Calculate the mass percent and the mole fraction of alcohol
An alcohol solution contains 50.0 g of1-propanol (C3H7OH) and 155.0 g of ethanol (C2H5OH).Calculate the mass percent and the mole fraction of each alcohol.
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Let us consider the heat engine which receives a heat transfer rate of 1 MW at a high temperature of 823 K. How much energy is discarded to the ambient surroundings?
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A box rests on the floor of an elevator. Because of static friction, a force is required to start the box sliding across the floor when the elevator is (a) stationary,(b) accelerating upward, and (c) accelerating downward. Rank the forces required
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