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Which of the following statements is false? It takes twice as much energy to melt 2g of ice as 1g of ice A reaction with

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Which of the following statements is false? It takes twice as much energy to melt 2g of ice as 1g of ice A reaction with two exothermic steps is endothermic overall The enthalpy change of vaporization is always positive A balloon expanding does work on its surroundings

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