Which of the following statements is true for an exothermic reaction?
the products hav...
Which of the following statements is true for an exothermic reaction?
the products have higher potential energy than the reactants, and the enthalpy change is negative.
the products have higher potential energy than the reactants, and the enthalpy change is positive.
the products have lower potential energy than the reactants, and the enthalpy change is negative.
the products have lower potential energy than the reactants, and the enthalpy change is positive.
Answers: 2
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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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