Internal energy U of a system may change...

Internal energy U of a system may change when

heat passes into or out of the system

work is done on or by the system

matter enters or leaves the system

all the above

Text Solution

Verified by Experts

Topper's Solved these Questions

THERMODYNAMICS AND CHEMICAL ENERGETICS
BRILLIANT PUBLICATION|Exercise (LEVEL-II (HOMEWORK)|39 Videos
STRUCTURE OF ATOMS
BRILLIANT PUBLICATION|Exercise LEVEL - III (Linked Comprehension Type)|8 Videos

Similar Questions

Explore conceptually related problems

Express the change in internal energy of a system when (i) No heat is absorbed by the system from the surroundings, but work (w) is done on the system. What type of wall does the system have?

Express the change in internal energy of a system when (ii) No work is done on the system, but q amount of heat is taken out from the system and given to the surroundings. What type of wall does the system have?

Express the change in internal energy of a system when (iii) w amount of work is done by the system and q amount of heat is supplied to the system what type of system would it be?

U_1 , q, w, U_2 are given. U_1 is internal energy, q is absorbed heat, w is work done and U_2 is final energy. a) Derive an equation for DeltaU. b) Give the equation for w. c) Calculate the change in internal energy of a system which absorbs 200 J of heat and 315 J of work is done by the system.

Calculate the change in internal energy of a system which absorbs 100 J of heat and does 215 J of work.

Calculate the change in the internal energy of a system which absorbs '500 J' of heat, and does work equivalent to '200 J' on the surroundigs.

Some properties of a system are state functions. What is the difference in internal energy of a system, if 100 kJ of energy is radiated out without doing any work?

BRILLIANT PUBLICATION-THERMODYNAMICS AND CHEMICAL ENERGETICS - (LEVEL-II (HOMEWORK)

Internal energy U of a system may change when
Text Solution
|
Which of the following is an intensive property
Text Solution
|
Which one of the following equations correctly represent the first law...
Text Solution
|
A6L cylinder contains 10 mol oxygen gas at 27^(@)C. If the whole gas e...
Text Solution
|
The work done on the system when one mole of an ideal gas is compresse...
Text Solution
|
Agas is allowed to expand in a well-insulated container against a cons...
Text Solution
|
64 g of oxygen (assume ideal behaviour) at 27^(@)C undergoes reversibl...
Text Solution
|
The difference of heat of reaction at constant pressure and at constan...
Text Solution
|
Delta H (f) ^(0) values of NH (2) - OH ((s)), NH (3 (g)), N (2) H (4 ...
Text Solution
|
A cylinder of cooking gas is assumed to contain 14.2 kg butane (C(4)H(...
Text Solution
|
H (2 ) + 1/2 O (2) to H (2) O, Delta H =- 68 kcal K + H (2) O + aq t...
Text Solution
|
The standard enthalpies of combustion of C(2) H(5) (g) and ethanol are...
Text Solution
|
Delta H (f) ^(0) of H (2) O , CO (2) and sucrose (C(12)H(22)O(11)) are...
Text Solution
|
When 0.2 g of 1-butanol was burnt in a suitable apparatus, the heat ev...
Text Solution
|
The specific heat at constant volume and constant pressure for a gas a...
Text Solution
|
One mole of an ideal gas is allowed to expand reversibly and adiabatic...
Text Solution
|
1.22 g of benzoic acid on combustion in a Bomb calorimeter was found t...
Text Solution
|
200 ml 0.1 M H(2) SO(4) is mixed with 200 ml 0.2 M NaOH. The heat gen...
Text Solution
|
In experiment I 200 ml 0.1 M NaOH is mixed with 100 ml 0.1 M H(2) SO(...
Text Solution
|
The enthalpies of solution for copper sulphate pentahydrate and anhydr...
Text Solution
|
Enthalpy of vaporisation of benzene is 30.8 kJ mol" at its normal boil...
Text Solution
|