Answer:
150.6 Joules
Explanation:
Calorimetry problem must be solved by the calorimetry formula.
Q = c . m . ΔT
ΔT = Final T° - Initial T°
c = specific heat (Notice, that in the unit we have K as unit for T°, and the T° is in °C. We don't need to make the conversion, because is a Δ)
For example 100°C - 50°C = 50°C
373K - 323K = 50 K
So let's replace data given: Q = 0.82 J/g.K . 12.58 g . (38.2 - 23.6)
Q = 150.6 Joules
We assume no heat lost by sourrounding
