Thermodynamics
A container of gas has a volume of 0.1 at a pressure of 200 kPa and a temperature of 300 K. If the number of moles of gas is 2, what is the value of the ideal gas constant R?
Two objects are in thermal contact. If they are in thermal equilibrium, what can be said about their temperatures?
A metal spoon is placed in a hot cup of coffee. Heat is transferred through the spoon primarily via which mechanism?
A 50g piece of metal at 85°C is placed in 100g of water at 22°C. The final temperature of the water and metal is 25°C. Assuming no heat is lost to the surroundings, and given the specific heat of water is 4.186 J/g°C, what is the specific heat of the metal?
In a closed system, 50 J of heat are added, and the system performs 20 J of work. What is the change in internal energy of the system?
According to the second law of thermodynamics, what happens to the total entropy of an isolated system over time?
A refrigerator is an example of which type of thermodynamic system?
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A window pane feels colder to the touch than a carpet in the same room. This is primarily because of differences in what property?
A heat engine operates between two temperatures, 600 K and 300 K. What is the maximum possible efficiency of this engine?
Which of the following is the correct mathematical representation of the Ideal Gas Law?