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Classify the chemical changes as endothermic or exothermic. Endothermic Exothermic Answer Bank Campers burn wood to stay warm at night. A chemical change takes place in a container, making it feel hot to the touch. A chemical change takes place in a container, making it feel cold to the touch. A "cold pack, often used for sports injuries, starts out at room temperature, but squishing the liquid around causes two substances to mix that were originally kept separate. When those substances react, the pack quickly begins to feel cold. Pocket hand warmers, often used by skiers, start out at room temperature. When the air-tight packaging is opened, a substance contained in a cloth pouch reacts with air, and it quickly begins to feel hot.

Classify the chemical changes as endothermic or exothermic. Endothermic Exothermic Answer Bank Campers burn wood to stay warm at night. A chemical change takes place in a container, making it feel hot to the touch. A chemical change takes place in a container, making it feel cold to the touch. A "cold pack, often used for sports injuries, starts out at room temperature, but squishing the liquid around causes two substances to mix that were originally kept separate. When those substances react, the pack quickly begins to feel cold. Pocket hand warmers, often used by skiers, start out at room temperature. When the air-tight packaging is opened, a substance contained in a cloth pouch reacts with air, and it quickly begins to feel hot.

World of Chemistry, 3rd edition
World of Chemistry, 3rd edition
3rd Edition
ISBN:9781133109655
Author:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste
Chapter10: Energy
Section: Chapter Questions
Problem 62A
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Classify the chemical changes as endothermic or exothermic. Endothermic Exothermic Answer Bank Campers burn wood to stay warm at night. A chemical change takes place in a container, making it feel hot to the touch. A chemical change takes place in a container, making it feel cold to the touch. A "cold pack, often used for sports injuries, starts out at room temperature, but squishing the liquid around causes two substances to mix that were originally kept separate. When those substances react, the pack quickly begins to feel cold. Pocket hand warmers, often used by skicrs, start out at room temperature. When the air-tight packaging is opened, a substance contained in a cloth pouch reacts with air, and it quickly begins to feel hot.
Transcribed Image Text:Classify the chemical changes as endothermic or exothermic. Endothermic Exothermic Answer Bank Campers burn wood to stay warm at night. A chemical change takes place in a container, making it feel hot to the touch. A chemical change takes place in a container, making it feel cold to the touch. A "cold pack, often used for sports injuries, starts out at room temperature, but squishing the liquid around causes two substances to mix that were originally kept separate. When those substances react, the pack quickly begins to feel cold. Pocket hand warmers, often used by skicrs, start out at room temperature. When the air-tight packaging is opened, a substance contained in a cloth pouch reacts with air, and it quickly begins to feel hot.
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