lll An 900-g iron block is heated to 370 degree C and placed in an insulated con
ID: 2272833 • Letter: L
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lll
An 900-g iron block is heated to 370 degree C and placed in an insulated container (of negligible heat capacity) containing 36.0g of water at 23.0 degree C. What is the equilibrium temperature of this system? The average specific heat of iron over this temperature range is 560 J/(kg middot K). A cylinder contains 0.250 mol of carbon dioxide (CO2) gas at a temperature of 27.0 degree C. The cylinder is provided with a frictionless piston, which maintains a constant pressure of 1.00 atm on the gas. The gas is heated until its temperature increases to 127.0 degree C. Assume that the CO2 may be treated as an ideal gas. How much work W is done by the gas in this process? Express your answer in joules. What is the change in internal energy Delta U of the gas? Express your answer in joules. How much heat Q was supplied to the gas? Express your answer in joules.Explanation / Answer
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