This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part I) Chapter 6 Thermodynamics – Quiz 11 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part I) Chapter 6 Thermodynamics Quiz 11 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. In an exothermic reaction, heat is evolved by the system to the surroundings. A) Q>0, $\Delta$. B) Q<0, $\Delta$. C) All the above. D) None of the above. Show Answer Correct Answer: B) Q<0, $\Delta$. 2. 1 J = ..... calorie A) 4.2. B) 0.2389. C) 0.2. D) 4.186. Show Answer Correct Answer: B) 0.2389. 3. Work done in case of isothermal free expansion A) Maximum. B) Zero. C) Minimum. D) Negative. Show Answer Correct Answer: B) Zero. 4. The internal energy of an ideal gas depends on A) Volume and temperature. B) Pressure and temperature. C) Volume. D) Temperature only. Show Answer Correct Answer: D) Temperature only. 5. For the process at 25$^{0}$C:I$_{2}$(g) $\rightarrow$I$_{2}$(s). What are the signs for $\Delta$G, $\Delta$H and $\Delta$S? A) $\Delta$G + $\Delta$H-$\Delta$S-. B) $\Delta$G-$\Delta$H-$\Delta$S-. C) $\Delta$G-$\Delta$H + $\Delta$S +. D) $\Delta$G-$\Delta$H + $\Delta$S +. Show Answer Correct Answer: B) $\Delta$G-$\Delta$H-$\Delta$S-. 6. Sum of the kinetic and potential energy of the particles that make up an object. A) Temperature. B) Thermal energy. C) Heat. D) Specific heat. E) Thermal insulator. Show Answer Correct Answer: B) Thermal energy. 7. Temperature of ice A) 0 degees Celsius. B) Anything less than 0 degrees Celsius. C) 0-99 degees Celsius. D) Ice can't have a temperature. Show Answer Correct Answer: B) Anything less than 0 degrees Celsius. 8. The molecules in cold objects move A) Slowly. B) Faster. C) Not at all. D) Out of this world. Show Answer Correct Answer: A) Slowly. 9. A concept that addresses the conservation of energy A) 1st law of thermodynamics. B) 2nd law of thermodynamics. C) 3rd law of thermodynamics. D) Zeroth Law. Show Answer Correct Answer: A) 1st law of thermodynamics. 10. Is a raindrop falling to the ground a spontaneous or nonspontaneous process? A) Spontaneous. B) Nonspontaneous. C) All the above. D) None of the above. Show Answer Correct Answer: B) Nonspontaneous. 11. A system which contains single phase is called A) Heterogenous. B) Homogenous. C) Isolated. D) All of these. Show Answer Correct Answer: B) Homogenous. 12. Thermal Energy is ..... A) The internal energy of an object. B) The temperature of a solid object. C) Heat transfer through a liquid. D) None of the above. Show Answer Correct Answer: A) The internal energy of an object. 13. How much heat is needed to form 41.07 g of NO$_{2}$?N$_{2}$+ 2O$_{2}$ $\rightarrow$ 2NO$_{2}$$\Delta$H = +67kJ A) 58.2 kJ. B) 29.9. C) 59.8. D) 19.6. Show Answer Correct Answer: B) 29.9. 14. Temperature is ..... A) The measure of the average kinetic energy of the molecules of an object. B) The amount of thermal energy it takes to raise one gram of a substance by one degree Celsius. C) An object's internal energy. D) None of the above. Show Answer Correct Answer: A) The measure of the average kinetic energy of the molecules of an object. 15. Which one of the following phrases correctly describes an adiabatic process? A) No loss of energy occurs. B) No transfer of energy as heat. C) No change in temperature occurs. D) No change in system volume occurs. E) No change in system pressure occurs. Show Answer Correct Answer: B) No transfer of energy as heat. 16. Which of the following descriptions explains the process of water freezing? A) Water molecules speed up until they escape into a different phase. B) Water molecules slow down until they begin to bond together. C) Water molecules are squeezed together by high pressure until they begin to stick to one another. D) As water molecules cool, their shape changes from rounded to irregular, making them more likely to link to one another. Show Answer Correct Answer: B) Water molecules slow down until they begin to bond together. 17. Which situation best represents convection? A) Heat from a campfire. B) A hot air balloon taking off. C) Touching a hot piece of metal. D) Getting sunburned. Show Answer Correct Answer: B) A hot air balloon taking off. 18. An isochoric process is one in which: A) Volume remains constant. B) Entropy remains constant. C) Pressure remains constant. D) Temperature remains constant. Show Answer Correct Answer: A) Volume remains constant. 19. A set of seperate bodies that form a whole A) Heat. B) System. C) Temperature. D) None of the above. Show Answer Correct Answer: B) System. 20. What does R stand for A) Ideal gas constant. B) Real gas constant. C) Temperature constant. D) Ideal gas law. Show Answer Correct Answer: A) Ideal gas constant. 21. A 200ml of water is heated by the burning of a biscuit.If he $\Delta$T=45.6$^{0}$C and the change in mass of the biscuit, $\Delta$m =5.35g.Find the enthalpy of the biscuit in kJ/g. (Q=mc$\Delta$T) A) 7126. B) 71.3. C) 7.13. D) 38.12. Show Answer Correct Answer: C) 7.13. 22. The specific heat of water is 4.18 J/g$^\circ$C.If 980. J of energy is added to 6.20 g of water at 18.0 $^\circ$C, what is the final temperature of the water? A) 37.8 $^\circ$C. B) -19.8 $^\circ$C. C) 19.8 $^\circ$C. D) 55.8 $^\circ$C. Show Answer Correct Answer: D) 55.8 $^\circ$C. 23. Part of universe which is chosen for thermodynamic study is called A) Surrounding. B) System. C) Both. D) None of the above. Show Answer Correct Answer: B) System. 24. If 100 g of aluminum at 145$^\circ$C gains 6, 800 J of heat, what is the final temperature (T$_{final}$) of the aluminum? Aluminum has a specific heat of 0.897 J/g$^\circ$C. (Q=mc$\Delta$T) A) -69$^\circ$C. B) 0.52$^\circ$C. C) 221$^\circ$C. D) None of the above. Show Answer Correct Answer: C) 221$^\circ$C. 25. The total change in the thermal energy of a system is the heat added to it minus the ..... the system. A) Entropy of. B) Work done by. C) Kinetic energy of. D) Temperature of. Show Answer Correct Answer: B) Work done by. ← 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