chemistry

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If 3 moles of a compound use 12 J of energy in a reaction, what is the Hreaction in kJ/mol?


A. -4 kJ/mol
B. -0.004 kJ/mol
C. 0.004 kJ/mol
D. 4 kJ/mol

  • chemistry -

    12J/3mol = 4J/mol and divide by 1000 to convert to kJ.

  • chemistry -

    b!

  • chemistry -

    whats the answer?

  • chemistry -

    B

  • chemistry -

    **GUYS, B IS NOT THE CORRECT ANSWER!!!**

    The answer that is correct:
    ----------------------------------
    | C. 0.004. |
    ----------------------------------

    trust me.

  • chemistry -

    Its C, 0.004

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