The statement Heat lost by the hot body equals ... - JAMB Physics 2019 Question
The statement 'Heat lost by the hot body equals that gained by the cold one' is assumed when determining specific that heat capacity by the method of mixtures. Which of the following validates the assumption?
I. Lagging the Calorimeter
II. Ensuring that only S.I units are used
III. Weighing the calorimeter, the lid and the stirrer.
A
I only
B
I & II only
C
I & III only
D
II & III only
correct option: c
I. Lagging the Calorimeter and III. Weighing the calorimeter, the lid and the stirrer since their units are independent of the energy equation.
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