This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part I) Chapter 6 Thermodynamics – Quiz 34 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part I) Chapter 6 Thermodynamics Quiz 34 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The variable for Specific Heat A) Q. B) C. C) T. D) None of the above. Show Answer Correct Answer: B) C. 2. Calorimetry Question:A piece of metal with a mass of 32.8 g is heated to 100.5$^\circ$C and dropped into 138.2 g of water at 20.0$^\circ$C. The final temperature of the system is 30.2$^\circ$C. What is the specific heat capacity of the metal? (show your work) A) 2.56 J/g$^\circ$C. B) 0.391 J/g$^\circ$C. C) 5.29 J/g$^\circ$C. D) 3.50 J/g$^\circ$C. Show Answer Correct Answer: A) 2.56 J/g$^\circ$C. 3. What is an isochoric process? A) The processes in which energy remain constant. B) The processes in which volume remain constant. C) The processes in which enthalpy remain constant. D) The processes in which internal energy remain constant. Show Answer Correct Answer: B) The processes in which volume remain constant. 4. When steam is converted into water, internal energy of the system ..... A) Increases. B) Decreases. C) Remains constant. D) Becomes zero. Show Answer Correct Answer: B) Decreases. 5. Which of the following is true according to Clausius statement? A) It is possible to construct a device that can transfer heat from a cooler body to a hotter body without any effect. B) It is impossible to construct a device that can transfer heat from a cooler body to a hotter body without any effect. C) It is impossible to construct a device that can transfer heat from a hotter body to a cooler body without any effect. D) None of the mentioned. Show Answer Correct Answer: B) It is impossible to construct a device that can transfer heat from a cooler body to a hotter body without any effect. 6. If one mole of the substance is considered, the heat capacity is known as A) Entropy. B) Free energy. C) Specific heat capacity. D) Molar heat capacity. Show Answer Correct Answer: D) Molar heat capacity. 7. What is an adiabatic process? A) The process in which temperature remain constant. B) The processes in which internal energy remain constant. C) The processes in which enthalpy remain constant. D) The processes in which entropy remain constant. Show Answer Correct Answer: D) The processes in which entropy remain constant. 8. V$_{rms, }$v$_{ave}$, and v$_{mp}$ are root mean square, average, and most probable speeds of molecules of a gas obeying Maxwellian velocity distribution. Which of the following statements is correct? A) V$_{rms}$ B) V$_{rms}$>v$_{ave}$>v$_{mp}$. C) V$_{mp}$>v$_{rms}$>v$_{ave}$. D) V$_{mp}$ Show Answer Correct Answer: B) V$_{rms}$>v$_{ave}$>v$_{mp}$. 9. In an extensive property of a thermodynamic system A) Extensive heat is transferred. B) Extensive work is done. C) Extensive energy is utilised. D) All of the above. E) None of the above. Show Answer Correct Answer: E) None of the above. 10. What role does entropy play in irreversible processes? A) Entropy decreases in irreversible processes, suggesting stability. B) Entropy remains constant in all processes, reversible or irreversible. C) Entropy increases in irreversible processes, indicating the direction of spontaneous change. D) Entropy is unrelated to the direction of spontaneous change. Show Answer Correct Answer: C) Entropy increases in irreversible processes, indicating the direction of spontaneous change. 11. Evaporation of water from your skin A) Exothermic reaction. B) Endothermic reaction. C) All the above. D) None of the above. Show Answer Correct Answer: B) Endothermic reaction. 12. What is the temperature of absolute zero in Celsius? A) 0$^\circ$C. B) -100$^\circ$C. C) -273.15$^\circ$C. D) -500$^\circ$C. Show Answer Correct Answer: C) -273.15$^\circ$C. 13. Many thermodynamic processes in nature occurs in one direction but not the opposite A) True. B) False. C) Maybe. D) I do not know. Show Answer Correct Answer: A) True. 14. In a given process for an ideal gas, dW = 0 and dQ < 0. Then for the gas A) The temperature will decrease. B) The volume will increase. C) The pressure will remain constant. D) The temperature will increase. Show Answer Correct Answer: A) The temperature will decrease. 15. The amount of heat required to raise the temperature of 1 kg of water through 1$^\circ$C is called A) Specific heat at constant volume. B) Specific heat at constant pressure. C) Kilo calorie. D) None of the above. Show Answer Correct Answer: C) Kilo calorie. 16. Identify the incorrect statement among the following.-A:Specific heat capacity is the quantity of heat required to raise the temperature of a unit mass of a substance by one degree Celsius.-B:Heat capacity depends on the nature of the substance and the amount of substance present.-C:Molar heat capacity is the amount of heat required to raise the temperature of a gram of substance by one Kelvin. A) A. B) B. C) C. D) None of the above. Show Answer Correct Answer: C) C. 17. YOU HAVE TIME!How much energy is needed to raise the temperature of a 20.0g piece of copper from 15.0 degrees Celsius to 25.0 degrees Celsius? (The specific heat of copper is 0.385 J/g C) A) 20 X (25-15) =70 J. B) 20 X .385 X (25-15)= 77 J. C) 20 X .385 X (15-25)= 62 J. D) 20 X .385 X (15-0)= 77 J. Show Answer Correct Answer: B) 20 X .385 X (25-15)= 77 J. 18. ..... is measured by the unit joules (or calories). A) Heat energy. B) Temperature. C) Specific heat. D) None of the above. Show Answer Correct Answer: A) Heat energy. 19. $W=Q$ $Q>W$ A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 20. Your enthalpy is-20 and your entropy is-8. Which temperature will give you a spontaneous reaction? A) 1. B) 3. C) 5. D) None of the above. Show Answer Correct Answer: A) 1. 21. The average kinetic energy of the atoms or molecules in a substance is directly related to A) Heat. B) Specific heat capacity. C) Temperature. D) Brownian Motion. Show Answer Correct Answer: C) Temperature. 22. During an adiabatic process, a sample of gas does 400 J of work on the environment. What change occurs with the internal energy of the gas? A) The internal energy increases by 400 J. B) The internal energy doesn't change. C) The internal energy decreases by 400 J. D) There is not enough information if we don't know how much heat was added or removed. Show Answer Correct Answer: C) The internal energy decreases by 400 J. 23. Number of divisions in kelvin scale A) 100. B) 180. C) 130. D) 160. Show Answer Correct Answer: A) 100. 24. The molar heat capacity of in an isothermal process is ..... A) 0. B) 10. C) 100. D) Infinity. Show Answer Correct Answer: D) Infinity. 25. PMM1 A) Is the violation of first law. B) Is the violation of zeroth law. C) Is the violation of second law. D) None of the above. Show Answer Correct Answer: A) Is the violation of first law. ← 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