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3. Which of the following conditions would likely cause the activation energy to be high?
A.atoms are close together
B.the temperature is hot
C.atoms are not close together *
D.a catalyst is present

4. Which of the following materials will burn the fastest in open air?
A.a log, two feet in diameter
B.two logs, each one foot in diameter
C.a pile of small splinters made from a two-foot diameter log *
D.Both logs and the splinters will burn at the same rate

3.B or C...not sure
4.A I think...please help

  • Science - ,

    Sorry I meant to put C for 4 not A

  • Science - ,

    I think C for 3.
    I agree with C for 4.
    For 3, A, B, and D will make the reaction easier; therefore, any activation enegry needed would be low.

  • Science - ,

    Thank you...

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