This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part I) Chapter 6 Thermodynamics – Quiz 28 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part I) Chapter 6 Thermodynamics Quiz 28 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A student is investigating the best method for heating marshmallow using an open flame. The student quickly discovers placing the marshmallow over the flame is more effective than heating the marshmallow on the side of the flame.According to this information, what type of heat transfer is present when the marshmallow is above the fire that is not present when the marshmallow is on the side of the fire? A) Conduction. B) Convection. C) Entropy. D) Radiation. Show Answer Correct Answer: B) Convection. 2. By the Zeroth law of Thermodynamics, the thermodynamic variable whose value is equal for two systems in thermal equilibrium is A) Mass. B) Pressure. C) Volume. D) Temperature. Show Answer Correct Answer: D) Temperature. 3. Intensive properties are A) Mass dependent. B) Mass independent. C) All the above. D) None of the above. Show Answer Correct Answer: B) Mass independent. 4. What does "$\Delta$T" mean? A) A change in health. B) A change in heat. C) A change in height. D) A change in temperature. Show Answer Correct Answer: D) A change in temperature. 5. If 0Kelvin =-273$^{o}$C, what is 273Kelvin in degrees? A) 0 degrees Celsius. B) 100 degrees Celsius. C) 546 degrees Celsius. D) 200 degrees Celsius. Show Answer Correct Answer: A) 0 degrees Celsius. 6. True or False:A flowing stream has less entropy than a calm lake. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 7. What is the ideal gas law equation? A) PV = nRT. B) PV = RT. C) P = nRT/V. D) PV = nR. Show Answer Correct Answer: A) PV = nRT. 8. Samuel, Aiden, and Isla are working on a chemistry project. They need to calculate the Gibbs Free Energy of a chemical reaction. What information do they need to perform this calculation? A) The enthalpy of the reaction. B) The entropy of the reaction. C) The temperature of the reaction in Kelvin. D) All of the above are needed. Show Answer Correct Answer: D) All of the above are needed. 9. 1 Calorie is equal to A) 3.2 J. B) 5.2J. C) 3.6 J. D) 4.2 J. Show Answer Correct Answer: D) 4.2 J. 10. What is an example of the Second Law of Thermodynamics in daily life? A) Using a refrigerator to move heat from inside to outside. B) Converting fuel into mechanical energy in a car engine. C) An ice cube melting at room temperature. D) Generating electricity in a power plant. Show Answer Correct Answer: C) An ice cube melting at room temperature. 11. Energy in exothermic reactions are A) Released. B) Absorbed. C) All the above. D) None of the above. Show Answer Correct Answer: A) Released. 12. How are solids different from liquids? A) Particles in solids are moving freely around each other. B) Particles in solids have no motion. C) Particles in solids are vibrating in place. D) Particles in solids have more motion than in liquids. Show Answer Correct Answer: C) Particles in solids are vibrating in place. 13. A condition in which all parts of a system are at the same temperature? A) Thermodynamics. B) Temperature. C) Thermal equilibrium. D) Thermal expansion. Show Answer Correct Answer: C) Thermal equilibrium. 14. This law states that the energy in the universe is constant. Energy cannot be created nor destroyed but changed from one form to another. Which law is this? A) Third Law of thermodynamics. B) Second Law of thermodynamics. C) First Law of thermodynamics. D) None of the above. Show Answer Correct Answer: C) First Law of thermodynamics. 15. Dragging an object across a rough surface makes it warm, or even hot. The temperature increase occurs because of A) Work. B) Heat. C) Thermal. D) Both work and heat. Show Answer Correct Answer: A) Work. 16. In an adiabatic process, what equals zero? A) Q. B) W. C) $\Delta$U. D) T. Show Answer Correct Answer: A) Q. 17. The theoretical (Carnot) efficiency of a heat engine operating between 600$^\circ$C and 100$^\circ$C is: A) 57.3%. B) 16.7%. C) 83.3%. D) 42.7%. Show Answer Correct Answer: A) 57.3%. 18. Boiling point of water in Fahrenheit: A) 0. B) 32. C) 100. D) 212. Show Answer Correct Answer: D) 212. 19. A student is preparing to take a bath when she realizes the hot water tap in the bathroom is not working. The student goes to the kitchen and prepares 10 Lof 100$^\circ$ C water to mix with 90 L of 10$^\circ$ C water. What will be the final temperature of the bath water? A) -1.25$^\circ$ C. B) 19$^\circ$ C. C) 55$^\circ$ C. D) 110$^\circ$ C. Show Answer Correct Answer: B) 19$^\circ$ C. 20. Benjamin wants to make ice cubes for a party. To freeze the water in the ice cube tray, he should ..... A) Add energy to the water. B) Remove energy from the water. C) All the above. D) None of the above. Show Answer Correct Answer: B) Remove energy from the water. 21. Which of the following is true for a steady flow system? A) Mass entering = mass leaving. B) Mass does not enter or leave the system. C) Mass entering can be more or less than the mass leaving. D) None of the above. Show Answer Correct Answer: A) Mass entering = mass leaving. 22. Heating a closed, steel container is an example of an A) Adiabatic process. B) Isovolumetric process. C) Isothermal process. D) Isobaric process. Show Answer Correct Answer: B) Isovolumetric process. 23. The mathematical equation of the first law of thermodynamics is ..... A) $\Delta$U=W. B) $\Delta$U=Q. C) $\Delta$U=Q-W. D) None of the above. Show Answer Correct Answer: C) $\Delta$U=Q-W. 24. What is the standard enthalpy change of formation for an element in its most stable form? A) Zero. B) Positive. C) Negative. D) Depends on the element. Show Answer Correct Answer: A) Zero. 25. The measure of kinetic energy in matter A) Temperature. B) Internal energy. C) Heat. D) None of the above. Show Answer Correct Answer: A) Temperature. ← 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