A container has a volume of #1 L# and holds #8 mol# of gas. If the container is expanded such that its new volume is #4 L#, how many moles of gas must be injected into the container to maintain a constant temperature and pressure?

Answer 1

The number of moles to be injected is #=24mol#

The Ideal Gas Law is

#PV=nRT#
#V/n=RT/P#
#V/n=k#
Where #k=#constant
#V_1/n_1=V_2/n_2#
#V_1=1L#
#n_1=8mol#
#V_2=4L#
#n_2=V_2/V_1*n_1#
#=4/1*8=32mol#
We must inject #32-8=24mol#
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Answer 2

To maintain constant temperature and pressure, 32 moles of gas must be injected into the container.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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