22 The compounds CH3OCH3 and CH3CH2OH have different functional groups. Therefore, these compounds have different(1) chemical properties
(2) gram-formula masses
(3) percent compositions by mass
(4) numbers of atoms per molecule

Answers

Answer 1
Answer:

Answer:

(1) chemical properties

Explanation:

CH3OCH3 is dimethyl ether while CH3CH2OH is ethanol.

Both compounds have the same molecular formula i.e. C2H6O but different structural formula, therefore they are structural isomers. Since they have different functional groups i.e. ether (-OR) and alcohol (-OH), they will have different chemical properties.

The gram formula mass for both compounds is the same i.e. 46 g/mol. Based on their chemical formula, both will have the same percent compositions by mass as well as the same number of atoms per molecule.

Answer 2
Answer: (1) chemical properties is the correct answer.
These two compounds are also called isomers.
Hope this helps~

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Hey! If someone could help me out I would really appreciate it even if it was just one answer. I'm really stuck on 3. Its second year of chem!

Answers

Answer:

I would go for number 5 . It sounds more logical to me.

Convert 8.5 x 10-3 mm to micrometers

Answers

Explanation:

1mm = 10^-3 micrometre

8.5 x 10^-3 mm = 8.5 x 10^-6 micrometre

The 3 in 4p3 represents:a. third energy level
b. the number of electrons
c. period 3
d. the third sub level e. Li

Answers

Answer: b. the number of electrons

Explanation: 4p^3

1. 4 is the principal quantum number which describes the size of the orbital. It is represented by n.

2. The electrons are present in p sub shell also called as azimuthal quantum Number:This quantum number describes the shape of the orbital. It is represented as 'l'. The value of l ranges from 0 to (n-1). For p orbital, l=1.

3. The p subshell contains 3 electrons.


b) the number of electrons

Mixture of sediments deposited by a glacier

Answers

Answer:

Till

Explanation:

Till is unsorted glacial sediment showing no stratfaction.

Answer: Glacier Deposition

Explanation:

Which of the following is not found in the nucleus of an atom? A. Neutron
B. Electron
C. Proton
D. Quark

Answers

Electron -  In an atom, the central part which is composed of neutrons and protons including quarks is called the nucleus. Whereas the electron is the particle with negative elementary electric charge can be found inside the atom surrounding the nucleus. 

Answer: electrons

Explanation:

because it is

Container A contains 10.0 g of liquid isopropyl alcohol which has a latent heat of vaporization of 732 J/g. Container B contains 10.0 g of liquid ethanol which has a latent heat of vaporization of 841 J/g. Both containers are brought to their respective freezing points. Heat is then removed from both containers at the same rate. The container whose contents will freeze first is:

Answers

By definition, the latent heat associated with melting a solid or freezing a liquid is called the heat of fusion.

Container A has a latent heat of vaporization of 732 J/g.
Container B has a 
latent heat of vaporization of 841 J/g.

Latent heat of vaporization refers to the
 vaporizing a liquid or a solid or condensing a vapour.

This means that Container A boils first because it has lower latent heat of vaporization. 

As you heat a solid, turning it into a gas, the kinetic energy of the molecules are increased to a point where there are no forces of attraction between the molecules. Thus, Container B will freeze faster than Container A