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Question (1)

QN0038388

The specific heat of a gas at constant pressure is greater than the specific heat of the same gas at
constant volume because

(A)
work is done in the expansion of the gas at constant pressure
(B)
work is done in the expansion of the gas at constant volume.
(C)
the attraction between the molecules increases at constant pressure.
(D)
the molecular attraction increases at constant volume.

Correct Answer: A

Explanation:

work done

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Question (2)

QN0038389

Which of the following formula is wrong?

(A)
(B)
(C)
(D)

Correct Answer: D

Explanation:

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Question (3)

QN0038390

moles of an ideal gas with constant volume heat capacity undergo an isobaric expansion by
certain volume. The ratio of the work done in the process, to the heat supplied is:

(A)
(B)
(C)
(D)

Correct Answer: A

Explanation:

At constant volume

Work done

Heat given

So,

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Question (4)

QN0038391

A cube of side  made of iron and having a mass of 1500  is heated from  to . The specific
heat for iron is  and the coefficient of volume expansion is , the change in the
internal energy of the cube is (atm pressure  )

(A)
(B)
(C)
(D)

Correct Answer: B

Explanation:

Thus

or

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Question (5)

QN0038392

A certain amount of ideal monoatomic gas undergoes, process given by where is the
internal energy of the gas. The molar specific heat of the gas for the process will be

(A)
(B)
(C)
(D)

Correct Answer: D

Explanation:

The process is equivalent to

Compare with

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Question (6)

QN0038393

Two cylinders  and  fitted with pistons contain equal amounts of an ideal diatomic gas at .
The piston of  is free to move while that of  is held fixed: The same amount of heat is given to the gas in
each cylinder. If the rise in temperature of the gas in  is , then the rise in temperature of the gas in  is

(A)
(B)
(C)
(D)

Correct Answer: D

Explanation:

and

or

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Question (1)

The specific heat of a gas at constant pressure is greater than the specific heat of the same gas at
constant volume because

Explanation:

Link:

Question (2)

Which of the following formula is wrong?

Explanation:

Link:

Question (3)

moles of an ideal gas with constant volume heat capacity undergo an isobaric expansion by
certain volume. The ratio of the work done in the process, to the heat supplied is:

Explanation:

Link:

Question (4)

A cube of side  made of iron and having a mass of 1500  is heated from  to . The specific
heat for iron is  and the coefficient of volume expansion is , the change in the
internal energy of the cube is (atm pressure  )

Explanation:

Link:

Question (5)

A certain amount of ideal monoatomic gas undergoes, process given by where is the
internal energy of the gas. The molar specific heat of the gas for the process will be

Explanation:

Link:

Question (6)

Explanation:

Link:

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Question (1)

The specific heat of a gas at constant pressure is greater than the specific heat of the same gas at constant volume because

Explanation:

Link:

Question (2)

Which of the following formula is wrong?

Explanation:

Link:

Question (3)

moles of an ideal gas with constant volume heat capacity undergo an isobaric expansion by certain volume. The ratio of the work done in the process, to the heat supplied is:

Explanation:

Link:

Question (4)

A cube of side made of iron and having a mass of 1500 is heated from to . The specific heat for iron is and the coefficient of volume expansion is , the change in the internal energy of the cube is (atm pressure )

Explanation:

Link:

Question (5)

A certain amount of ideal monoatomic gas undergoes, process given by where is the internal energy of the gas. The molar specific heat of the gas for the process will be

Explanation:

Link:

Question (6)

Explanation:

Link:

Excel With Tutors

ExcelWithTutors

For Student

For Tutors

Learn

OUR POLICY

The specific heat of a gas at constant pressure is greater than the specific heat of the same gas at
constant volume because

moles of an ideal gas with constant volume heat capacity undergo an isobaric expansion by
certain volume. The ratio of the work done in the process, to the heat supplied is:

A cube of side made of iron and having a mass of 1500 is heated from to . The specific
heat for iron is and the coefficient of volume expansion is , the change in the
internal energy of the cube is (atm pressure )

A certain amount of ideal monoatomic gas undergoes, process given by where is the
internal energy of the gas. The molar specific heat of the gas for the process will be