Home
Class 11
CHEMISTRY
If a gas absorbs 200J of heat and expand...

If a gas absorbs `200J` of heat and expands by `500 cm^(3)` against a constant pressure of `2 xx 10^(5) N m^(-2)`, then the change in internal energy is

A

`-300J`

B

`-100J`

C

`+100J`

D

`+300J`

Text Solution

Verified by Experts

The correct Answer is:
C
`DeltaU=Q+W" "DeltaU=Q+W`
Promotional Banner

Similar Questions

Explore conceptually related problems

A gas absorbs 400J of heat and expands by 2 xx 10^(-3) m^(3) against a constant pressure of 10^(5)Nm^(-2) . The cahnge in internal energy of gas is

An ideal gas absorbs 600cal of heat during expansion from 10L to 20L against the constant pressure of 2atm . Calculate the change in internal enegry.

When 100J of heat is given to an ideal gas it expands from 200cm^(3) to 400cm^(3) at a constant pressure of 3 xx 10^(5) Pa . Calculate (a) the change in internal energy of the gas (b) the number of moles in the gas if the initial temperature is 400K , (c ) the molar heat capacity C_(p) at constant pressure and (d) the molar heat capacity C_(v) at constant volume. [R = (25)/(3)J//mol-K]

A gas absorbs 120 J of heat and expands against the external pressure of 1.10 atm from a volume of 0.5 L to 2.0L.What is the change in internal energy? (1 L atm = 101.3 J)

A gas expends from 2 L to 6L against a constant pressure of 0.5 atm on absobing 200 J of heat. Calculate the change in internal energy.

An ideal gas expands in volume from 1 xx 10^(3) m^(3) at 300 K against a constant pressure of 1 xx 10^(5) N m^(-2) .The work done is

A gas absorbs 200J of heat and expands against the external pressure of 1.5 atm from a volume of 0.5 litre to 1.0 litre. Calculate the change in internal energy.

An ideal gas expands from 10^(-3) m^(3) to 10^(-2) m^(3) at 300 K against a constant pressure of 10^(5) Nm^(-2) . The workdone is