What term is used to denote the energy required to start a chemical reaction?
A) The start-up energy
B) The activation energy
C) The threshold energy
D) The combustion energy
Correct Answer:
Verified
Q49: Vaporization of a liquid fuel to a
Q50: What do all exothermic reactions produce?
A)Heat
B)Light
C)Smoke
D)Fumes
Q51: In an exothermic reaction energy diagram, what
Q52: Endothermic processes always give off heat at
Q53: How does a flashover spread?
A)Across the ceiling
Q55: What occurs in a chemical reaction when
Q56: When a chemical cold pack is used
Q57: All exothermic reactions have a final energy
Q58: A material can reach a heat at
Q59: What physical change occurs at the melting
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