The predominant form of caco3 in nature is calcite marine


The predominant form of CaCO3 in nature is calcite. Marine shells are made up of this form of calcium carbonate. However, there also exists another form of CaCO3, called aragonite. They differ in properties at 298 K as follows:

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(a) Is the conversion of calcite to aragonite spontaneous at 298 K?

(b) At what pressure will the conversion be spontaneous at 298 K?

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Econometrics: The predominant form of caco3 in nature is calcite marine
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