Given:
Mass of water, m = 1.5 kg
Specific heat of water, c = 4186 J/kg°C
Initial temperature, $T_{\text{initial}}$ = 10°C
Final temperature, $T_{\text{final}}$ = 50°C
The formula to calculate energy is:
\[ Q = mc\Delta T \]
where:
Q = energy
m = mass
c = specific
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