| 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 many calories of heat are necessary to
raise the temperature of 350ml of water from 1.00 oC to 5.00oC?
(Cp of water is 1.00 cal/gxC)
|
| 2. Find the mass of a piece of copper when 8000.0 J of heat are
applied, causing a 45 oC increase in temperature. (Cp
of copper is 0.38452 J/g x C)
|
| 3. Find the specific heat of an unknown metal
with an initial temperature of 16.0 oC, when 3500 Joules are applied to a
40.0g sample and the final temperature is 81.0 oC.
|
Answers
1) 1400 calories
2) 460 grams
3) 1.3C
|
Please forward all questions, comments and criticisms to Gregory L. Curran.
© Copyright 2004 Fordham Preparatory School, All Rights Reserved.
Last Modified May 22, 2004 |