Home
Class 11
CHEMISTRY
100ml of water at 20^@C and 100ml of wat...

100ml of water at `20^@C` and 100ml of water at `40^@C` are mixed in calorimeter until constant temperature reached. Now temperature of the mixture is `28^@C`. Water equivalent of calorimeter is 

A

50J

B

104.5J

C

` -24.2J`

D

209J

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Similar Questions

Explore conceptually related problems

5 gm of steam at 100^(@)C is passed into calorimeter containing liquid. Temperature of liquid rises from 32^(@)C to 40^(@)C . Then water equivalent of calorimeter and contents is

Equal masses of ice at 0^(@) C and water at 100^(@) C are mixed. The resultant temperature is

A calorimeter takes 200 cal of heat to rise its temperature through 10^(@) C. Its water equivalent in gm is

300 g of water at 25^(@)C is added to 100 g of ice at 0^(@)C . The final temperature of the mixture is

An amount of water of mass 20 g at 0^(@)C is mixed with 40 g of water at 10^(@)C . Final temperature of mixture is

Steam at 100^(@)C is passed into 1 kg of water contained in a calorimeter at 9^(@)C till the temperature of water and calorimeter is increased to 90^(@)C . The mass of the steam condensed is nearly (water equivalent of calorimeter =0.1 kg, specific heat of water =1" cal g"^(-1)""^(@)C^(-1) and latent heat of vaporisation =540" cal g"^(-1) )