Indicate which of the following has the highest entropy at 298 K.
A)0.5 g of HCN
B)1 mol of HCN
C)2 kg of HCN
D)2 mol of HCN
E)All of the above have the same entropy at 298 K.

Question

Quizplus · Accepted Answer

Entropy is a measure of the disorder or randomness in a system. The amount of substance directly influences entropy; more substance means higher entropy. Therefore, 2 kg of HCN, being the largest amount listed, has the highest entropy at 298 K.

Indicate Which of the Following Has the Highest Entropy at 298