Homework Help: Physics

Posted by Leah on Monday, January 31, 2011 at 2:50am.

A 5.0g silver spoon at 20.0C is placed in a cup of coffee at 90.0C. How much heat does the spoon absorb from the coffee to reach a temperature of 89.0C?

Physics - drwls, Monday, January 31, 2011 at 5:31am
Q = heat gained by silver
= (Specific Heat of silver)*5g * 79 C
= ?

The specific heat of silver is 0.237 J/gC

Q = 93.6 J
= 22.4 calories
Physics - drwls, Monday, January 31, 2011 at 5:41am
Make sure your 5.0 g mass is correct. The question has been asked before with a more believable mass of 50 g.

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