m = 2 kg
ΔT = 35-20 = 15⁰ C
Q= 264 kJ = 26400 J
w = ?
Q = m*cw*ΔT
cw = Q / m * ΔT
cw = 24600 J / 2 kg * 15 ⁰C
cw = 2460030 = 820 J/kg*⁰C
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m = 2 kg
ΔT = 35-20 = 15⁰ C
Q= 264 kJ = 26400 J
w = ?
Q = m*cw*ΔT
cw = Q / m * ΔT
cw = 24600 J / 2 kg * 15 ⁰C
cw = 2460030 = 820 J/kg*⁰C