Answers
The formula used is:
(Thermal change (J)) = (mass (g)) (specific heat (J / g°C)) (final temperature-initial temperature, in °C)
Here :
Thermal change = + 14.168 J (The + sign means heat is absorbed. For the released heat, the sign of thermal change is'-')
Mass = 2.30 g
Final temperature = 31.0°C
Initial temperature = 15.0°C
So, put the value:
(+ 14.168 J) = (2.30 g) (specific heat) (31.0°C-15.0°C)
Solve, the specific heat of the metal = 0.385 J / (g°C)
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