All of the statements are true for spontaneous reactions except: a) the reaction rate is determined by the value of δg. b) if the enthalpy change is unfavorable, they occur at a high temperature. c) the value of δg is unaffected by a catalyst. d) the value of δg is less than zero. e)they are said to be exergonic.

A is false

Explanation:

A is false.

● activation energy affects the rate of a reaction and catalyst affects the rate of reaction too

ΔG (change in free energy) tells if a reaction is spontaneous or not

some think that theories become laws, but theories and laws have separate and distinct roles in the scientific method. a law is a description of an observed phenomenon in the natural world that hold true every time it is tested. it doesn't explain why something is true; it just states that it is true.

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