This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part I) Chapter 6 Thermodynamics – Quiz 14 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part I) Chapter 6 Thermodynamics Quiz 14 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. How much work is done by 0.020 m$^{3}$ of gas if its pressure increases by 2.0 x10$^{5}$ Pa and the volume remains constant? A) 0 J. B) -4.0 x 10$^{3}$ J. C) 4.0 x10$^{3}$ J. D) 1.0 x10$^{7}$ J. Show Answer Correct Answer: A) 0 J. 2. What is the effect of a catalyst on the rate of reaction? A) It increases the rate of reaction. B) It decreases the rate of reaction. C) It has no effect on the rate of reaction. D) It stabilizes the products of the reaction. Show Answer Correct Answer: A) It increases the rate of reaction. 3. Second law of thermodynamics is defined as a ..... A) Energy. B) Mass. C) Entropy. D) Enthalpy. Show Answer Correct Answer: C) Entropy. 4. In an endothermic reaction, what happens to the enthalpy of the system? A) It increases. B) It decreases. C) It remains constant. D) It fluctuates. Show Answer Correct Answer: A) It increases. 5. How does a refrigerator work? A) Moves heat from inside the fridge to the room. B) Blows cold air into the fridge. C) Uses convection cells. D) It generates cold air. Show Answer Correct Answer: A) Moves heat from inside the fridge to the room. 6. The properties associated with ..... system are called thermodynamic properties A) Microscopic system. B) Homogeneous system. C) Macroscopic system. D) All the above. Show Answer Correct Answer: C) Macroscopic system. 7. A system's organization is measured by ..... A) Equilibrium. B) Internal energy. C) Entropy. D) None of the above. Show Answer Correct Answer: C) Entropy. 8. ..... is an extensive property. A) Specific heat capacity. B) Heat capacity. C) Molar volume. D) Density. Show Answer Correct Answer: B) Heat capacity. 9. Heating water to turn it into steam causes which process in a steam engine? A) Compression. B) Expansion. C) All the above. D) None of the above. Show Answer Correct Answer: B) Expansion. 10. Geothermal uses ..... to heat and cool a home A) The internal energy of the earth. B) Natural gas. C) Solar energy. D) None of the above. Show Answer Correct Answer: A) The internal energy of the earth. 11. Energy that is transferred between objects due to temperature difference between those objects. A) Temperature. B) Thermal energy. C) Heat. D) Solar collector. E) Convection. Show Answer Correct Answer: C) Heat. 12. During an endothermic reaction in a beaker, if we are part of the surroundings and touched the beaker it would feel ..... A) Warm. B) Cold. C) Bubbly. D) Damp. Show Answer Correct Answer: B) Cold. 13. During an adiabatic process the square of the pressure of a gas is proportional to the fifth power of its absolute temperature. The ratio of specific heat C$_{p}$ / C$_{v}$ for that gas is: A) 4/3. B) 3/2. C) 3/5. D) 5/3. Show Answer Correct Answer: D) 5/3. 14. Which of the following is a statement of the first law of thermodynamics? A) Energy cannot be created or destroyed, only transformed. B) Entropy of a system tends to increase. C) Heat flows from hot to cold bodies. D) The efficiency of a heat engine is always less than 100%. Show Answer Correct Answer: A) Energy cannot be created or destroyed, only transformed. 15. $c_p=\left(\frac{\partial h}{\partial T}\right)_p$ A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 16. When matter heats up, what does it do? A) Expand. B) Contract. C) Melt. D) Evaporate. Show Answer Correct Answer: A) Expand. 17. Two objects with different temperatures are placed into a system. Which way will heat flow naturally? A) From the warmer object to the cooler object. B) From the cooler object to the warmer object. C) From one object to the other regardless of temperature. D) No flow will occur. Show Answer Correct Answer: A) From the warmer object to the cooler object. 18. For an isothermal process ..... A) Q=0. B) DT=0. C) DP=0. D) None of the above. Show Answer Correct Answer: B) DT=0. 19. H$_{2}$ + 1/2 O$_{2}$ $\rightarrow$ H$_{2}$O + 285kJ is an example of a(n) A) Electrical equation. B) Heat equation. C) Thermochemical equation. D) None of the above. Show Answer Correct Answer: C) Thermochemical equation. 20. A hot object is dropped into a container of cold water. What happens to the molecular motion of the hot object? What happens to the molecular motion of the cold object? A) The molecules in both objects will slow down until they come to rest. B) The molecules of the hot object slow down while the cold speed up. C) The molecules of the hot speed up while the cold slows down. D) The molecules in both objects will speed up until they reach identical speeds. Show Answer Correct Answer: B) The molecules of the hot object slow down while the cold speed up. 21. When you put a metal spoon in to a bowl of hot soup, the spoon gets heated from A) Conduction. B) Convection. C) Radiation. D) Will power. Show Answer Correct Answer: A) Conduction. 22. When liquids turn into gases, molecules must ..... A) Lose mass. B) Gain kinetic energy. C) Lose energy. D) Stay together as one strong unit of materials. Show Answer Correct Answer: B) Gain kinetic energy. 23. Which of the following laws was expressed by Nernst? A) The first law of thermodynamics. B) The second law of thermodynamics. C) The third law of thermodynamics. D) None of the above. Show Answer Correct Answer: C) The third law of thermodynamics. 24. Henry observed that a piece of iron rusts over time, even though rusting is a spontaneous reaction. This made him think that spontaneous reactions may be extremely slow. Is Henry's observation correct? A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 25. Which of the following factors can influence the rate of a reaction? A) Temperature and pressure. B) Catalysts and inhibitors/intermediate. C) Concentration of reactants. D) All of the above. Show Answer Correct Answer: D) All of the above. ← PreviousNext →Related QuizzesClass 11 Chemistry (Part I) Chapter 6 Thermodynamics Quiz 1Class 11 Chemistry (Part I) Chapter 6 Thermodynamics Quiz 2Class 11 Chemistry (Part I) Chapter 6 Thermodynamics Quiz 3Class 11 Chemistry (Part I) Chapter 6 Thermodynamics Quiz 4Class 11 Chemistry (Part I) Chapter 6 Thermodynamics Quiz 5Class 11 Chemistry (Part I) Chapter 6 Thermodynamics Quiz 6Class 11 Chemistry (Part I) Chapter 6 Thermodynamics Quiz 7Class 11 Chemistry (Part I) Chapter 6 Thermodynamics Quiz 8Class 11 Chemistry (Part I) Chapter 6 Thermodynamics Quiz 9Class 11 Chemistry (Part I) Chapter 6 Thermodynamics Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books