A calorimeter contains 5 kg of water at 30- C- A metal of mass 4 kg at 100- C is added to the calorimeter- The final temperature is recorded as 70- C- Find the specific heat capacity of the metal- Given- Specific heat capacity of water 4200 J kg -1- C -1-A- 70 J - kg - CB- 700 J - kg - CC- 7 kJ - kg - CD- 7000 J - g - C

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Byju's Answer

Standard X

Physics

Heat

A calorimeter...

Question

A calorimeter contains 5 kg of water at 30°C. A metal of mass 4 kg at 100^oC is added to the calorimeter. The final temperature is recorded as 70^oC. Find the specific heat capacity of the metal. Given: Specific heat capacity of water 4200 J kg^–1°C^–1.

70 J/kgºC

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700 J/kgºC

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7 kJ/kgºC

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7000 J/gºC

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Solution

The correct option is C
7 kJ/kgºC

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A calorimeter contains 5 kg of water at 30°C. A metal of mass 4 kg at 100oC is added to the calorimeter. The final temperature is recorded as 70oC. Find the specific heat capacity of the metal. Given: Specific heat capacity of water 4200 J kg–1 °C–1.

The correct option is C 7 kJ/kgºC

A calorimeter contains 5 kg of water at 30°C. A metal of mass 4 kg at 100^oC is added to the calorimeter. The final temperature is recorded as 70^oC. Find the specific heat capacity of the metal. Given: Specific heat capacity of water 4200 J kg^–1°C^–1.

The correct option is C
7 kJ/kgºC