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puteri [66]
3 years ago
5

Substances like neon , which is a gas at room temperature and pressure, can often be liquified or solidified only at very low te

mperatures. At a pressure of , does not condense to a liquid until and does not freeze until . What are the equivalent absolute temperatures?
Chemistry
1 answer:
marshall27 [118]3 years ago
8 0

Answer:

Condenses at 27.25K.

Freezes at 24.65K.

Explanation:

In order to solve this above question, there is is need to make use of the following equation. The main idea here is to convert degree celsius to Kelvin. Hence,

0°C + 273.15 = 273.15K---------------------(1).

Therefore, we will make use of the above equation (1) and slot in the values for at degree celsius at which it condenses and at degree celsius at which it freezes.

So, we have at temperature at which it condenses:

-245.9°C + 273.15 = 27.25K.

Also, we have at temperature at which it freezes.

-248.5°C + 273.15 = 24.65K.

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Explanation:

hope this helps!

8 0
3 years ago
Which too factors determine whether a collision between two reactant molecules will result in a reaction? select all that apply.
stepan [7]

Answer:

The particles must be in the correct orientation upon impact.

The particles must collide with enough energy to meet the activation energy of the reaction.

Explanation:

This a problem related to chemical kinetics. The collision theory is one of the theories of reaction rates and it perfectly explains how the effectiveness of colliding molecules dictates the pace of a reaction.

For reactions to occur, there must be collisions between reacting particles. It implies that the collision per unit time and how successful collisions are determines the rate of chemical reactions in most cases. Therefore, for a collision to be successful, colliding particle must have enough energy  which is greater than the activation energy of the reaction. In order to also produce the desired products, the colliding particles must be properly oriented.

8 0
3 years ago
An atom has a mass number of 52. if there are 27 neutrons in the atom, then the atom must be:
faltersainse [42]
Mass number- number of neutrons= number of protons.
52-27=25 protons.
Number of protons = atomic number =25
It is Mn (manganese).
4 0
3 years ago
The compound dinitrogen trioxide would have<br> the chemical formula?
Lelechka [254]

Answer:

The answer is N203 Dinitrogen trioxide.

3 0
3 years ago
Describe the kinds of potential energy that are stored by a car driving on a hill.
Ilia_Sergeevich [38]

Answer:

The internal combustion engine in the car converts the potential chemical energy in gasoline and oxygen into thermal energy which is transformed into the mechanical energy that accelerates the vehicle (increasing its kinetic energy) by causing the pressure and performing the work on the pistons.

Explanation:

7 0
3 years ago
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