Question

To make iced coffee, a barista adds ice cubes to cool 350 mL of coffee at 90°C to 0°C, what is the minimum mass of 0°C ice required? Assume that the coffee and ice are in a well-insulated tumbler.

Identify the individual interacting systems

List the steps that each system undergoes(temperature changes and phases changes)

List knowns and desired unknowns

Answer 1

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