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Alisiya [41]
3 years ago
8

10. What effect does temperature have on molecular motion? Using this explanation, explain why both pressure and volume can decr

ease with decreasing temperature.
Chemistry
1 answer:
vovangra [49]3 years ago
5 0

Answer:

If the temperature increases the molecular movement as well, and if it increases the same it will happen with the molecular movement.

Pressure, volume and temperature are three factors that are closely related since they increase the temperature, the pressure usually decreases due to the dispersion of the molecules that can be generated, so the volume also increases.

If the temperature drops, the material becomes denser, its molecules do not collide with each other, their volume and pressure increases.

Explanation:

The pressure is related to the molecular density and the movement that these molecules have.

The movement is regulated by temperature, since if it increases, the friction and collision of the molecules also.

On the other hand, the higher the volume, the less pressure there will be on the molecules, since they are more dispersed among themselves.

(in the opposite case that the volume decreases, the pressure increases)

You might be interested in
The pressure of a compressed gas is 1.45 atm. What is this<br> pressure in kPa?<br> kPa
klemol [59]

Answer:

146.885 kPa

Explanation:

1 atm= 101.3 kPa =1.013 barr= 760 torr = 760 mmHg= 14.7 psi

So to convert atm to kpa we would multiply 1.45 by 101.3 which gives us 146.885.

1.45atm×\frac{101.3 kPa}{1 atm}=146.885 kPa

6 0
3 years ago
Here is the whole question
Aleks04 [339]
Saturated oils are oils where every carbon is sp3 hybridized and attached to two other carbons and two hydrogen. An unsaturated oil features a pi bond and a sigma bond between one or more carbons. This sigma bond interacts with Br2 by way of an addition reaction, the double bond is broken and two bromine are added to the carbon chain. The resulting structure is colorless so in a way the oil absorbs the colored Br2 into a colorless molecule. So, the more Saturated an oil is, the more Br2 it can accept and that's why Br2 can be used to detect the presence of satiated oils. While adding Br2, the solution will stay colorless as long as there are double bonds to accept it.

Hope this makes sense, if you've talked about reaction mechanisms this should be pretty straightforward.
6 0
3 years ago
You are balancing an ionic compound. Let's call it: AB.
rewona [7]

Answer:- A_3B_2

Explanations:- It is given that the charge for A is +2 and the charge for B is -3. The over all compound is neutral means the over all charge is zero. For making the over all charge zero, we need 3 positive ions and 2 negative ions. This makes a +6 charge for A and -6 charge for B and the over all charge is zero.

Also, if we think about the criss cross then charge of A becomes the subscript of B and the charge of B becomes the subscript of A.

So, the formula of the ionic compound is A_3B_2 . In this compound the ratio of A to B is 3:2.

The balanced equation could be shown as:

3A+2B\rightarrow A_3B_2



8 0
3 years ago
How many total valence electrons are available for the Lewis Dot structure of H2S?
Anettt [7]

Answer:

8 Valence Electrons

Explanation:

  • There are 2 atoms of Hydrogen and 1 atom of Sulfur in the compound.
  • Each Hydrogen atom has 1 electron (which is the valence electron).
  • Sulfur has six valence electrons.
  • Therefore, there is a total of eight valence electrons in H2S.
7 0
2 years ago
10. Which best explains why the total mass of the product(s) would be less than the total weight of the
Olegator [25]

Answer:

D. Gases were released to the atmosphere

Explanation:

In accordance to the law of conservation of mass, the total amount of reactants must equate the total amount of products at the end of the reaction because matter can not be lost or created. However, certain changes like gas evolution, formation of precipitate etc. indicates the occurrence of a chemical reaction.

In a chemical reaction, the total mass of the product(s) would be less than the total weight of the reactant(s) because GASES, which constituted part of the mass of the reaction, WERE RELEASED INTO THE ATMOSPHERE. However, if the mass of the gas released can be accounted for, the amount of reactants and products must balance.

4 0
3 years ago
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