S CHAND'S ICSE PHYSICS BOOK 2>Chapter 11 - Calorimetry>QUESTIONS>Q 19

MEDIUM

10th ICSE

IMPORTANT

Earn 100

Calculate the amount of heat required to just melt $250 g$ of ice at $0 ° C$ .

Important Questions on Calorimetry

MEDIUM

10th ICSE

IMPORTANT

S CHAND'S ICSE PHYSICS BOOK 2>Chapter 11 - Calorimetry>QUESTIONS>Q 20

Calculate amount of heat required to convert

20 g

of boiling water into steam at same temperature.

MEDIUM

10th ICSE

IMPORTANT

S CHAND'S ICSE PHYSICS BOOK 2>Chapter 11 - Calorimetry>QUESTIONS>Q 21

A lump of

30 g

of ice at

0 ° C

is mixed with

250 g

of water at

40 ° C

. What is the final temperature of the mixture?

MEDIUM

10th ICSE

IMPORTANT

S CHAND'S ICSE PHYSICS BOOK 2>Chapter 11 - Calorimetry>QUESTIONS>Q 22

Describe a method to find latent heat of melting of ice.

MEDIUM

10th ICSE

IMPORTANT

S CHAND'S ICSE PHYSICS BOOK 2>Chapter 11 - Calorimetry>QUESTIONS>Q 23

A copper calorimeter of mass

400 g

contains

250 g

of water at

30 ° C

. When some ice is put in the calorimeter and stirred well till it melts completely, the final temperature of the water becomes

20 ° C

. What is the amount of ice mixed initially?

HARD

10th ICSE

IMPORTANT

S CHAND'S ICSE PHYSICS BOOK 2>Chapter 11 - Calorimetry>QUESTIONS>Q 24

20 g

of ice and

200 g

of water at

0 ° C

is put in an electric kettle of rating

1 kW

. Assuming there is no energy loss, in how much time the water in the kettle starts boiling?

EASY

10th ICSE

IMPORTANT

S CHAND'S ICSE PHYSICS BOOK 2>Chapter 11 - Calorimetry>QUESTIONS>Q 25

Describe a method to find latent heat of vaporisation of steam.

EASY

10th ICSE

IMPORTANT

S CHAND'S ICSE PHYSICS BOOK 2>Chapter 11 - Calorimetry>QUESTIONS>Q 26

One kg of ice at

- 10 ° C

is heated to convert it into steam at

100 ° C

. Calculate the total amount of heat given in this process. Specific heat of ice

= 0.5 \frac{calorie}{g°C}

.

HARD

10th ICSE

IMPORTANT

S CHAND'S ICSE PHYSICS BOOK 2>Chapter 11 - Calorimetry>QUESTIONS>Q 27

A copper calorimeter of mass

450 g

contains

260 g

of water at

20 ° C

. Steam at

100 ° C

is passed in this water which is stirred well till final temperature becomes

35 ° C

. What is the final amount of water in the calorimeter? (Specific heat of water is

4.2 J

)