For each system listed in the first column of the table below, decide (if possib

Question

For each system listed in the first column of the table below, decide (if possible) whether the change described in the second column will increase the entropy S of the system, decrease S, or leave S unchanged. If you don't have enough information to decide, check the "not enough information" button in the last column System Change AS The nitrogen is cooled from 82.0 °C to 10.0 °c and is also compressed from a volume of 15.0 L to a volume of 5.0 L S = 0 S > 0 not enough A few moles of nitrogen (N2) gas information The water condenses to a liquid at a constant temperature of -15.0 °C A few grams of water vapor (H20) not enough information The nitrogen is heated from -1.0 °C to 38.0 °c while the volume is held constant at 5.0 L A few moles of nitrogen (N2) gas not enough information

Explanation / Answer

The entropy is referred to the degree of disorderness or randomness of the system. It changes with the change in physical state of the substance , such that liquid has higher entropy than solid , and gas has higher entropy than liquid.

So here :

A few moles of N2 gas : Delta S < 0

A few grams of water vapor : Delta S < 0

A few moles of N2 gas : Delta S > 0

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