please help me with my question I will like and mark as brainliest

Answer:
E(nergy) = 8 V * 6A * 300 sec = 14400 joules
14400 J / 4.19 J/cal = 3437 cal
Q = k m T = k 2000gm * 8 deg C = 16000 k gm-deg C
k = 3437 / 16000 = .215 cal / (gm-deg C)