Question 32 How many kWh are used when a 1750 Watt hair dryer is used for 35.0 minutes? 1021 61250 .. 61.25 1.021

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...
icon
Related questions
icon
Concept explainers
Question

please answer all 4 questions , please 

Question 32
How many kWh are used when a 1750 Watt hair dryer is used for 35.0 minutes?
1021
61250
>
61.25
O 1.021
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
O 5730
22920
11460
Question 1
Most of the alternative energies have what advantage
O energy can easily be stored
can be build anywhere
cheap
No CO2 emissions
Transcribed Image Text:Question 32 How many kWh are used when a 1750 Watt hair dryer is used for 35.0 minutes? 1021 61250 > 61.25 O 1.021 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 O 5730 22920 11460 Question 1 Most of the alternative energies have what advantage O energy can easily be stored can be build anywhere cheap No CO2 emissions
Expert Solution
steps

Step by step

Solved in 2 steps

Blurred answer
Knowledge Booster
Ideal and Real Gases
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.
Recommended textbooks for you
Chemistry
Chemistry
Chemistry
ISBN:
9781305957404
Author:
Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning
Chemistry
Chemistry
Chemistry
ISBN:
9781259911156
Author:
Raymond Chang Dr., Jason Overby Professor
Publisher:
McGraw-Hill Education
Principles of Instrumental Analysis
Principles of Instrumental Analysis
Chemistry
ISBN:
9781305577213
Author:
Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:
Cengage Learning
Organic Chemistry
Organic Chemistry
Chemistry
ISBN:
9780078021558
Author:
Janice Gorzynski Smith Dr.
Publisher:
McGraw-Hill Education
Chemistry: Principles and Reactions
Chemistry: Principles and Reactions
Chemistry
ISBN:
9781305079373
Author:
William L. Masterton, Cecile N. Hurley
Publisher:
Cengage Learning
Elementary Principles of Chemical Processes, Bind…
Elementary Principles of Chemical Processes, Bind…
Chemistry
ISBN:
9781118431221
Author:
Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:
WILEY