Which of the following is the correct statement of the sign convention adopted for this course? (Hint: To achieve full marks for this question, you need to select all correct answers and no incorrect answers.)

Question

Accepted Answer

Any heat lost from the system to the surroundings is negative and any work done by the surroundings on the system is negative.

Accepted Answer

Any heat added to the system by the surroundings is positive and any work done by the system on the surroundings is positive.

Answer

Any heat added to the system or work done on the system by the surroundings has a negative sign.

Answer

Any heat added to the system or work done on the system by the surroundings has a positive sign.

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Which of the following is the correct statement of the sign convention adopted f...

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