Question 33 A microwave oven is used for 6.21 hours in a week. The microwave oven uses 1150 Watts of power. If electricity costs $0.1125/kWh, how much did it cost to run the microwave oven for the week? $8.03 $0.80 $7.14 $28.92

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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Question 33
A microwave oven is used for 6.21 hours in a week. The microwave oven uses 1150 Watts of
power. If electricity costs $0.1125/kWh, how much did it cost to run the microwave oven for the
week?
$8.03
$0.80
$7.14
$28.92
Question 22
C-14 has a half life of 5730 years. An object contains 12.5% of the C-14 it originally had when it
died. How long ago (in years) did the object die?
17190
5730
22920
11460
Question 1
Most of the alternative energies have what advantage
energy can easily be stored
can be build anywhere
cheap
No CO2 emissions
Transcribed Image Text:Question 33 A microwave oven is used for 6.21 hours in a week. The microwave oven uses 1150 Watts of power. If electricity costs $0.1125/kWh, how much did it cost to run the microwave oven for the week? $8.03 $0.80 $7.14 $28.92 Question 22 C-14 has a half life of 5730 years. An object contains 12.5% of the C-14 it originally had when it died. How long ago (in years) did the object die? 17190 5730 22920 11460 Question 1 Most of the alternative energies have what advantage energy can easily be stored can be build anywhere cheap No CO2 emissions
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