|
100 mL of a liquid is contained in an insulated container at a pressure of 1 bar
|
|
2
|
4731
|
March 17, 2019
|
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Determine the value of ∆H and ∆U for the reversible isothermal
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3
|
5586
|
February 22, 2018
|
|
Explain with the suitable example that a reversible process
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1
|
1961
|
December 25, 2016
|
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Find out whether these phenomena are reversible or not
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1
|
2840
|
December 25, 2016
|
|
What is a heat engine?
|
|
1
|
2084
|
December 25, 2016
|
|
Explain what do you understand by the efficiency of a heat engine?
|
|
0
|
2201
|
December 25, 2016
|
|
Under what condition, an ideal Carnot engine has 100% efficiency?
|
|
0
|
3906
|
December 25, 2016
|
|
A refrigerator is to maintain eatables kept inside at 9°C
|
|
1
|
4742
|
December 25, 2016
|
|
Find the heat transferred to the engine by the reservoirs
|
|
1
|
987
|
December 25, 2016
|
|
What is a cyclic process? What is change in internal energy of the system in a cyclic process?
|
|
1
|
5495
|
December 25, 2016
|
|
A cycle followed by a machine
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|
1
|
865
|
December 25, 2016
|
|
Two bodies at different temperatures T1 and T2,
|
|
1
|
2413
|
December 25, 2016
|
|
Find heat exchanged by the engine with the surroundings
|
|
1
|
945
|
December 25, 2016
|
|
Calculate the work done for adiabatic expansion of a gas
|
|
0
|
8552
|
December 25, 2016
|
|
Consider a p-V diagram in which the path followed
|
|
1
|
2261
|
December 25, 2016
|
|
Plot the p-V diagram for each case
|
|
1
|
1180
|
December 25, 2016
|
|
When ice melts then change in internal energy
|
|
1
|
2952
|
December 25, 2016
|
|
A cylinder with a movable piston contains 3 moles of hydrogen
|
|
1
|
2768
|
December 25, 2016
|
|
A geyser heats water flowing.at the rate of 3.0 L/min from 27°C to 77°C
|
|
1
|
1175
|
December 25, 2016
|
|
A person of mass 60 kg wants to lose 5 kg by going up and down a 10 m high stairs
|
|
1
|
2379
|
December 24, 2016
|
|
Sodium carbonate, $Na_{2}CO_{3}$ can be obtained
|
|
1
|
1359
|
December 21, 2016
|
|
Represent the potential energy/enthalpy change
|
|
1
|
1115
|
December 21, 2016
|
|
At what temperature will the reaction become spontaneous
|
|
1
|
5717
|
December 21, 2016
|
|
For an isolated system, ∆U = 0, what will be ∆5?
|
|
0
|
8742
|
December 21, 2016
|
|
Calculate the entropy change in surroundings
|
|
1
|
1065
|
December 21, 2016
|
|
A cylinder of gas supplied by a company is assumed to contain 14 kg
|
|
1
|
5836
|
December 21, 2016
|
|
N athlete is given 100 g of glucose of energy equivalent to 1560 kJ
|
|
1
|
2351
|
December 21, 2016
|
|
Use these data to estimate the magnitude of the resonance energy
|
|
1
|
3747
|
December 21, 2016
|
|
Sing the data (all values are in kilocalories per mole at 25° C)
|
|
1
|
1438
|
December 21, 2016
|
|
A man takes a diet-equivalent to 10000 kJ per day and does work
|
|
1
|
2989
|
December 21, 2016
|