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How many kilojoules are required to heat 0.500 g of water from 20.3 degrees celcius to 29.7 degrees celcius ? how many calories? show your work and watch sig figs.
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Which conclusion fits the data in the table? a. heat chemically changes chocolate and margarine. b. all solids become liquid at 100°f. c. removing heat from a substance it to melt. d. matter may change shape when it is heated.
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How many kilojoules are required to heat 0.500 g of water from 20.3 degrees celcius to 29.7 degrees...
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