A gas cylinder and piston are covered with
- Slides: 22
A gas cylinder and piston are covered with heavy insulation. The piston is pushed into the cylinder, compressing the gas. In this process, the gas temperature A. doesn’t change. B. decreases. C. increases. D. there’s not sufficient information to tell.
A gas cylinder and piston are covered with heavy insulation. The piston is pushed into the cylinder, compressing the gas. In this process, the gas temperature A. doesn’t change. B. decreases. C. increases. D. there’s not sufficient information to tell.
Two process are shown that take an ideal gas from state 1 to state 3. Compare the work done by process A to the work done by process B. A. B. C. D. WA = WB = 0 WA > WB WA = WB but neither is zero WA < WB
Two process are shown that take an ideal gas from state 1 to state 3. Compare the work done by process A to the work done by process B. A. B. C. D. WA = WB = 0 WA > WB WA = WB but neither is zero WA < WB
Which of the following processes involve heat? A. The brakes in your car get hot when you stop. B. A steel block is placed under a candle. C. You push a rigid cylinder of gas across a frictionless surface. D. You push a piston into a cylinder of gas, increasing the temperature of the gas. E. You place a cylinder of gas in hot water. The gas expands, causing a piston to rise and lift a weight. The temperature of the gas does not change.
Which of the following processes involve heat? A. The brakes in your car get hot when you stop. B. A steel block is placed under a candle. C. You push a rigid cylinder of gas across a frictionless surface. D. You push a piston into a cylinder of gas, increasing the temperature of the gas. E. You place a cylinder of gas in hot water. The gas expands, causing a piston to rise and lift a weight. The temperature of the gas does not change.
Which first-law bar chart describes the process shown in the p. V diagram?
Which first-law bar chart describes the process shown in the p. V diagram?
Objects A and B are brought into close thermal contact with each other, but they are well isolated from their surroundings. Initially TA = 0°C and TB = 100°C. The specific heat of A is more than the specific heat of B. The two objects will soon reach a common final temperature Tf. The final temperature is A. Tf > 50°C. B. Tf = 50°C. C. Tf < 50°C.
Objects A and B are brought into close thermal contact with each other, but they are well isolated from their surroundings. Initially TA = 0°C and TB = 100°C. The specific heat of A is more than the specific heat of B. The two objects will soon reach a common final temperature Tf. The final temperature is A. Tf > 50°C. B. Tf = 50°C. C. Tf < 50°C.
For the two processes shown, which of the following is true: A. QA < QB. B. QA = QB. C. QA > QB.
For the two processes shown, which of the following is true: A. QA < QB. B. QA = QB. C. QA > QB.
What quantities appear in the first law of thermodynamics? A. B. C. D. E. force , mass, acceleartion inertia, torque, angular momentum work, heat, thermal energy work, heat, entropy enthalpy, entropy, heat
What quantities appear in the first law of thermodynamics? A. B. C. D. E. force , mass, acceleration inertia, torque, angular momentum work, heat, thermal energy work, heat, entropy enthalpy, entropy, heat
What was the original unit for measuring heat? A. BTU B. Watt C. Joule D. Pascal E. Calorie
What was the original unit for measuring heat? A. BTU B. Watt C. Joule D. Pascal E. Calorie
What is the name of an ideal-gas process in which no heat is transferred? A. Isochoric B. Isentropic C. Isothermal D. Isobaric E. Adiabatic
What is the name of an ideal-gas process in which no heat is transferred? A. Isochoric B. Isentropic C. Isothermal D. Isobaric E. Adiabatic
Heat is A. the amount of thermal energy in an object. B. the energy that moves from a hotter object to a colder object. C. a fluid-like substance that flows from a hotter object to a colder object. D. Both a and b. E. Both b and c.
Heat is A. the amount of thermal energy in an object. B. the energy that moves from a hotter object to a colder object. C. a fluid-like substance that flows from a hotter object to a colder object. D. Both a and b. E. Both b and c.
The thermal behavior of water is characterized by the value of its A. heat density. B. heat constant. C. specific heat. D. thermal index.
The thermal behavior of water is characterized by the value of its A. heat density. B. heat constant. C. specific heat. D. thermal index.
- Which of the following processes involve heat?
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