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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![Energy is Derived in SI in Units of Joule
1 J = 1 Kg-m² =[m]•[v²] =[m]•[a]•[d] =[P]•[V] = [any E !]
%3D
%3D
s2
4.184 J = 1 cal
= q[1 g(H2O): 14.5 °C → 15.5 °C]
%3D
Dietary e nutritional Calorie is 1 Cal = 1 kcal = 1000 cal
%3D
Energy Required to
Raise Temperature of to Light 100-W
1 g of Water by 1°C
Energy Required Total Energy Used
by Average U.S.
Citizen in 1 Day
Unit
Bulb for 1 Hour
joule ()
calorie (cal)
4.184
3.6 x 105
9.0 x 108
1.00
8.60 x 104
2.2 x 108
Calorie (Cal)
0.00100
86.0
2.2 x 105
kilowatt-hour (kWh)
1.16 X 10-6
0.100
2.50 X 102
.. Convert 1.991× 104 kJ to kcal:
101x
1 kJ 4,184 j 108 cal
1 cal x 1 kcal= 4,759 kcal
1.991.104 k) x
X-
.. Convert 7 × 10-3 Cal (dietary!) to J:](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1cc13519-1c0b-438e-ad16-12cdea7ee242%2F0e85c4ef-337e-4139-9d1b-d510ca70be3f%2F9eevxeli_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Energy is Derived in SI in Units of Joule
1 J = 1 Kg-m² =[m]•[v²] =[m]•[a]•[d] =[P]•[V] = [any E !]
%3D
%3D
s2
4.184 J = 1 cal
= q[1 g(H2O): 14.5 °C → 15.5 °C]
%3D
Dietary e nutritional Calorie is 1 Cal = 1 kcal = 1000 cal
%3D
Energy Required to
Raise Temperature of to Light 100-W
1 g of Water by 1°C
Energy Required Total Energy Used
by Average U.S.
Citizen in 1 Day
Unit
Bulb for 1 Hour
joule ()
calorie (cal)
4.184
3.6 x 105
9.0 x 108
1.00
8.60 x 104
2.2 x 108
Calorie (Cal)
0.00100
86.0
2.2 x 105
kilowatt-hour (kWh)
1.16 X 10-6
0.100
2.50 X 102
.. Convert 1.991× 104 kJ to kcal:
101x
1 kJ 4,184 j 108 cal
1 cal x 1 kcal= 4,759 kcal
1.991.104 k) x
X-
.. Convert 7 × 10-3 Cal (dietary!) to J:
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