The gas inside of a container exerts #7 Pa# of pressure and is at a temperature of #120 ^o K#. If the pressure in the container changes to #49 Pa# with no change in the container's volume, what is the new temperature of the gas?

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Answer 1 · 2016-11-16T10:56:38

840K

Considering the gas shows ideal behaviour

In your case volume and number of moles is constant.
R = universal gas constant.

#:.# #P_1/P_2 = T_1/T_2#

#7/49 = 120/T_2#

#:. T_2 = 840K#