Question 1: What is the heat transfer in KJ, between the container and the surroundings as the helium gas cools from 151.5ºC to 100ºC? Subject 1: There is 7.752 moles of helium gas (He) at 151.5ºC in a sealed container. The helium gas is gradually cooled to 59.52ºC, undergoing compression in the process.

Question 1: What is the heat transfer in KJ, between the container and the surroundings as the helium gas cools from 151.5ºC to 100ºC? Subject 1: There is 7.752 moles of helium gas (He) at 151.5ºC in a sealed container. The helium gas is gradually cooled to 59.52ºC, undergoing compression in the process.

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Question

Question 1: What is the heat transfer in KJ, between the container and the surroundings as the helium gas cools from 151.5ºC to 100ºC?

Subject 1: There is 7.752 moles of helium gas (He) at 151.5ºC in a sealed container. The helium gas is gradually cooled to 59.52ºC, undergoing compression in the process.

Subject 2: The molar heat capacity of aluminum is 24.3 J/mol·K. The molar heat capacity of helium gas is 12.7 J/mol·K. The enthalpy of fusion of aluminum is 10.5 kJ/mol.

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