A cylinder with a piston holds 4.50 moles of a diatomic gas. The gas in the cylinder absorbs 975 J of energy due to the higher temperature of the environment. At the same time, the cylinder expands to a larger volume, doing 112 J of work on the environment.   (a) What is the change in internal energy of the gas in the cylinder (in J)?   (b) What is the change in temperature of the gas (in K)?

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