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anias

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**I Have A Question about FUSION! Please Help!**

I Have A Question about FUSION! Please Help!

the reaction of H and F produces about 500 kj/mol of energy:

how much energy is produced by the reaction of 2.0kg of H with 38 kg of F to produce 2 kmol of HF?

i know the answer is 5.0x 10 to the exponent 5 kJ... but I'm not sure why...

PLEASE HELP!

thanks for your time =D