Question

find the quantity of heat required to raised the temperature of 1kg of water from 10.c to 90.c​

Answer 1

Answer:

80000 cal is the correct answer

Explanation:

step by step explaination

*mass of water = 1kg = 1000 g

* rise in temperature of water = 90-10=80°C

*specific heat of water =1 cal-1°C-1

Thus the required heat = mst

=1000×1×80

= 80000 cal

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