I need help these 2 question specific Heat q=mc∆t 11. A 55 kg block of hot granite was placed in 60kg of water and raised the temperature by 15.0°C. How much energy per gram was released by the granite? a. Find the percent efficiency per gram if the theoretical yield was 75 J/g.

12. When a 120 g sample of aluminum is placed in 250 g of water the temperature increases from 25°C to 115°C. Find the energy per gram of aluminum. a. Find the percent efficiency per gram if the theoretical yield was 8500 J/g