The Mixture of Gas and Air Inside a Cylinder Reacts,releasing

question 39

Multiple Choice

The mixture of gas and air inside a cylinder reacts,releasing 300 kJ of heat.If the system does 150 kJ of work on the piston,what is the change in total energy?

• A) 450 kJ
• B) -450 kJ
• C) 150 kJ
• D) -150 kJ

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