Asked Feb 22, 2020

A fixed quantity of gas at 21 °C exhibits a pressure of 752
torr and occupies a volume of 5.12 L. (a) Calculate the volume
the gas will occupy if the pressure is increased to 1.88 atm while the temperature is held constant. (b) Calculate the
volume the gas will occupy if the temperature is increased to
175 °C while the pressure is held constant.


Expert Answer

Step 1

(a) In this part, both the volume and pressure are variable but temperature is held constant. So Boyle’s law has to be used in order to solve this. The mathematical form of Boyle’s law is given below.

Chemistry homework question answer, step 1, image 1

Step 2

By substituting the given data in the above expression, the value of asked volume can be calculated.

Chemistry homework question answer, step 2, image 1

Therefore, the volume the gas will occupy is 2.69 L.


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