Chemistry, 18.04.2020 20:46 sanchezr7187

Which of these statements is true?
(a)All spontaneous reactions have a negative enthalpy change
(b)All spontaneous reactions have a positive entropy change
(c)All spontaneous reactions have a positive free-energy change
(d)All spontaneous reactions have a negative free-energy change
(e)All spontaneous reactions have a negative entropy change

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