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4. Indicate with a plus sign (+) any of these processes that require energy, and a negative sign (-) any that release energy: (a) boiling water (b) releasing a balloon full of air with the neck open (c) a race car crashing into a wall (d) cooking a potato in a microwave oven (e) ice cream freezing in an ice cream maker

4. Indicate with a plus sign (+) any of these processes that require energy, and a negative sign (-) any that release energy: (a) boiling water (b) releasing a balloon full of air with the neck open (c) a race car crashing into a wall (d) cooking a potato in a microwave oven (e) ice cream freezing in an ice cream maker

Chemistry
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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Please answer number 4

3. Cobalt-60 has a half-life of 5.26 years. If 1.00 g of 6°Co were allowed to decay, how many grams would be left after (a) one half-life? (b) four half-lives? 4. Indicate with a plus sign (+) any of these processes that require energy, and a negative sign (-) any that release energy: (a) boiling water (b) releasing a balloon full of air with the neck open (c) a race car crashing into a wall (d) cooking a potato in a microwave oven (e) ice cream freezing in an ice cream maker
Transcribed Image Text:3. Cobalt-60 has a half-life of 5.26 years. If 1.00 g of 6°Co were allowed to decay, how many grams would be left after (a) one half-life? (b) four half-lives? 4. Indicate with a plus sign (+) any of these processes that require energy, and a negative sign (-) any that release energy: (a) boiling water (b) releasing a balloon full of air with the neck open (c) a race car crashing into a wall (d) cooking a potato in a microwave oven (e) ice cream freezing in an ice cream maker
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