Question: A substance whose Joule-Thomson coefficient is negative is throttled to a lower pressure. During this process, (select the correct statement) (a) The temperature of the

A substance whose Joule-Thomson coefficient is negative is throttled to a lower pressure. During this process, (select the correct statement)
(a) The temperature of the substance will increase.
(b) The temperature of the substance will decrease.
(c) The entropy of the substance will remain constant.
(d) The entropy of the substance will decrease.
(e) The enthalpy of the substance will decrease.

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