- Introduction
- Concept of Heat
- P-V Indicator Digram
- |
- Work in volume changes
- |
- Internal Energy and first law of thermodynamics
- |
- Specific heat capacity of an ideal gas
- |
- Thermodynamic Processes
- |
- Quasi static Processes
- |
- Isothermal Process
- |
- Adiabatic Process
- |
- Isochoric process
- |
- Isobaric process
- |
- Work done in Isothermal process
- |
- Work done in an Adiabatic process
- |
- Heat Engine and efficiency
- |
- Principle of a Refrigerator
- |
- Second law of thermodynamics
- |
- Reversibility and irreversibility
- |
- Carnot's Heat Engine
- |
- Carnot Theorem
- |
- Solved Examples

shown in the Figure

(a) Compute the work done when 1 kg of steam is formed at this temperature

(b) Compute the increase in internal energy

(a) Change in internal energy

(b) Work done by gas

(c) The magnitude of energy transferred as heat.

C

(a) Draw diagram of process is P-V plane

(b) What is the total heat supplied in the process

(c) What is the total change in internal energy of helium.

(d) What is the total work done by the helium.

(e) What is the final volume and pressure.

(a) work done by the gas

(b) change in its internal energy

(c) value of γ= C

(a) What would be total change in internal energy.

(b) Total work done by the system.

(c) Find the total amount of heat absorbed by gas in this process

(a) molor heat capacity of gas in this process

(b) equation of process in variables T, V

(c) Work performed by one mole of gas when its volume increases by η time if T

(a) How much work has been done on the left part.

(b) Find the final temperature on the two sides.

(c) Find the final pressure on the two sides.

P=aT

If the temperature get an increment of ΔT,find following

a. Change in Internal energy

b. Work performed by the gas

c. Molar heat capacity of the gas in the process

d. find the amount heat supplied

a. Find the temperature and pressure in the two vessels.

b The valve is now open for sufficient time so that gases acquire a common temperature and pressure. Find the new values of pressure and temperature

a. Find the initial and final state of the gas

b. Find the work done by the gas

C. Find the change in internal energy

a. Find the ratio of the final pressure of the two samples

b. Find the ratio of the final temperature of the two samples

c. Find the ratio of the work done by the two samples

a. Work done by the gas

b Heat absorbed by the gas in AB and BC

c. Heat in process CD

d. Find the temperature at C and D

e. Maximum temperature attained by the gas during the cycle

f. Net change in the internal energy and the heat

S=A + BT

where A is 100cal/kg-K and B is 2x10

if the final temperature of the container is 27°C.Determine the mass of the container.

Specific heat of water is 10

Latent heat of fusion of water is 8x10

Gas |
No of moles |
Adiabatic coefficient |

A |
1 |
1.67 |

B |
2 |
1.4 |

The gaseous mixture is taken through an adiabatic process where temperature of the mixture drops by ΔT.

a. Find the work done by the mixture

b. If m

X->Y Adiabatic compression

Y->Z Isobaric expansion

Z->A Adiabatic expansion

A->X Isochoric process

find the following

- Molar heat capacities in each process
- if the volume ratio is V
_{X}/V_{Y}=16 and V_{Z}/V_{Y}=2 and T_{Y}=636° C

b. find the net work done by the gas in the cycle

c. find the ratio of pressure P

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