A 15.0 L tank is filled with helium to a pressure of 2.00 * 102 atm. How many balloons (each 2.00 L) can be inflated to a pressure of 1.00 atm, assuming that the temperature remains constant and that the tank cannot be emptied below 1.00 atm?

1493 balloons.

Explanation:

Hello,

In this case, we first compute the total moles by temperature by using the ideal gas equation as shown below:

Moreover, since the tank cannot be emptied, we compute the moles that are not transferred:

Now, we compute the moles that are actually transferred:

Next, since each balloon is filled up to 1.00 atm within a volume of 2.00 L, the moles per balloon are:

Then, the number of balloons are:

Which is more accurately 1493 balloons.

Regards.

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