me of the system is constant. 4. What process is involved if a balloon is being expanded very rapidly? B. isobaric C. isochoric 5. Which of the following processes is involved if a balloon is being expanded very slowly by the addition of heat? C. isochoric A. adiabatic D. Isothermal B. isobaric 6. What process is involved if a balloon is being heated inside a solid metal case? B. isobaric A. adiabatic D. isothermal A. adiabatic C. isochoric D. isothermal 7. What will happen to a volume of a gas under constant temperature if the pressure increases? C. increases 8. A heat engine moving an efficiency of 0.20 takes in 2000 J of energy from the hot reservoir in one cycle. In the same A. decreases В. ехpands D. remains the same time, how much work will it perform? C. 400 J В. 120 J 9. Which of the following is an example of reversible process? А. О Ј D. 1000 J A. Firing a bullet from a gun B. Quickly pouring a hot water into cold water C. Slowly pouring hot water into cold while allowing the container to achieve ambient temperature D. Striking a match 10. If heat be exchange in a reversible manner, which of the following property of the working substance will change accordingly? A. Enthalpy В. Entropy C. Internal Energy D. Temperature

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