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Classify the following as reversible or irreversible changes a) ripening of mango b) evaporation of water c) melting of ice candy d) curdling of milk
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On your wedding day your lover gives you a gold ring of mass 3.67 g. 48 years later its mass is 3.44 g. on the average how many atoms were abrated from the ring during each second of your marriage? the atomic mass of gold is 197 u. don't enter units
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How much energy is supplied to each coulomb of charge that flows through a 12-v battery?
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What efficiency of a car's engine when heat input is 200,000 joules and waste heat is 150,000 joules? a. 75% b. 35% c. 25% d. 85%
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Hurry! how much heat is absorbed by a 72g iron skillet when its temperature rises from 11°c to 23°c?
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Classify the following as reversible or irreversible changes a) ripening of mango b) evaporation of...
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