From Experiment Correct Value % error AHdissolving |(kJ/mol) -24

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Using the table complete the correct value and percent error

From Experiment Correct Value
% error
AHdissolving
|(kJ/mol)
-24
Transcribed Image Text:From Experiment Correct Value % error AHdissolving |(kJ/mol) -24
Table 1: HEAT OF DISSOLVING OF Na2CO3
time (s)
T(°C)
Data:
Mass 50 mL
beaker (g)
6.87
30
19.7
60
20.8
Mass 50 mL
beaker
+ Na2CO3 (g)
Mass 250 mL
beaker (g)
Mass 250 mL
16.85
24.79
90
21.1
125.9
120
21.3
beaker
+water (g)
Ti (oC)
17.01
150
21.4
Tf (oC)
21.9
180
21.5
210
21.6
240
21.6
270
21.7
300
21.8
330
21.8
360
21.8
390
21.9
420
21.8
450
21.6
Transcribed Image Text:Table 1: HEAT OF DISSOLVING OF Na2CO3 time (s) T(°C) Data: Mass 50 mL beaker (g) 6.87 30 19.7 60 20.8 Mass 50 mL beaker + Na2CO3 (g) Mass 250 mL beaker (g) Mass 250 mL 16.85 24.79 90 21.1 125.9 120 21.3 beaker +water (g) Ti (oC) 17.01 150 21.4 Tf (oC) 21.9 180 21.5 210 21.6 240 21.6 270 21.7 300 21.8 330 21.8 360 21.8 390 21.9 420 21.8 450 21.6
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