In which of following there is decrease in entropy :-

In which of following there is decrease in entropy :-
by

1 Answer

Answer :

In which of following there is decrease in entropy :- A. When temperature is raised from 30 K to ... rarr 2H(g)` D. Liquid crystalises into a solid
by

Related questions

Does a blackhole decrease entropy in the universe?

Description : Does a blackhole decrease entropy in the universe?

Last Answer : I can't shed too much light on the problem, beyond this one thought: scientists are always discovering new things about how our universe got to where it is and how it continues progressing. ... and theories presented by Stephen Hawking, you may also find some good leads from this Wikipedia article.

When ice cubes are made, the entropy of water – (1) does not change (2) decreases (3) increases (4) may either increase or decrease depending on the process used

Description : When ice cubes are made, the entropy of water – (1) does not change (2) decreases (3) increases (4) may either increase or decrease depending on the process used

Last Answer : (2) decreases Explanation: When water is frozen into ice, the temperature drops below 0°C. Since the entropy of the solid is less than that of the liquid, the entropy of the water (the system ... decrease is found by dividing the heat of fusion of ice by the temperature for the reversible pathway.

A change in state involving a decrease in entropy can be spontaneous, only if (A) It is exothermic (B) It is isenthalpic (C) It takes place isothermally (D) It takes place at constant volume

Description : A change in state involving a decrease in entropy can be spontaneous, only if (A) It is exothermic (B) It is isenthalpic (C) It takes place isothermally (D) It takes place at constant volume

Last Answer : (A) It is exothermic

For a spontaneous process, free energy (A) Is zero (B) Increases (C) Decreases whereas the entropy increases (D) And entropy both decrease

Description : For a spontaneous process, free energy (A) Is zero (B) Increases (C) Decreases whereas the entropy increases (D) And entropy both decrease

Last Answer : C) Decreases whereas the entropy increases

Melting of wax is accompanied with __________ in entropy. (A) Increase (B) Decrease (C) No change (D) None of these

Description : Melting of wax is accompanied with __________ in entropy. (A) Increase (B) Decrease (C) No change (D) None of these

Last Answer : (A) Increase

Pick out the correct statement. (A) Like internal energy and enthalpy, the absolute value of standard entropy for elementary substances is zero (B) Melting of ice involves increase in enthalpy and a decrease in randomness (C) The internal energy of an ideal gas depends only on its pressure (D) Maximum work is done under reversible conditions

Description : Pick out the correct statement. (A) Like internal energy and enthalpy, the absolute value of standard entropy for elementary substances is zero (B) Melting of ice involves increase in enthalpy and ... of an ideal gas depends only on its pressure (D) Maximum work is done under reversible conditions

Last Answer : (D) Maximum work is done under reversible conditions

Increase in the entropy of a system represents the (A) Degradation of energy (B) Decrease in system pressure (C) Increase in the availability of energy (D) Increase in the temperature

Description : Increase in the entropy of a system represents the (A) Degradation of energy (B) Decrease in system pressure (C) Increase in the availability of energy (D) Increase in the temperature

Last Answer : Option A

In any chemical reaction, a quantity that decrease to a minimum is: w) free energy x) entropy y) temperature z) enthalpy

Description : In any chemical reaction, a quantity that decrease to a minimum is: w) free energy x) entropy y) temperature z) enthalpy

Last Answer : ANSWER: W -- FREE ENERGY

When ice cubes are made, the entropy of water (1) does not change (2) decreases (3) increases (4) may either increase or decrease depending on the process used

Description : When ice cubes are made, the entropy of water (1) does not change (2) decreases (3) increases (4) may either increase or decrease depending on the process used

Last Answer : decreases