| Name__________________________ |
Section____________________________ |
This page is designed to help students practice written problems, and is
meant to be printed out. Hit the print command and show all work in the spaces
provided. Use the 5-step method, and be sure to round you answers correctly and
include units where appropriate.
q = m(DT)Cp
Use the above formula to solve the problems below.
Remember to list the known and unknowns.
| 1. How much heat is transferred when a 25.25 g piece of copper is
heated from 10 degrees C to 18 degrees C? Look of the Cp of copper in the back of
your textbook.
|
| 2. How much heat is transferred when 50.0 g of water is heated from
8 degrees C to 24 degrees C? The Cp of water is 1.00 cal/g x oC.
|
| 3. How much heat is transfered when a 65.0g of water is heated from
7.5 degrees C to 30.5 degrees C? The Cp of water is cal/g x oC.
|
Answers
1)60 calories 2)800
calories 3)1500 calories |
Please forward all questions, comments and criticisms to Gregory L. Curran.
© Copyright 2004 Fordham Preparatory School, All Rights Reserved.
Last Modified May 22, 2004 |