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endothermic reactions absorb energy from their surroundings. If chemicals for an endothermic reaction are added to water, the water's temperature drops (the water gets colder! Ever use a first aid "cold pack", where you squeeze a pouch to release chemicals inside and the pouch becomes ice cold? That's an endothermic reaction!) For endothermic reactions, when you use the equation Q = m x C x (delta T), the "Q" is a negative number because the water LOSES energy. The answer is negative because the water temperature drops, the CHANGE registered on the thermometer is negative. Type a negative number to answer this question: if your water starts at 19 degrees Celsius, and a couple of minutes after adding chemicals the water temperature becomes 15 degrees, the value of "delta T" is degrees Celsius. *

endothermic reactions absorb energy from their surroundings. If chemicals for an endothermic reaction are added to water, the water's temperature drops (the water gets colder! Ever use a first aid "cold pack", where you squeeze a pouch to release chemicals inside and the pouch becomes ice cold? That's an endothermic reaction!) For endothermic reactions, when you use the equation Q = m x C x (delta T), the "Q" is a negative number because the water LOSES energy. The answer is negative because the water temperature drops, the CHANGE registered on the thermometer is negative. Type a negative number to answer this question: if your water starts at 19 degrees Celsius, and a couple of minutes after adding chemicals the water temperature becomes 15 degrees, the value of "delta T" is degrees Celsius. *

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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endothermic reactions absorb energy from their surroundings. If chemicals for an endothermic reaction are added to water, the water's temperature drops (the water gets colder! Ever use a first aid "cold pack", where you squeeze a pouch to release chemicals inside and the pouch becomes ice cold? That's an endothermic reaction!) For endothermic reactions, when you use the equation Q = m x C x (delta T), the "Q" is a negative number because the water LOSES energy. The answer is negative because the water temperature drops, the CHANGE registered on the thermometer is negative. Type a negative number to answer this question: if your water starts at 19 degrees Celsius, and a couple of minutes after adding chemicals the water temperature becomes 15 degrees, the value of "delta T" is degrees Celsius. *
Transcribed Image Text:endothermic reactions absorb energy from their surroundings. If chemicals for an endothermic reaction are added to water, the water's temperature drops (the water gets colder! Ever use a first aid "cold pack", where you squeeze a pouch to release chemicals inside and the pouch becomes ice cold? That's an endothermic reaction!) For endothermic reactions, when you use the equation Q = m x C x (delta T), the "Q" is a negative number because the water LOSES energy. The answer is negative because the water temperature drops, the CHANGE registered on the thermometer is negative. Type a negative number to answer this question: if your water starts at 19 degrees Celsius, and a couple of minutes after adding chemicals the water temperature becomes 15 degrees, the value of "delta T" is degrees Celsius. *
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