Question

Manny uses 250ml of water for a lab experiment in his physical science class. Calculate the amount of heat required for Manny to raise the temperature of this water from 20°C to 100°C? Water has a specific heat capacity of 4.184 J/g×°C.

Answer 1

Basing on the information given, we can calculate the amount of heat from the following given:
mass = 250gTemperatures = 100C and 20Cspecific heat of water = 4.2 J/gC

H=mcT

= (250g)(4.2)(80C)
= 84000 J
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