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sergij07 [2.7K]
3 years ago
9

A volume of 10.0L of gas at a temperature of 5c is cooled to a temperature of 85C at constant pressure what is the new volume of

gas

Chemistry
2 answers:
aniked [119]3 years ago
6 0

Answer:

At constant pressure the new volume of gas is 12.878 L.

Explanation:

Charles's Law consists of the relationship between the volume and temperature of a certain amount of ideal gas, which is maintained at a constant pressure, by means of a proportionality constant that is applied directly. So the ratio between volume and temperature will always have the same value:

\frac{V}{T} =k

where the temperature is expressed in degrees kelvin (° K)

Then, when considering the two situations 1 and 2, keeping the amount of gas and the temperature constant, the relationship must be met:

\frac{V1}{T1} =\frac{V2}{T2}

In this case, you know:

  • V1= 10 L
  • T1= 5 +273 = 278°K (where 0°C=273°K)
  • V2= ?
  • T2= 85 + 273 = 358°K

Replacing:

\frac{10}{278} =\frac{V2}{358}

Solving:

V2=\frac{10}{278} *358

V2=12.878 L

<u><em>At constant pressure the new volume of gas is 12.878 L.</em></u>

Lubov Fominskaja [6]3 years ago
4 0

I don't know how 5°C cooled to 85°C but the answer would be 12.878L

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