A flask with a volume of 1.50 L, provided with a stop-cock, contains ethane gas (C₂H6) at 300 K and atmospheric pres-sure (1.013 × 105 Pa). The molar mass of ethane is 30.1 g/mol. The system is warmed to a temperature of 550 K, with the stopcock open to the atmosphere. The stopcock is then closed, and the flask is cooled to its original temperature. (a) What is the final pressure of the ethane in the flask?
A flask with a volume of 1.50 L, provided with a stop-cock, contains ethane gas (C₂H6) at 300 K and atmospheric pres-sure (1.013 × 105 Pa). The molar mass of ethane is 30.1 g/mol. The system is warmed to a temperature of 550 K, with the stopcock open to the atmosphere. The stopcock is then closed, and the flask is cooled to its original temperature. (a) What is the final pressure of the ethane in the flask?
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Transcribed Image Text:A flask with a volume of 1.50 L, provided with a stop-cock, contains ethane gas
(C₂H6) at 300 K and atmospheric pres-sure (1.013 × 105 Pa). The molar mass of
ethane is 30.1 g/mol. The system is warmed to a temperature of 550 K, with the
stopcock open to the atmosphere. The stopcock is then closed, and the flask is
cooled to its original temperature. (a) What is the final pressure of the ethane in
the flask?
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