Question

For each trial, enter the amount of heat gained by the chemical system of ammonium nitrate, qrxn. The specific heat of water is 4.184 J/goC. Report your answer using 4 digits.
The information given is: Trial # Tiwater Tf Masswater #1: 21.2 10.8 24.990 #2: 20.8 9.50 25.000 #3: 20.9 9.20 25.010 The equation needed is qrxn = -(qwater+qcalorimeter) I found the qwater, but I need help finding the qcalorimeter so I can determine the qrxn. Please help!

Answer 1

This is how to solve the problem:

First, we need to find the qcalorimeter.
The, you must use the equation:
qcalorimeter = Csp + (delta)T 

(delta)T  = is the same as what you used for
CSP = you calculated this earlier in lab. "average heat capacity of the calorimeter" 

Hope this helps answer your question.