Itions. A rigid, 2.50 L bottle contains 0.458 mol He. The pressure of the gas inside the bottle is 1.83 atm. If 0.713
mol Ar is added to the bottle and the pressure increases to 2.05 atm, what is the change in temperature of
the gas mixture? Use the correct number of significant digits.
The initial temperature of the gas is 122 K.
COMPLETE
The final temperature of the gas is
K.
The temperature change is

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