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Moderate

Endothermic and Low Entropy

APCHEM-VL8IXF

The reaction between calcium carbonate and water is endothermic with a low entropy value. All of the solid substances mentioned in the answer choices are calcium carbonate based.

Which of the following supports this statement?

A

Marble statues in urban areas are decomposing at a faster rate over the last 100 years.

B

The White Cliffs of Dover in England are not soluble in ocean water but are affected by weathering processes.

C

Stalactites and stalagmites form fairly rapidly with decreased moisture in caves due to lack of natural light.

D

Geologists test for sedimentary rock in the field by looking for gas formation when the rock is reacted with water.