A system does 40J work on surrounding as...

A system does `40J` work on surrounding as well as gives out `20J` energy. Calculate the change in internal energy.

Text Solution

Verified by Experts

`w=-40 J, q=-20 J`
`DeltaU=q+w`
`DeltaU=-20+(-40)=-60 J`

Topper's Solved these Questions

THERMOCHEMISTRY
P BAHADUR|Exercise Exercise 9 Advance numerical problems|31 Videos

Similar Questions

Explore conceptually related problems

A system does 100J work on surroundings gy absorbing 150J of heat. Calculate the change in internal energy.

During 200J work done on the system, 140J of heat is given out. Calculate the change in internal energy.

In a process, a system does 238 J of work on its surrounding by absorbing 54 J heat. What is the change in internal energy of system during the operation?

In a process, a system loses 125J of heat when 400 J of work was done on the system. Calculate the change in internal energy.

In a process a system does 238 J of work on its surrondings by absorbing 54 J heat. What is the change is internal energy of system during the operation ?

In a process, a system does 140 J of work on the surroundings and only 40 J of heat is added to the system, hence change in internal energy is

A system does 200 J of work and at the same time absorbs 150 J of heat. The magnitude of the change in internal energy is __________ J. (Nearest integer)

A system is provided 50J of heat and work done on the system is 20J . What is the change in the internal enegry?

(a) An ideal gas contained in a cylinder is given 200 J of heat. The gas does 60 J of work in the expansion resulting from heating. Calculate the increase in internal energy in the process. (b) Calculate the change in internal energy of a gas kept in a rigid container when 150 J of heat is supplied to it.

A gas performs 0.320 kJ work on surroundings and absorbs 120 J of heat from the surroundings.Hence change in internal energy is

P BAHADUR-THERMODYNAMICS-Exercise

During 200J work done on the system, 140J of heat is given out. Calcul...
Text Solution
|
A system does 40J work on surrounding as well as gives out 20J energy....
Text Solution
|
A system does 100J work on surroundings gy absorbing 150J of heat. Cal...
Text Solution
|
A gas absorbs 200J of heat and expands against the external pressure o...
Text Solution
|
Calculate the work done during the process, when one mole of gas is al...
Text Solution
|
Two liters of N(2) at 0^(@)C and 5 atm pressure is expanded isothermal...
Text Solution
|
The internal energy change in the conversion of 1.0 mole of the calcit...
Text Solution
|
Calculate the work done in an open vessel at 300K, when 112g ion react...
Text Solution
|
A sample of 0.20 mole of a gas at 44^@C and 1.5 atm pressure is cooled...
Text Solution
|
Consider the reaction N2 + 3H2 to 2NH3, taking place at 300K temperatu...
Text Solution
|
A sample of argon gas at 1atm pressure and 27^@C expands reversibly an...
Text Solution
|
One mole of an ideal gas is heated at constant pressure from 0^(@)C to...
Text Solution
|
One mole of an ideal mono-atomic gas is taken round cyclic process ABC...
Text Solution
|
Derive a relation showing reversible work of expansion from volume V1 ...
Text Solution
|
What work is to be done on 2 mole of a perfect gas at 27^@C if it is c...
Text Solution
|
Calculate the maximum work done in expanding 16g of oxygen at 300K occ...
Text Solution
|
Calculateq, W, DeltaU and DeltaH for the isothermal reversible expansi...
Text Solution
|
Calculate the change of entropy, Delta(r)S^(Theta) at 298K for the rea...
Text Solution
|
The enthalpy of vaporisation of liquid diethly ether -(C2H5)2O, is 26....
Text Solution
|
Ethanol boils at 78.4^@C and the enthalpy of vaporisation of ethanol i...
Text Solution
|