The volume of a gas is 0.400 L when the pressure is 2.00 atm. At the same temperature, what is the pressure at which the volume of the gas is 2.0 L?

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Answer 1 · 2017-05-05T08:30:12

0.4 atm

In this question , the gas is kept under the same temperature. Assuming the amount of gas is constant we can apply Boyles' law.

As per the Boyle' law equation;

#P_1# # V_1# = #P_2# # V_2#

2 atm x 0.400 L = #P_2# x 2.0 L

0.800 atm L = 2 #P_2# L

dividing both the sides by 2 we get,

0.400 atm = #P_2#