Question

If the temperature of the water changes by 200C on giving 460 cal of heat, what is the mass of water. solve​

Answer 1

Answer:

Amount of the heat given to water due to rise in temperature can be computed easily by using the formula as follows:Q=m×ΔTWhere m is mass of the water andΔT is the change in temperature. This formula is only applicable for water as Specific heat of water is s=1cal/g0CGiven Q = 300 calChange in temperature, ΔT=150CThus,m=ΔTQso m=15300m = 20 gram.

Explanation:

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Answer 2

Answer: Amount of the heat given to water due to rise in temperature can be computed easily by using the formula as follows:

Q=m×ΔT

Where m is mass of the water and

ΔT is the change in temperature. This formula is only applicable for water as Specific heat of water is s=1cal/g

0

C

Given Q = 300 cal

Change in temperature, ΔT=15

0

C

Thus,

m=

ΔT

Q

​

so m=

15

300

​

m = 20 gram.

Explanation: