The constant volume Molar heat capacity of ethane, C2H6(g) is 44.3 J/mol-K. When 9.0 kJ of...
The constant volume Molar heat capacity of ethane, C2H6(g) is 44.3 J/mol-K. When 9.0 kJ of heat is removed at constant volume from 90 grams of ethane, the final temperature is 53oC. What was the approximate initial temperature of the C2H6 before the heat is removed.
The correct answer is +120oC. Please show work and explain
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The constant volume Molar heat capacity of ethane, C2H6(g) is
44.3 J/mol-K. When 9.0 kJ of...
The constant pressure molar heat capacity of argon is 20.79 J K-1 mol-1 at 298 K....
The constant pressure molar heat capacity of argon is 20.79 J K-1 mol-1 at 298 K. Predict the value of the constant volume molar heat capacity of argon at this temperature.
4. A flask with a volume of 2.20 L, provided with a stopcock, contains ethane gas (C2H6) at a temperature of 310 K and atmospheric pressure 1.013x10 Pa. The molar mass of ethane is 30.1 g/mol. The sy...
4. A flask with a volume of 2.20 L, provided with a stopcock, contains ethane gas (C2H6) at a temperature of 310 K and atmospheric pressure 1.013x10 Pa. The molar mass of ethane is 30.1 g/mol. The system is warmed to a temperature of 375 K, with the stopcock open to the atmosphere. The stopcock is then closed, and the flask cooled to its original temperature. A) What is the final pressure of the ethane in the flask? B) Find...
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4. A flask with a volume of 2.20 L, provided with a stopcock, contains ethane gas (C2H6) at a temperature of 310 K and atmospheric pressure 1.013x10 Pa. The molar mass of ethane is 30.1 g/mol. The system is warmed to a temperature of 375 K, with the stopcock open to the atmosphere. The stopcock is then closed, and the flask cooled to its original temperature. A) What is the final pressure of the ethane in the flask? B) Find...
1. Acetone has a heat capacity at constant volume of 61.50 J/mol K at 310 K when it is in the gas phase. Consider the system where 1.500 moles of acetone is placed in an adiabatic chamber at 330.04 K. It is allowed to expand such that during the expansion the temperature drops to 288.05 K. Calculate the work done and the change in internal energy for the system. Assume the heat capacity is constant over this temperature range. (ANS:...
The molar heat capacity of an unknown gas at constant volume depends on its temperature as: Cv,m = 12.8 kJ moll.K1 +0.0091 kJ molK2xT What is the change in internal energy of 1 mol of this gas as its temperature increases from 278 K to 357 K? (The sign matters!)
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