Phiarie Phiarie

Today at 10:02 PM
Chemistry

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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... class=

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Today at 10:06 PM

the answer would be choice B because the energy decreased by 20 J

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rachel73 rachel73

Today at 10:07 PM

Yeah, the answer would be choice B because it drops from 40 to 20 so it's -20

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