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Bob orders a cup of hot coffee (0.22 kg) at a café. Finding the coffee to...

Bob orders a cup of hot coffee (0.22 kg) at a café. Finding the coffee to be too hot (56°C), he decides to put ice cubes with a total mass of 21 g into the cup. The ice is at an initial temperature of -5°C. Heat of fusion of water: 3.33 x 105 J/kg Specific heat of ice: 2090 J/(kg · K) Specific heat of water: 4190 J/(kg · K). a) What is the total energy needed to warm the ice to 0°C? Joules b) What is the energy needed to completely melt the ice once it has reached 0°C? Joules c) What is the final temperature of the coffee-ice system after it has come to thermal equilibrium. °C

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