Question

what would be the final temperature of a mixture of 50g of water at 20°C temperature and 50g of water at 80°C temperature?​

Answer 1

Answer:

50 gms water at 20 ⁰ C and 50 gms of water at 40⁰ C are mixed. Since the masses of the liquid at different temperatures are same, the answer is very easy and simple : average of 20⁰C and 40⁰C. that is: 30⁰C