... temperature of the water . Convert your final answer to kJ . 10. Calculate the heat of combustion for candle wax in kJ / mol . The heat of combustion of candle wax equals the sum of the heats of formation of the products minus the sum of ...
... density of zinc is less than that of copper , the newer pennies are lighter than the older ones . Obtain a set of ... 1982. Pre - 1982 pennies are heavier than post - 1982 pennies . Copper is more dense than zinc . = b . Calculate the average ...
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