Problem: Consider what happens when a sample of the explosive TNT is detonated under atmospheric pressure.Is w positive, negative, or zero for the process?

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We are being asked to identify if work (w) is positive, negative, or zero for the process of the TNT explosion


The internal energy (ΔE or ΔU) of a system can be calculated from the heat and work of the system. The relationship between internal energy, heat, and work is shown in the following equation:

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Consider what happens when a sample of the explosive TNT is detonated under atmospheric pressure.

Is w positive, negative, or zero for the process?

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