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Please help in Chemistry!!!! 15 points! I added a picture below...
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Please help in Chemistry!!!! 15 points! I added a picture below...

Please help in Chemistry!!!! 15 points! I added a picture below...-example-1
User Jim Hankins
by
8.7k points

2 Answers

3 votes
Yeah, the answer would be choice B because it drops from 40 to 20 so it's -20
User PradeepK
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7.5k points
1 vote
the answer would be choice B because the energy decreased by 20 J
User Kokeksibir
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7.6k points
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