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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