Advertisements
Advertisements
Question
When you exercise in the morning, by considering your body as a thermodynamic system, which of the following is true?
Options
ΔU > 0, W > 0
ΔU < 0, W > 0
ΔU < 0, W < 0
ΔU = 0, W > 0
Advertisements
Solution
ΔU < 0, W > 0
APPEARS IN
RELATED QUESTIONS
What is a thermodynamic process?
Draw a p-V diagram showing negative work with varying pressure.
3 mole of a gas at temperature 400 K expands isothermally from an initial volume of 4 litres to a final volume of 8 litres. Find the work done by the gas. (R = 8.31 J mol-1 K-1)
An ideal gas of volume 2 L is adiabatically compressed to (1/10)th of its initial volume. Its initial pressure is 1.01 x 105 Pa, calculate the final pressure. (Given ЁЭЫ╛ = 1.4)
When a cycle tyre suddenly bursts, the air inside the tyre expands. This process is ____________.
Apply first law for an adiabatic process.
Give an equation state for an isochoric process.
Explain the isobaric process and derive the work done in this process.
Consider P-V diagram for an ideal gas shown in figure.

Out of the following diagrams (figure), which represents the T-P diagram?
![]() (i) |
![]() (ii) |
![]() (iii) |
![]() (iv) |
In a cyclic process, if ΔU = internal energy, W = work done, Q = Heat supplied then ______.




