S3o5 chemical compound

The total pressure exerted by the gas mixture is 74 kPa.

Hydrogen is an odorless, colorless, and tasteless gas that is the most abundant element in the universe. It is the lightest of all elements and is a component of many compounds, such as water and hydrocarbons. Hydrogen has the highest energy content of any common fuel, making it an attractive energy source. Additionally, it is utilised in the manufacture of fertiliser, polymers, and pharmaceuticals as well as a propellant.

This is calculated by adding up the partial pressures of each individual gas in the mixture, which in this case is 20 kPa for oxygen, 40 kPa for nitrogen, and 14 kPa for hydrogen. 20 + 40 + 14 = 74

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Answer: Heat is not a form of energy

sound is a form of energy

Explanation:

Answer: The molecular formula of the molecule is [tex]CH_3OH[/tex]

Explanation:

Molecular formula is the chemical formula which depicts the actual number of atoms of each element present in the compound.  

The given compound contains one carbon atom, four hydrogen atoms and one oxygen atom.

It is an alcohol with functional group -OH and with molecular formula of [tex]CH_3OH[/tex] named as methanol.

The molecular formula of the molecule is [tex]CH_3OH[/tex]

The molecular formula of the molecule in figure 3 is [tex]CH_3OH[/tex].

The following information should be considered:

Therefore we can conclude that the molecular formula of the molecule in figure 3 is [tex]CH_3OH[/tex].

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Answer:

It is a sour candy. And when you put it in water it will dissolves.  

Explanation:

The Ideal Gas Law states that the volume of a gas is proportional to its temperature at constant pressure.

Pressure is a force that is applied to an object over an area. It is measured in units of force per unit area, such as Pascals (Pa). Pressure can be applied in a number of ways, such as by squeezing, pushing, or compressing. It can also be caused by the weight of an object, or the force of gravity. Pressure can be used to do work, such as moving an object or creating heat.

This means that if we double the temperature, we will double the volume. Therefore, if the temperature of the gas sample is raised from 200 K to 600 K, the volume of the gas sample will increase from 6.00 L to 12.00 L.

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Answer:

xbvmyyyxxxsaqqqeerzdyxctzzvjmih

girl i need help with this toofrom the electrochem lab :(

funny how i found this

Answer:

D

Explanation:

there is no new substance formed

To find a proton number, we can use the Periodic Table of the Elements.

The Periodic Table of the Elements is a table that organizes all discovered chemical elements in rows and columns according to the increasing atomic number.

To find the numbers of protons using this periodic table, first, we have to find the element on the periodic table. Using the columns (group) or rows (period) can make the element easier to find on the table.

Second, find the element’s atomic number, which is located above the element symbol, in the upper left-hand corner of the square. This atomic number will tell us how many protons make up a single atom of that element. For example, Boron (B) has an atomic number of 5, consequently it has 5 protons.

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The AsF6- ion has an octahedral electron-domain shape. Sp3d2 orbitals are the hybrid orbitals that the As atom utilizes for bonding.

The octahedral geometry of AsF6-. All six fluorine atoms are sp3d2 hybrid orbitals with the central arsenic atom, and they all form 90° and 180° bond angles in an octahedral geometry. Arsenic(As), with atomic number 33, is the main atom in the AsF6-. Configuration of the formula As(33)=[Ar]3d104s24p3. As a result, As' valence shell contains five electrons. It can therefore create five single bonds with a fluorine atom and one more single bond with a fluorine atom as a result of one negative charge. Consequently, there are six bond pairings in total.

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Answer:

Earnings based on how much they sell

Explanation:

A sales presentation can be defined as series of talk given by a salesperson with the attempt to persuade someone or a potential customer to buy a particular product, by giving information it. Some salespersons resort to the use of dramatics so as to initiate and close the sale of a particular product by engaging in series of theatrical actions.

In sales and marketing, the term closing with respect to a sales can be defined as the process of making a business sale successful such as through the exchange of money for a particular product or goods.

For a salesperson to be able to close a sales, he or she require abilities such as courage, negotiation skills, listening ears and interpersonal skills to do so or achieve a successful sales. After a successful sales, they're entitled to a percentage of the amount made from selling a particular product or closing a deal based on what is stated in the contract. These amount of money earned with respect to each sales is generally referred to as commissions.

Commission can be defined as an amount of money earned based on how much a salesperson sell.

The gas will have a volume of 25.0 mL at a pressures of 60 kPa or a temperature of 200 K.

The average kinetic potential of the particle in a system is measured by temperature. Temperature is measured using thermometers, which measure the temperature of a system by taking a reading of the system's average kinetic energy. Temperature is measured in degrees, with higher temperatures indicating a higher average kinetic energy. Temperature can be affected by a variety of factors, including the amount of energy added to or removed from a system, the number of particles present in the system, and the type of particles present in the system.

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Capillary action involves the hydrogen bonding in water.

We have to note that when we are talking about capillary action, what we mean is the movement of water up the paper. We know that this movement of water would have a lot to do with the kind of intermolecular interaction that is going on.

Note that the water is composed of polar O-H bonds that can be able to interact with the -OH bonds that can be seen in the cellulose that is water and this accounts for the capillary action in water.

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corkscrew-shaped ridge

The screw’s applied force (output force) is always larger than the screw’s applied force (input force). As a result, a screw’s mechanical advantage is always larger than one.Screws are a type of basic machine. They have a thread, which is a corkscrew-shaped ridge wrapped around a cylinder. When driving in a screw, the head is particularly designed to allow a screwdriver or wrench to hold the screw.

Another sort of inclined plane is the screw. When an inclined plane wraps around a straight rod-like structure, a spirally grooved surface with a pointed end is generated. It serves to keep things together.

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Answer:

yung una po

Explanation:

kasi meron yan sa grade 6

Answer:

The Answer Is B The Sun,The Moon,And Earth Are In A Straight Line

Explanation:

Hope This Helps!

Answer

a. Single displacement

b. Decomposition

When classifying chemical reactions, consider how reactants change to form the products.

An equation for a chemical reaction has a left side and a right side. The arrow separates the left and right sides.

Each product or reactant can be one or more elements.

We can use letters* to represent products and reactants in a reaction.

Two reactants become one product.

One reactant becomes two products.

Start with two reactants, a compound and an element. To form the products, the element replaces one of the elements that was in the compound.

Start with two reactants that are compounds. To form the products, an element from each compound replaces each other.

Therefore, equation (a) is a single displacement reaction and equation (b) is a decomposition reaction.

*Each letter represents an element. Two elements make a compound. A letter can also represent a compound if compound stays together during the reaction.

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A total volume of 100 mL of solution is created by mixing 5g of NaCl with water. The NaCl solution has a molarity of 0.151515.

Weight of NaCl=5 gm.

No.of moles of NaCl = Weight/ Mole .Wt =5/58.5= 0.08547

Weight of water= 100 gm.

Number of water moles = Weigh/Mole Wt =100/18=5.55556

Mole. Fraction of NaCl

=No.of moles of NaCl/ No.of molesNaCl+H2O =0.08547/(0.08547+5.55556)

=0.08547/5.64103 =0.151515

The amount of moles of a solute in a litre of solution is known as its molarity. A capital M is used to represent molarity.

A solution in chemistry is a combination of two or more compounds in which neither ingredient undergoes a chemical transformation. For instance, salt water is a solution that contains both salt and water (the solvent) (the solute). The concentration of a material in a solution is its amount of dissolution. In other words, it refers to the number of ingredients that have been added to your drink. In molarity, concentration is often expressed.

A mole is a fundamental chemical unit. It is the mass of a substance (in grammes) that has the same number of atoms, molecules, or ions as 12 grammes (6.022 x 1023) of carbon-12.

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The molarity of 2. 50 m NaCl solution is 2.68 molal and 48. 2 percent by mass KBr solution is 7.82 m.

Molality = moles solute / kg solvent  

Assume we have 1000 ml of solution.

1000 ml ₓ 1.08 g/ml = 1080 g

Now find the mass of NaCl:

2.50 M NaCl = 2.50 mol/L and 2.50 mol/L x 1 L = 2.50 moles of NaCl

molar mass NaCl = 58.4 g/mol, therefore mass NaCl present = 2.50 mol ₓ 58.5 g/mol = 146 g NaCl

Now find the mass of H₂O:

grams H₂O present = 1080 g - 146 g = 934 g H2O = 0.0.934 kg

We now have moles NaCl and kg H₂O

Molality  = 2.50 mol / 0.934kg = 2.68 molal

48.2% by mass of KBr means 48.2 g KBr / 100 g solution

To find molality, we need moles of KBr and kg of H₂O.  We can easily find he moles of KBr from the mass and the molar mass.

If we have 100 g solution, 48.2 g is KBr so the rest is H₂O.

100 g - 48.2 g = 51.8 g H₂O and this is equal to 0.0518 kg H₂O

Moles KBr = 48.2 g KBr ₓ 1 mol KBr/119 g = 0.405 moles KBr

Molality = 0.405 moles KBr / 0.0518 kg H₂O = 7.82 m

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Answer:

solid

Explanation:

lithium is a solid so it would still be solid since it is at 100 degrees and has not yet gotten to 180 degrees which is when it melts

The amount of matter contained within an object is commonly referred to as mass. The most typical way to measure it is as inertial mass, which refers to an object's resistance to acceleration under the influence of a net force. 

Although the size of an object and its mass are frequently associated, larger objects do not always have more mass. For instance, an inflated balloon would have substantially less mass than a silver golf ball. Although there are numerous alternative units used to describe mass around the world, the kilogram is the accepted unit of mass according to the International System of Units (SI) (kg).

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I'm pretty sure it's B :)

Answer: C

Explanation:

Sodium does not form a stable ion with the same electronic configuration as neon.

Electronic configuration of an element describes that how the electrons are distributed in its atomic orbitals. Electronic configuration of an atoms follows a standard notation in which all electron-containing atomic subshells (with the number of electrons they hold written in superscript) are placed in a sequence.

Sodium (Na) ion has the same electronic configuration as that of neon. Both are the isoelectronic species with 10 electrons and the electronic configuration is 1s22s22p6.

Sodium has electronic configuration is 1s22s22p63s1. It loses one electron  to give Na+ ion with the electronic configuration of neon (Ne).

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Answer:

1) 0.98 atm

2) 74.58 cmHg

3) 14.47 lbs./in²

4) 745.8 torrs

Explanation:

We are given the atmospheric pressure as 745.8 mmHg

1) Converting mmHg to atmospheres(atm), we divide the pressure by 760.

P = 745.8/760

P = 0.98 atm

2) Converting mmHg to cmHg, we multiply the pressure by 0.1;

P = 745.8 × 0.1

P = 74.58 cmHg

3) Converting mmHg to lbs./in², we divide the pressure by 51.75;

P = 748.5/51.715

P = 14.47 lbs./in²

4) Converting mmHg to torrs, we multiply the pressure by 1;

P = 745.8 × 1

P = 745.8 torrs

As a result, option c is correct: H must be negative and S must be positive.

Energy is transmitted to or from the surroundings when a chemical reaction occurs. An exothermic reaction occurs when energy is transmitted to the surroundings, and the temperature of the surroundings rises. The term exothermic implies "heating up." As an exothermic process progresses, energy, frequently in the form of heat, is released. An exothermic reaction is one that is chemical in nature and is characterized by the release of energy in the form of heat or light. Matching a light with a matchstick is an example of this sort of reaction in which the release is both heat and light.

Here,

The spontaneity can be determined by the equation as:

ΔG=ΔH−TΔS

If the Gibbs free energy is negative, it gives a spontaneous reaction. Hence, the ΔH must be negative and ΔS must be positive.

If the Gibbs free energy is positive then it will be non-spontaneous. Hence, ΔS must be negative at very high temperature.

Therefore, option c is correct that is the ΔH must be negative and ΔS must be positive.

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Answer:

the last one

explanation is the white colour

PBr₃ and Carbon Tetraiodide is a covalent compound. Whereas, KBr and Iron (III) Oxide is an ionic compound.  

Covalent compounds and molecular compounds are those compound where two non-metals, or a non-metal are bonded to each other through the sharing pair of electrons.

PBr₃ are covalent because phosphorous is in the column 3 in periodic system and it has three valence electrons in its outer shell. Therefore, in case of Carbon Tetraiodide carbon and iodide both are non-metals that why they are covalent compounds.

KBr and Iron (III) Oxide both are Iron (III) Oxide because they are formed by the interaction between a metal and non-metal. They will transfer the electrons from positively to negatively charged atoms.

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The halogens gets less reactive as we move down the group because the atomic mass will increases and the number of the electrons are increases.

The halogens get less reactive as we move top to bottom in the group in the periodic table as the atomic mass of the group 17 elements that is halogens will increases and as we move from  from top to bottom in the periodic table the electrons are added and the number of electrons are increases.

This is reason , that the reactivity of the group 17 elements that is halogens will decreases as we move from top to bottom.

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Looking at the images that we have, we can see that there is a reaction in the images A and C.

We would need to settle in our minds what is implied when we talk about a chemical reaction. You have to know that if we are talking about a chemical reaction then we are talking about the kiondfs of reaction that would lead to the following observations;

1) There is a change in the temperature of the system

2) There is an effervescence of gas in the system

3) There is a change in color

4) There is the appearance of a solid in the system

We would now have to look at all the setups that we have here and we have to look at it in such a way that we could know if there is a reaction that is going on in any of them as shown.

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