Answers
Functional group can be interconverted into each their by the means of suitable reagent. Functional group are responsible for the chemical and physical properties of a compound. Therefore in the below given ways compound can bee classified.
What is functional group?A group of atoms forming a component of a molecule that accounts for a particular function or chemical behavior is called a functional group. There are so many functional group in organic chemistry.
first compound-------- secondary (2°)
second compound-------------- secondary (2°)
third compound-------------------- tertiary (3°)
fourth compound ----------------primary (1°)
fifth compound---------------primary (1°)
Therefore in the above given ways compound can bee classified.
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Related Questions
1.5 billion plastic bottles are bought world-wide each day. These bottles are about 9.8 inches in length (1 meter = 3.28 ft). If the Earth's diameter is about 40,000 km at the equator, how many times could you encircle the Earth with the bottles laid end to end?
Hint: Your DA table should have 5 conversion factors
Answers
The number of times 1.5 billion plastic bottles laid end to end could encircle the Earth would be 9.34 times.
Dimensional analysisSize of bottle = 9.8 inches
1 foot = 12 inches
Size of 9.8 inches bottles in foot = 0.8167 ft
Also, 3.28 ft = 1 meter
0.8167 ft = 0.8167x1/3.28
= 0.2490 meter
1000 meter = 1 km
0.2490 meter = 0.2490/1000
= 0.000249 km
Total number of bottles = 1.5 billion
Total length of 1.5 billion bottles laid end to end in kilometers = 1,500,000,000 x 0.000249 = 373,500 km
Number of times the bottle could encircle the earth = 373,500/40000
= 9.34 times
Thus, 1.5 billion plastic bottles would encircle the Earth about 9.34 times if laid end to end.
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Name two elements, compounds and mixtures that are essential for living organisms. Also write why are they essential?
Answers
elements:
calcium : for strong bones
Iron : maintaining haemoglobin for metabolism
compunds
sodium chloride : to maintain blood pressure and other life processes
Adenosine Triphosphate: for metabolism, to maintain rate of inhalation and exhalation of oxygen and to supply energy
Mixture:
I) gasoline : used as fuel
ii) cement : used in construction
Answer:
Elements-
Oxygen is essential for living organisms to survive. Carbon dioxide is essential for the survival, growth and reproduction of living things. Plants obtain carbon from the atmosphere in the form of carbon dioxide, which they need for photosynthesis. They convert inorganic carbon into organic carbon in the form of sugar and starch, which they add to their tissues.Compounds-
Water is essential for living organisms to stay hydrated.Carbohydrate and protein- These compound are used to form new cells and tissues and to repair.Mixtures-
Blood is very much important for the transportation of oxygen in living organisms.Blood plasma is an example of a homogeneous mixture. This is a colourless fluid that holds the blood cells in suspension. It makes up a little more than half of the volume of human blood.15 PTS PLEASE HELP QUICK
(not related to the question but please add me thx i want friends)
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Answers
A scientist did a test to compare two substances: substance Q and substance R. At room temperature, both substances are liquid. When the scientist transferred the same amount of energy out of both substances, only one substance changed phase while the other did not. Which substance changed phase, and how did it change?
Responses
a
Substance Q changed phase because the attraction of the molecules was able to overcome their slower movement. Its molecules now move in place.
Substance Q changed phase because the attraction of the molecules was able to overcome their slower movement. Its molecules now move in place.
b
Substance Q changed phase because the strong attraction between molecules made their movement slower. Its molecules now move in place.
Substance Q changed phase because the strong attraction between molecules made their movement slower. Its molecules now move in place.
c
Substance R changed phase because the weak attraction between molecules let them move faster. Its molecules now move around each other.
Substance R changed phase because the weak attraction between molecules let them move faster. Its molecules now move around each other.
d
Substance R changed phase because the attraction was able to overcome the slower molecules. Its molecules now move away from each other.
Substance R changed phase because the attraction was able to overcome the slower molecules. Its molecules now move away from each other.
Answers
Substance R changed phase because the weak attraction between molecules let them move faster. Option C
What is phase change?We know that a change of phase has to do with the movement of a material from a given state of matter to the other. Net us note that when there is a change of state, we are going to notice that the force of attraction in the molecule would also change.
Since we know that the substance that we have are liquid at room temperature, we know that the supply of some energy may cause to be bale to change its phase.
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Which of the following statements is/are incorrect regarding dilution of concentrated sulphuric acid?
Answers
Answer:
Option d) 3 only is the right answer
Which of the following factors affects the amount of heat absorbed by a substance? (5 points) a. Shape of the substance b. Melting point of the substance Selected: c. Boiling point of the substanceThis answer is incorrect. d. Specific heat capacity of the substance
Answers
Answer:
d. Specific heat capacity of the substance
The factors affects the amount of heat absorbed by a substance is the specific heat capacity of the substance. Therefore, option D is correct.
What is specific heat capacity?The specific heat capacity of a substance, also known as the mass heat capacity, is the heat capacity of a sample of the substance divided by the mass of the sample.
When heated with constant heat input, a substance's temperature curve will be flatter the higher its specific heat capacity.
The heat capacity per unit mass of a substance, often known as the specific heat capacity. Experiments demonstrate that three things affect the transmitted heat: (1) The change in temperature, (2) the system's mass, (3) the substance's kind and phase, and (4) the system's composition.
Thus, option D is correct.
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A solution containing 3.39 mM X (analyte) and 1.72 mM S (internal standard) gave peak areas of 3497 and 9997, respectively, in a chromatographic analysis. Then 1.00 mL of 8.47 mM S was added to 5.00 mL of unknown X, and the mixture was diluted to 10.0 mL. This solution gave peak areas of 5428 and 4431 for X and S, respectively.
a. Calculate the response factor for the analyte. (keep four significant figures)
b. Find the concentration (mM) of X in the original unknown
c. Find the concentration (mM) of X in the 10.0 mL of mixed solution.
Answers
Answer:
a. Response factor is 0.1775
b. 11.7mM of X in the original unknown
c. 5.85mM is the concentration of X in the diluted solution
Explanation:
a. The equation to find response factor is:
F = AreaX*[S] / AreaS*[X]
Where Area of X our sample and S the internal standard whereas [] represent the concentration of each one.
Replacing:
F = 3497*1.72mM / 9997*3.39mM
F = 0.1775
c. The concentration of S is:
8.47mM * 1.00mL / 10.0mL = 0.847mM
Replacing:
0.1775 = 5428*0.847mM / 4431*[X]
[X] = 5.85mM is the concentration of X in the diluted solution
b. The concentration of X in the original unknown is:
5.85mM * (10.0mL / 5.00mL) =
11.7mM of X in the original unknown
Explain the steps that were taken to get to the answer
Answers
(0.72)(50)=(M2)(120)
M2=0.3 mol/L
2. Same formula where
(0.0075)(V1)=(50)(0.0025)
V1=16.67 KMN04
But dilution needs water so last volume,V2 - the exist KMNO4 solution. Therefore
50-16.67=33.33 ml water
3. Find moles of KMnO4 using formula molarity (Molarity=number of moles/litre of solution)
Therefore, (0.0075=x/0.5)
Number of moles KMnO4,x= 3.75x10^-3moles
Molecular mass of KMnO4 is 158g/mol.
Mass of KMnO4 needed is (3.75x10^-3)(158)
=0.5925g/590mg(few decimals places inaccurate due to the difference in significant figures)
Volume of water need to add to reach amount of volume needed which is 500ml
Which of the following statements sounds correct to you?
a) There are different definitions of acids and bases
b) Vegetables are acidic
c) Vegetables are alkaline
Answers
A method called "acid-alkaline balance" affects your health. The pH determines the acidity or alkalinity of a substance and is measured at a 0 to 14 scale.
The more acidic the fluid is the lower the pH. The higher the pH the more the solution will be alkaline (or base). If a mixture is within the range neither acid nor alkaline it has a neutral pH of 7 since both acidic or basic are commonly vegetable products. Note that trend of food in the body is acidic or alkaline and has nothing to do with its actual pH.Therefore the final answer is "Option a".
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The picture shows a plant that lives in Florida.
This plant lives in other parts of the United States, too. It has a longer growing season in Florida than it does in northern areas of the country,
Which sentence best describes how Florida's warmer weather and longer growing season will affect this plant?
A. It will lose its leaves much sooner than northern plants.
B. It will produce fewer flowers than northern plants.
C. It will not be able to migrate like northern plants.
D. It will have a much shorter dormant period than northern plants.
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Answers
Answer:
I think its D. Sorry if I'm wrong
Explanation:
A molecule or ion that donates the hydrogen in a hydrogen bond is a hydrogen bond donor.
a. True
b. False
Answers
Answer: The statement 'a molecule or ion that donates the hydrogen in a hydrogen bond is a hydrogen bond donor' is true.
Explanation:
A molecule or ion that donates hydrogen in a hydrogen bond is called a hydrogen donor.
For example, [tex]NH_{3} + H_{2}O \rightarrow NH^{+}_{4} + OH^{-}[/tex]
Here, [tex]NH_{3}[/tex] is donating the hydrogen ion to water molecule. Whereas water is accepting the hydrogen ion so water is a hydrogen bond acceptor. Therefore, hydrogen bond is formed by [tex]NH_{3}[/tex].
Thus, we can conclude that the statement 'a molecule or ion that donates the hydrogen in a hydrogen bond is a hydrogen bond donor' is true.
In carbonated water, when carbon dioxide bubbles are
thoroughly mixed into the water, they become invisible. What
type of mixture is carbonated water?
a solution
b compound
C colloid
d suspension
Answers
Answer: IT’S SOLUTION!!
Explanation:
I’m taking ck-12
The carbonated water is a type of solution. The correct option is a.
What is a solution?A solution is a uniform mixture of one or more dissolved solutes in a solvent.
A solvent is a substance that dissolves a solute to produce a homogeneous mixture. The substance that dissolves in a solvent to form a homogeneous mixture is referred to as a solute.
Because carbonated water is a mixture, it contains two or more different chemicals. Carbonated water is made up of both water and carbon dioxide.
The amount of each ingredient in carbonated beverages is fixed. All of the components, such as sweetener, water, and carbon dioxide bubbles, are distributed evenly. Homogenous mixtures are those in which the amount of each component is uniform.
Thus, as in carbonated water, when carbon dioxide bubbles are thoroughly mixed into the water, they become invisible, it can be considered as solution, means option a is correct.
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What is the number of chloride ions (Cl-) in 250 mL of a 0.2M magnesium chloride solution?
a. 0.1 mol c. 0.62 mol
b. 0.16 mol d. 1.6 mol
Answers
According to molar concentration and mole concept, there are 0.1 mole of chloride ions in 250 mL of a 0.2 M magnesium chloride solution.
What is molar concentration?Molar concentration is defined as a measure by which concentration of chemical substances present in a solution are determined. It is defined in particular reference to solute concentration in a solution . Most commonly used unit for molar concentration is moles/liter.
In terms of moles, it's formula is given as molar concentration= number of moles /volume of solution in liters.
By substituting values in given formula, number of moles=0.2×0.250=0.05 moles .Now this values is subtracted from molar mass of magnesium chloride that is 95.211-0.05=95.161 moles which is finally divided by 95.211=0.999 which is approximately 0.10 mole.
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What is the concentration of a solution with a volume of 1 L that contain 200 grams of Fe(OH)3?
Brainliest will be given
Answers
Answer:
0.187M
Explanation:
An electromagnet can be made by wrapping wire around which object?
Answers
Answer: A wire the first answer gl on the quiz
A student placed four magnets of equal size and mass each the same distance from an electromagnet. She turned the electromagnet on and then quickly turned it off. The diagram below shows how far each magnet traveled toward the electromagnet when the circuit was closed.
four magnets near an electromagnet
What is the order of the magnets by strength from strongest to weakest?
magnet W
magnet X
magnet Y
magnet Z
You have to put them in order
Answers
Four magnets near an electromagnet What is the order of the magnets by strength from strongest to weakest. magnet W,magnet X,electromagnet,magnet Y,magnet Z.
What is electromagnet?
An electromagnet is a type of magnet in which the magnetic field is generated by an electric current. It usually consists of a coil of wire that is wrapped around a core of magnetic material such as iron or steel.
When an electric current passes through the wire, a magnetic field is created around the core, making it a magnet. Electromagnets are used in many different applications, such as motors, generators, and speakers.
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What are the units of the rate constant for each of the reactions in Table 12.2?
Rate Law
Rate = k [(CH₃ )₃ CBr]
Rate = k [Br₂]
Rate = K[ BrO₃⁻ ][Br⁻] [H⁺]²
Rate = k [ H₂][I₂]
Answers
The first reaction is a first order reaction and the unit of rate constant is s⁻¹. The second one is also a first order reaction with the same unit. Third one is a third order reaction with the unit for k as L² mol⁻² s⁻¹.
What is rate constant?Rate of a reaction is the rate of decrease in concentration of the reactants or increase in concentration of the products. The rate is directly proportional to the concentration of reactants and the rate law is written as:
rate = k [reactants]
where, the proportionality constant k is called the rate constant.
The order of a reaction is the sum of powers of the molar concentration of reactants. Thus, each reaction vary in order and the order of reaction also depends on the steps in the reaction.
The general formula of the unit of rate constant is L⁽ⁿ⁻¹⁾ mol⁽¹⁻ⁿ⁾ s⁻¹. Hence, first reaction is a first order reaction and the unit of rate constant is s⁻¹. The second one is also a first order reaction with the same unit.
Third one is a third order reaction with the unit for k as L² mol⁻² s⁻¹. The fourth one is a second order reaction. Thus, unit of rate constant is L mol⁻¹ s⁻¹.
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Atoms are bonded together in a different order in
a. organic compounds.
b. structural isomers.
c. geometric isomers.
d. three-dimensional models.
Answers
Answer:
answer.A
Explanation:
that is my answer
find out the, mass of 10^21 molecules of cu
Answers
Answer:
0.105 g
Explanation:
Since 1 Mole is 6.022 x 10^23 molecules. i.e 1.66 x 10^(-2) moles. = 0.105 Grams.
18-38 Name the following ketones and aldehydes. When possible, give both a common name and an IUPAC name.
(a) CH₃CO(CH₂) ₄CH₃
(b) CH₃(CH₂)₂CO(CH₂)₂CH₃
(c) CH₃(CH₂)CHO₅
(d) PhCOPh
(e) CH₃CH₂CH₂O
(f) CH₃COCH₃
(g) CH₃CH₂CHBrCH₂CH(CH₃)CHO
(h) Ph --- CH = CH ----CHO
(i) CH₃CH= CH---CH = CH --CHO
Answers
The IUPAC name of the following organic compounds are,a) hept-2-one b) hept-4-one c) heptanal d) diphenylmethanone e) propan-1-one f) acetone g) 3-bromo-1-hexanal h) 3-phenylprop-2-enal i) 2,4-hexdiene-1-al.
What is a compound?Compound is defined as a chemical substance made up of identical molecules containing atoms from more than one type of chemical element.
Molecule consisting atoms of only one element is not called compound.It is transformed into new substances during chemical reactions. There are four major types of compounds depending on chemical bonding present in them.
They have a unique chemical structure held together by chemical bonds Compounds have different properties as those of elements because when a compound is formed the properties of the substance are totally altered.
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A city along the coast of the Atlantic Ocean experiences a seasonal high of 76°F in the summer. The city experiences a seasonal low of 23°F in the winter.
Another city is 60 miles inland and at the same latitude and elevation. This city will probably experience _______ summer highs and _______ winter lows.
Answers
Answer:
Warmer and cooler
Explanation:
The city which is along the coast of the Atlantic Ocean may experience a seasonal high of 76°F in summer. The city also has a seasonal low of 23°F in the winter. Another city is 60 miles inland and at the same latitude and elevation, this means that the city has cool winter lows and a warmer supper high.Answer:
warmer and cooler i just did it on study island
Explanation:
A 2.5 L container is filled with propane. The ambient temperature is 25°C and the
pressure in the container is about 3 atmospheres. If the temperature in the car
reaches 55°C (about 130°F), what will be the pressure in the container?
(Please show work)
Answers
Answer:
here is the answerhope it helps.
Please Help Weak Acid Base Problems!!!
1. Calculate the pH of a 0.100 M NH3 solution Kb = 1.8 x 10^-5
Calculate the pH of a 0.100 M NH3 solution Kb = 1.8 x 10^-5
Initial:
Change:
at Equilibrium:
2. Calculate the Kb from species concentrations
Calculate the Kb for methylamine, CH3NH2, if the pOH of a 0.0100 M CH3NH2 solution is 7.66
Initial:
Change:
at Equilibrium:
3. Calculation of species concentrations from Kb
Calculate the pH of a 0.100 M C5H5N Kb == 1.3 x 10^-3
Initial:
Change:
at Equilibrium:
Answers
Answer:
The procedure for calculating the pH of a solution of a weak base is similar to that of the weak acid in the sample problem. However, the variable x will represent the concentration of the hydroxide ion. The pH is found by taking the negative logarithm to get the pOH, followed by subtracting from 14 to get the pH.
Explanation:
Charged Particles
Charge on Particle Number of Particles
Positive 3
Negative 2
A negatively charged substance is brought near the ion. What will most likely happen?
(A) The negatively charged ion will repel the substance.
(B) The negatively charged ion will attract the substance.
(C) The positively charged ion will repel the substance.
(D) The positively charged ion will attract the substance.
Answers
Answer:
D
Explanation:
cause overall charge is +1 so will attract
7
QUICK CHECK
Predicting Spontaneity
Identify each of these reactions as being spontaneous or nonspontaneous.
2C₂H₂(g)+50₂(g) → 4CO₂(g)+2H₂O(g)
AG-2,453.1 kJ
3H₂(g)+N₂(g) → 2NH₂(g)
CO₂(g) +2H₂O(g) → CH₂(g) +20₂(g)
DONE
AG=-33.3 kJ
AG=800.7 kJ
Answers
1. The reaction: 2C₂H₂(g) + 5O₂(g) → 4CO₂(g) + 2H₂O(g) ΔG = -2,453.1 KJ is spontaneous
2. The reaction: 3H₂(g) + N₂(g) → 2NH₂(g) ΔG = -33.3 KJ is spontaneous
3. The reaction: CO₂(g) + 2H₂O(g) → CH₂(g) + 2O₂(g) ΔG = 800.7 KJ is nonspontaneous
How do I determine which reaction is spontaneous or nonspontaneous?The Gibbs free energy is a core factor in determining whether a reaction is spontaneous or nonspontaneous. Gibbs free energy is given by the following formula:
ΔG = ΔH – TΔS
Where
ΔG is the Gibbs free energy ΔH is the enthalpy changeT is the temperature ΔS is the change in entropyNOTE
ΔG = Positive (non spontaneous) ΔG = Zero (equilibrium) ΔG = Negative (spontaneous)With the above information, we can determine which of the reaction is spontaneous and also the one which is nonspontaneous as shown below:
2C₂H₂(g) + 5O₂(g) → 4CO₂(g) + 2H₂O(g) ΔG = -2,453.1 KJ. The reaction is spontaneous since ΔG is negative3H₂(g) + N₂(g) → 2NH₂(g) ΔG = -33.3 KJ. The reaction is spontaneous since ΔG is negativeCO₂(g) + 2H₂O(g) → CH₂(g) + 2O₂(g) ΔG = 800.7 KJ. The reaction is nonspontaneous since ΔG is positiveLearn more about spontaneity of reaction:
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A sample of 4.0 L of nitrogen, at 1.2 atmospheres, is transferred to a 12 L container.
What will the pressure be in the new container?
(please show work)
Answers
Answer:
0.40 atm
Explanation:
P1V1 = P2V2
(1.2)(4.0) = P2(12)
P2 = 0.40 atm
In the combustion reaction CH4+2O2 yield CO2 + 2H2Owhich reactant has the greatest rate of disappearance?
Answers
Answer:
To consume the 2.8 moles of CH4 we need 5.6 moles of O2 since the molar ratio is 1:2. We have only 3 moles of O2 ; therefore, O2 is the limiting reactant.
Explanation:
The reaction that has the greatest rate of disappearance is to be considered as the oxygen.
The Reactant that has the greatest rate of disappearance:Since the chemical equation is
CH4(g) + 2 O2(g) ---------------- CO2(g) + 2H2O(g)
For consuming the 2.8 moles of CH4 we needed the 5.6 moles of oxygen as the molar ratio is 1:2
Also, As per stoichiometry, Oxygen disappears with twice the rate as compared to Methane.
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if a body travel 60m on a straight line in 20 seconds. Find its velocity.
Answers
Answer:
v = distance/time = 60m/20s = 3 m/s
What is the molecular weight of H2O
Answers
Answer:
18.015
Explanation:
Using the periodic table of the elements to find atomic weights, we find that hydrogen has an atomic weight of 1, and oxygen's is 16. In order to calculate the molecular weight of one water molecule, we add the contributions from each atom; that is, 2(1) + 1(16) = 18 grams/mole.
How many bromine are in 6NaBr?