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What is the energy input for a device that provides 20 units of useful energy and has an efficiency of 0.25?
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1) this is the structure in the cell nucleus that houses a cell's genetic information
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What is the mass of each element in a 324.8 sample of co2
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The identities of substances are the same before and after which type of change
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Suppose that some of the compound spilled out of the crucible after it was heated. would that cause the percent by mass of water in the compound determined by the experiment to be too low, too high, or unchanged? briefly explain your answer.
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What is the energy input for a device that provides 20 units of useful energy and has an efficiency...
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