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2 December, 22:41

What kind of thermochemical equation is represented below?

CaO (s) + H2O (l) - > Ca (OH) 2 (s) + 65.2 kj

A. Endothermic

B. Exothermic

C. Neutralization

D. Single replacement reaction

+4
Answers (1)
  1. 2 December, 23:47
    0
    The kind of thermochemical equation represented below

    that is

    CaO (s) + H2O (l) = Ca (OH) 2 (s) + 65.2 kj

    is exothermic (answer B)

    This is because its heat energy has a + sign meaning that heat is released by the reaction above.
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