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Please help! Chemistry thermodynamics! 18 pts!


A chemical reaction is carried out in a closed container. The energy absorbed by the chemical reaction is 200 kJ. What is the energy liberated from the air or the walls of the container?

200kJ
50kJ
75kJ
100kJ

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cxcharlie
200 kJ. 

For questions like these, it's generally the same number. See First Law of Thermodynamics. 
200kJ (heat) I just took that test Thursday and got it right hope it helps