Your 300 mL cup of coffee is too hot to drink when served

Chapter 17, Problem 46P

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QUESTION:

Problem 46P

Your 300 mL cup of coffee is too hot to drink when served at 90°C. What is the mass of an ice cube, taken from a −20°C freezer, that will cool your coffee to a pleasant 60°C?

Questions & Answers

QUESTION:

Problem 46P

Your 300 mL cup of coffee is too hot to drink when served at 90°C. What is the mass of an ice cube, taken from a −20°C freezer, that will cool your coffee to a pleasant 60°C?

ANSWER:

Step 1 of 7

We are required to mass of the ice required to change the temperature of the coffee from

 90 °C to 60 °C.

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