WitrynaThermodynamics Chemistry Questions with Solutions Q1. Under what conditions the heat evolved or absorbed is equal to the internal energy change? Answer. The heat … WitrynaChapter 11 - Thermodynamics. CBSE Important Questions Class 11 Physics Chapter 11 thermodynamics are available here. Students can go through these important questions and can practice them to prepare for the annual exam. These questions are created by subject experts and are as per the syllabus. Students may come across …
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WitrynaSolution. Question 11. Enthalpy of combustion of carbon to CO 2 is -393.5 kJ mol -1. Calculate the heat released upon formation of 35.2 g of CO 2 from carbon and dioxygen gas. Solution. C + O 2 → CO 2; ΔT = -393.5 kJ. ∵ When 44 g of COz is formed from carbon and dioxygen gas, heat released = 393.5 kj. WitrynaExplain the heat engine and obtain its efficiency. 21. Explain in detail Carnot heat engine. 22. Derive the expression for Carnot engine efficiency. 23. Explain the second law of thermodynamics in terms of entropy. 24. Explain in detail the working of a refrigerator. phone number dva
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