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Q. 47

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Physics for Scientists and Engineers: A Strategic Approach with Modern Physics
Found in: Page 545

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Short Answer

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?

The mass is 60.2g

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Step by Step Solution

Step  1: Definition of specific heat 

The amount of heat that increase1 the degree of the temperature of a 1-mole substance is called specific heat.

Step 2:  Finding the amount of mass

Th equation of heat is

95% heat has been increased in teh coffee same specific heat of the water and temperature difference

Applying all values

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