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1) Explain what is meant by the terms "isothermal expansion" and "adiabatic expansion". In each case derive an expression for the work done in expanding an ideal gas. Derive an expression for the change in temperature which occurs during adiabatic expansion.
2) Calculate the work done on a closed system containing 50 g of argon gas when it expands reversibly from a volume of 5 L to a volume of 10 L at a constant temperature of 298.15 K. Relative atomic mass of argon = 39.948
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Compute the number of electrons in a small, electrically neutral silver pin that has a mass of 9.0g. silver has 47 electrons per atom, and its molar mass is 107.87 g/mol.
A spring is hanging from the ceiling. Attaching a 480 g mass to the spring causes it to stretch 21.0 cm in order to come to equilibrium. a. What is the spring constant? b. From equilibrium, the mass is pulled down 10 cm and released.
A mass spectrometer applies a voltage of 2.00 kV to accelerate a singly charged positive ion. What is the mass of the ion
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q1. a woman is riding a boat at the speed of v when she notices a seawall straight ahead. the farthest she can lean the
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A mountain climber gains 897 m in elevation on a particular hike. Consider the climber's body as a heat engine, how much heat does the food supply
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