Guysss, I need help on q3&4. Thank you in advance
Explanation:
(c) Power = energy / time
Energy = power × time
E = 1000 W × (15 min − 2 min) × (60 s/min)
E = 780,000 J
(d) Heat = mass × specific latent heat
q = mL
780,000 J = (300 g) L
L = 2600 J/g