1. On a scorching summer day a thirsty student finds a 500ml bottle of lemonade in the boot of the car. She measures the temperature of the lemonade to be 32 degrees Celsius. How much ice does she need to add to cool her lemonade down to a refreshing 4.0 degrees Celsius?

Question

2. Calculate the final temperature of the salt water (specific heat capacity:3.5x10^3 J Kg^-1 K^-1) when all the water in the ice cream (specific heat capacity: 3.80 x 10^3J Kg^-1 K^-1)is frozen, assuming no other heat loss.

Answer 1

You are just being lazy.