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A vessel containing 45.0 cm3 of helium gas at 25C and 106 kPa was inverted and placed in cold ethanol.
A vessel containing 45.0 cm3 of helium gas at 25°C and 106 kPa was inverted and placed in cold ethanol. As the gas contracted, ethanol was forced into the vessel to maintain the same pressure of helium. If this required 16.2 cm3 of ethanol, what was the final temperature of the helium?