If 250 G H₂O at 85

question 32

Multiple Choice

If 25.0 g H₂O at 85.0°C is mixed in a coffee-cup calorimeter with 15.0 g H₂O at 20.0°C,what is the final temperature of the mixture? The specific heat of water is 4.18 J/g⋅°C.

• A) 45.6°C
• B) 52.5°C
• C) 60.6°C
• D) 68.4°C
• E) 183°C

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