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Standard XII

Chemistry

Heat Capacity

Specific heat...

Question

Specific heat capacity of a substance A is $3.8 J / g - K$ and of substance B is $0.4 J / g - K$ . Which substance is a better conductor of heat?

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both have same conductivity

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data insufficient

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Solution

The correct option is B B
Because of lower specific heat capacity, for same heat energy, rise in temperature of B will be more.

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Similar questions

Q. Specific heat capacity of a substance A is

3.8 J g^{- 1} K^{- 1}

and of substance B is

0.4 J g^{- 1} K^{- 1}

is a good conductor of heat ?

Specific heat capacity of a substance A is 3.8 J $g^{- 1} K^{- 1}$ and of the substance B is 0.4 J $g^{- 1} K^{- 1}$ .Which substance is a good conductor of heat? How did you arrive at your conclusion ?

Q. Specific heat capacity of substance

A

3.8 J g^{- 1} K^{- 1}

whereas the Specific heat capacity of substance

B

0.4 J g^{- 1} K^{- 1}

.
(i) Which of the two is a good conductor of heat?

(ii) How is one led to the above conclusion?

(iii) If substances

A

and

B

are liquids then which one would be more useful in car radiators?

Q. The thermal capacity of

10 g

of a substance is

8 c a l / k e l v i n

. Its specific heat is in

J / k g - k

is ________.

Q. Statement 1: Heat capacity/Thermal capacity of a substance depends on mass of substance.
Statement 2: Specific heat capacity of a substance is independent of mass of substance.

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Specific heat capacity of a substance A is 3.8 J/g−K and of substance B is 0.4 J/g−K. Which substance is a better conductor of heat?

The correct option is B BBecause of lower specific heat capacity, for same heat energy, rise in temperature of B will be more.

Specific heat capacity of a substance A is $3.8 J / g - K$ and of substance B is $0.4 J / g - K$ . Which substance is a better conductor of heat?

The correct option is B B
Because of lower specific heat capacity, for same heat energy, rise in temperature of B will be more.