Global MCQ Practice

🌐 Total MCQ
🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books

Class 11 Chemistry (Part I) Chapter 6 Thermodynamics Quiz 46 (25 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. Identify the incorrect statement among the following.-A:A reaction is spontaneous at a given temperature if the Gibbs Free Energy change is negative.-B:Gibbs Free Energy change being zero indicates a system at equilibrium at a constant temperature and pressure.-C:For a spontaneous process, the change in entropy of the universe must be negative.
2. READ CAREFULLY! YOU HAVE TIME!A substance with a low specific heat requires less energy to heat up and a substance with high specific heat require more energy to heat up and heats up slower
3. When you place the metal in boiling water, heat flows from the ..... to the .....
4. Melting of ice is an example of an ..... process.
5. First law of thermodynamics represents
6. In a thermal power plant thermodynamic cycle used is
7. The lowest temperature at which the oils gives enough vapour.
8. A zero-order reaction is characterized by:
9. Ice point of water is ..... degree celcius.
10. How is work calculated?
11. The efficiency of a heat engine is always less than 100% due to which law of thermodynamics?
12. Two blocks of steel, the first of mass 1 kg and the second of mass 2 kg, are in thermal equilibrium with a third block of aluminum of mass 2 kg that has a temperature of 400 K. What are the respective temperatures of the first and second steel blocks?
13. Carole owns a two story house with a heating and cooling unit on each floor. In the winter she mostly uses the downstairs unit because the volume of warm air ..... and ..... warming the whole house through .....
14. What is the main concept introduced by the Second Law of Thermodynamics?
15. A chair is several feet from a fireplace. The side of the chair facing the fireplace gets warm due to
16. Given the following information, calculate $\Delta$G$^{0}$ for the reaction below at 25$^{0}$C:SnCl$_{4}$(l) + 2 H$_{2}$0(l) $\rightarrow$ SnO$_{2}$(S) + 4HCl(g), $\Delta$H$^{0}$=133.0 kJ and $\Delta$S$^{0}$ =401.5 J/K
17. The zeroth law of thermodynamics is fundamental in defining which of the following concepts?
18. The second law of thermodynamics introduces the concept of
19. Second law of theromodynamics defines
20. I can't be created nor destroyed. What am I?
21. The type of system that can exchange mass and energy, usually in the form of heat with its surroundings.
22. What is a spontaneous reaction?
23. Calculate the number of kJ required for the reaction shown below, if you begin with 24 grams of oxygen (O2) and the $\Delta$Hrxn = +180 kJ. N2(g) + 2 O2(g) $\rightarrow$ 2 NO2(g)
24. Is this phase change representing an exothermic or endothermic reaction?GAS to LIQUID
25. Joule Thomson coff. for ideal gas is
🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books