11.4 If 42.0 kJ of heat is added to a 32.0-g sample of liquid meth- ane under 1 atm of pressure at a temperature of -170°C, what are the final state and temperature of the methane once the system equilibrates? Assume no heat is lost to the surroundings. The normal boiling point of methane is -161.5 °C. The specific heats of liquid and gaseous meth- ane are 3.48 and 2.22 J/g-K, respectively. [Section 11.4 P= 1.00 atm 00% 42.0 kJ (o 32.0 g CH4 AHvap 8.20 kJ/mol T = -170 °C

Question
11.4 If 42.0 kJ of heat is added to a 32.0-g sample of liquid meth-
ane under 1 atm of pressure at a temperature of -170°C,
what are the final state and temperature of the methane
once the system equilibrates? Assume no heat is lost to
the surroundings. The normal boiling point of methane is
-161.5 °C. The specific heats of liquid and gaseous meth-
ane are 3.48 and 2.22 J/g-K, respectively. [Section 11.4
P= 1.00 atm
00%
42.0 kJ
(o
32.0 g CH4
AHvap 8.20 kJ/mol
T = -170 °C
Expand
Transcribed Image Text

11.4 If 42.0 kJ of heat is added to a 32.0-g sample of liquid meth- ane under 1 atm of pressure at a temperature of -170°C, what are the final state and temperature of the methane once the system equilibrates? Assume no heat is lost to the surroundings. The normal boiling point of methane is -161.5 °C. The specific heats of liquid and gaseous meth- ane are 3.48 and 2.22 J/g-K, respectively. [Section 11.4 P= 1.00 atm 00% 42.0 kJ (o 32.0 g CH4 AHvap 8.20 kJ/mol T = -170 °C

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