Thermodynamics Quiz - Class XI Chemistry
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Preview questions
1. What is the first law of thermodynamics?
Energy can be created or destroyed. · Energy can be converted from one form to another. · Total energy of an isolated system is constant. · Heat cannot be converted into work.
2. What does the term 'enthalpy' refer to?
Total energy of a system. · Heat content of a system at constant pressure. · Change in internal energy. · Work done by the system.
3. Which of the following is a state function?
Work · Heat · Enthalpy · All of the above
4. What is the unit of internal energy?
Joule · Calorie · Kilojoule · All of the above
5. In an exothermic reaction, the enthalpy change is:
Positive · Negative · Zero · Undefined
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