In an endothermic process, heat flows into the system. What is the sign of q?

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Study for the ACS Organic Chemistry Test. Study with flashcards and multiple choice questions, each question has hints and explanations. Get ready for your exam!

Multiple Choice

In an endothermic process, heat flows into the system. What is the sign of q?

Explanation:
The key idea is the sign convention for heat exchange: heat added to the system is positive. An endothermic process absorbs heat from the surroundings, so the system gains energy through heat transfer. That makes q positive. Negative would mean heat leaving the system, and zero would mean no heat transfer, neither of which describe an endothermic process.

The key idea is the sign convention for heat exchange: heat added to the system is positive. An endothermic process absorbs heat from the surroundings, so the system gains energy through heat transfer. That makes q positive. Negative would mean heat leaving the system, and zero would mean no heat transfer, neither of which describe an endothermic process.

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