IIT JEE Questions And Answers :: Chemical Energetics And Thermodynamics: part1



IIT JEE : Chemical Energetics And Thermodynamics QUESTIONS AND ANSWERS :: part1 : 26 to 30

Following IIT JEE Entrance Multiple choice objective type questions and answers will help you in Maths, Physics and Chemistry 2024 examinations :

26.Internal energy of the elements is assigned a value of��.cal per mole at standard states.

5
9
99
0

27.Which of the following state function is/are not zero at standard states?

Enthalpy
Entropy
Enthalpy and entropy
Activation energy

28.Entropy of a substance is Zero at

the temp. at which a substance is in the liquid state
standard states i.e. 25 degreeCentigrade
absolute zero
0 degreeCentigrade

29.10 gm of ice at 0 degreeCentigrade is placed into 100 gm of water at 50 degreeCentigrade. The temperature of water after the whole ice has melted will be

32.8 degreeCentigrade
19.5 degreeCentigrade
31.8 degreeCentigrade
38.1 degreeCentigrade

More Chemical Energetics And Thermodynamics QUESTIONS AND ANSWERS available in next pages

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