Home
Class 12
PHYSICS
In an experiement on the specific heat o...

In an experiement on the specific heat of a metal a 0.20 kg block of the metal at `150^(@)C` is dropped in a copper calorimeter (of water equivalent 0.025 kg) containing `150cm^(3)` of water at `27^(@)C`. The final temperature is `40^(@)C`. Compute the specific heat (in `Jkg^(-1)""^(@)C^(-1)`) of the metal.

A

`0.01calg^-1@_C`

B

`0.1cal^-1g^-1@_C^(-1)`

C

`0.1calg^-1@_C^(-1)`

D

`0.01cal^-1g^-2@_C^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Similar Questions

Explore conceptually related problems

In an experiment to determine the specific heat of a metal, a 0.20 kg block of the mental at 150 .^(@) C is dropped in a copper calorimeter (of water equivalent 0.025 kg containing 150 cm^3 of water at 27 .^(@) C . The final temperature is 40.^(@) C . The specific heat of the metal is.

In an experiment on the specific heat of a metal a 0.20 kg block of the metal at 150^(@) C is dropped in a copper calorimeter (of water equivalent 0.025 kg) containing 150 cc of water at 27^(@) C. The final temperature is 40^(@) C. Calcualte the specific heat of the metal. If heat losses to the surroundings are not negligible, is our answer greater or smaller than the actual value of specific heat of the metal?

An alloy consists 40% copper and 60% nickel. A piece of the alloy of mass 0.1kg is palced in a calorimeter of water equivalent is 10xx10^(-3)kg which contains 90xx10^(-3) kg of water at 10^(@)C . If the final temperature is 20^(@)C , calculate the original temperature of the alloy. (Specific heat capacity of copper =339J kg^(-1)K^(-1) and that of nickel =462J kg^(-1)K^(-1) )

In an experiment to determine the specific heat of aluminium, piece of aluminimum weighing 500 g is heated to 100 .^(@) C . It is then quickly transferred into a copper calorimeter of mass 500 g containing 300g of water at 30 .^(@) C . The final temperature of the mixture is found to be 146.8 .^(@) c . If specific heat of copper is 0.093 cal g^-1 .^(@) C^-1 , then the specific heat aluminium is.

In a laboratory experiment to measure the specific heat capacity of copper, 0.02 kg of water at 70^(@)C was poured into a copper calorimeter with a stirrer of mass 0.16 kg initially at 15^(@)C . After stirring the final temperature reached to 45^(@)C . Calculate the heat energy released by water in the experiment in cooling from 70^(@)C to 45^(@)C . (Specific heat capacity of water = 4200 J kg^(-1)""^(@)C^(-1) .

In a laboratory experiment to measure the specific heat capacity of copper, 0.02 kg of water at 70^(@)C was poured into a copper calorimeter with a stirrer of mass 0.16 kg initially at 15^(@)C . After stirring the final temperature reached to 45^(@)C . What is the quantity of heat released per kg of water per 1^(@)C fall in temperature ?

In a laboratory experiment to measure the specific heat capacity of copper, 0.02 kg of water at 70^(@)C was poured into a copper calorimeter with a stirrer of mass 0.16 kg initially at 15^(@)C . After stirring the final temperature reached to 45^(@)C . Assuming that heat released by water is entirely used to raise the temperature of calorimeter 15^(@)C to 45^(@)C , calculate the specific heat capacity of copper. (Specific heat capacity of water = 4200 J kg^(-1)""^(@)C^(-1) .

When 400 J of heat are added to a 0.1 kg sample of metal, its temperature increase by 20(@) C. What isthe specific heat of the metal?