I'm really confused about how to do these two problems. Please help me.

What is the amount of heat (kJ) required if 64.0 kg of H2O is heated from 25°C to 85°C?

200.0 g Al (C = 0.900 J/g × °C) at 95°C is added to 85.4 g H2O at 25°C. What is the final temperature of the water (and the Al)?

1 answer

Refer to your post using Kate. Same type problem. I'll be happy to check your work if you post it.