Advertisements
Advertisements
प्रश्न
A hot cup of coffee is kept on the table. After some time it attains a thermal equilibrium with the surroundings. By considering the air molecules in the room as a thermodynamic system, which of the following is true
पर्याय
ΔU > 0, Q = 0
ΔU > 0, W < 0
ΔU > 0, Q > 0
ΔU = 0, Q > 0
Advertisements
उत्तर
ΔU > 0, Q > 0
APPEARS IN
संबंधित प्रश्न
A gas in a closed container is heated with 10 J of energy, causing the lid of the container to rise 2m with 3N of force. What is the total change in energy of the system?
Give an example of some familiar process in which no heat is added to or removed from a system, but the temperature of the system changes.
The science of measuring temperatures is called?
Identify the state variables given here?
What are intensive and extensive variables? Give examples.
What is an equation of state? Give an example.
Discuss the mechanical equilibrium.
Discuss the chemical equilibrium.
An insulated container of gas has two chambers separated by an insulating partition. One of the chambers has volume V1 and contains ideal gas at pressure P1 and temperature T1. The other chamber has volume V2 and contains ideal gas at pressure P2 and temperature T2. If the partition is removed without doing any work on the gases, calculate the final equilibrium temperature of the container.
What are surroundings in thermodynamics?
