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ARE THESE CORRECT ??????????????????????PLEASE WHICH ONES ARE RIGHT
PART B THINKING

ARE THESE CORRECT ??????????????????????PLEASE WHICH ONES ARE RIGHT PART B THINKING-example-1

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First and last option is correct. The one that isn't is the middle one, as all occurring reactions require activation energy. Thus the only thing that needs to happen to make your answers correct is to select the 4th option.
User Hugmeir
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