after a single event?aFear of ClownsObOdTaste/Food AversionFear of HeightsClaustrophobia The start of an arithmetic sequence is shown below.Work out the nth term Work out the 30th term in this sequence.4 - 13 - 22 - 31 I need help with this question, someone please answer this!! How to find the height of an isosceles triangle when only base is given? what are the coordinates of the image of point (-1,-2) under a dilation of 3/2 with respect to the origin? Solve: -6n + 5 < 11Which graph shows the solutions?-6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6-6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6-6-5-4-3 -2 -1 0 1 2 3 4 5 6-6-5 -4 -3 -2 -1 0 1 2 3 4 5 6 Please help..... and how u got the answer Is a function that can be graphed discrete or continuous? A car that travels 20 miles in 1/2 hour at consent speed travels at the same rate as a car that travels 30 miles in 3/4 hour at a constant speed. Denise is comparing a salaried job offer for $1,500 a week to a wage of $55 per hour. Which equation would help her find the "break-even point" where each offer would be equal?A. 1500 = 55 + 2HB. 150010 = 55HC. 1500 = 55HD. 1500H = 55(40)E. 1500-H= 55 x 8 True or False? Pythagorastheorem involves the formula a2 +b = c The ratio of surfers to swimmers at a beach is 1 to 5. The ratio of female swimmers to the total number ofswimmers is 4 to 15. If there are 60 female swimmers, how many surfers are there? What is the difference of the polynomials 5x 3 4x 2 )-( 6x 2 2x 9? Why has the percentage of elderly people increased in China and Japan?A) Fewer children are born as resources are used up.B) More children are born as living standards decline.C) More children are born as resources are used up.D) Fewer children are born as living standards rise. hnberg Corporation had 540,000 shares of common stock issued and outstanding at January 1. No common shares were issued during the year, but on January 1, Ahnberg issued 160,000 shares of convertible preferred stock. The preferred shares are convertible into 320,000 shares of common stock. During the year Ahnberg paid $96,000 cash dividends on the preferred stock. Net income was $906,000. What were Ahnberg's basic and diluted earnings per share for the year What are 5 factors for determining your credit rating? When trees lose leaves in the fall, they begin to regrow them again in the spring. Would you say this is an example of a process running in reverse or something else. Explain your reasoning.Answer using at least 2 complete sentences.