Explanation:
Activation energy and reaction rate
The activation energy of a chemical reaction is closely related to its rate. Specifically, the higher the activation energy, the slower the chemical reaction will be. ... The released energy helps other fuel molecules get over the energy barrier as well, leading to a chain reaction.
Impermeable is a substance that is water proofed e.g glass, aluminium e.t.c <span />
Answer:
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Answer:
The answer is: B. -487 ..............
