MEDIUM
11th CBSE
IMPORTANT
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Will entropy increase or decrease in the following changes and give reasons for your answer?

Water freezes to form ice.

Important Questions on Thermodynamics

MEDIUM
11th CBSE
IMPORTANT

Define entropy. Predict whether entropy change in the following process would be positive or negative.

N2O3(g)N2O(g)+O2(g).

MEDIUM
11th CBSE
IMPORTANT

Define entropy. Predict whether entropy change in the following process would be positive or negative.

Freezing of water.

MEDIUM
11th CBSE
IMPORTANT

How would you account for the fact that entropy of ice is less than that of water?

EASY
11th CBSE
IMPORTANT

State whether the entropy of the system increases, decreases or remains unchanged in the following process: One gram of water evaporates into steam at the same pressure and temperature.

EASY
11th CBSE
IMPORTANT

State whether the entropy of the system increases, decreases or remains unchanged in the following process: One gram of water freezes into ice at the same pressure and temperature.

EASY
11th CBSE
IMPORTANT
Define the term entropy. How does TS determine the spontaneity of a process?
HARD
11th CBSE
IMPORTANT
Derive the criteria for predicting the spontaneity of a process in terms of entropy change Stotal.
HARD
11th CBSE
IMPORTANT
Give at least two statements of the second law of thermodynamics.