When Karl Kaveman Adds Chilled Grog to His New Granite

question 18

Multiple Choice

When Karl Kaveman adds chilled grog to his new granite mug, he removes 10.9 kJ of energy from the mug. If it has a mass of 625 g and was at 25°C, what is its new temperature? Specific heat capacity of granite = 0.79 J/g·°C.

• A) 3°C
• B) 14°C
• C) 22°C
• D) 47°C
• E) None of these choices is correct.