Odpowiedzi

2010-01-30T18:10:11+01:00
M = 0,3 kg
T1 = 15 C
T2 = 35 C
delta T = 35 C - 15 C = 20 C
cw = 2100 J/kg*C
Q = ?
Q = m *cw *delta T
Q = 0,3 kg *2100 J/kg*C* 20 C
Q = 12600 J= 12,6 kJ