Question 1
Easymultiple_choice
A reaction that releases heat is called:
Topic: Energy in Reactions · Skill: Identify energy changes in daily-life reactions
Featured Assignment
Energy in Reactions: Heat, Light and Everyday Chemistry
Know when reactions release or absorb energy
No login needed. Try it now.Create an account later to save progress and get personalized practice.
Skills
Identify energy changes in daily-life reactions, Classify reactions as redox reactions, Identify reduction using loss of oxygen or gain of hydrogen, Identify oxidation using gain of oxygen or loss of hydrogen
Question types
multiple choice
Preview
Preview questions
A quick look at the learning flow
Sample preview - start assignment to submit answers.
Section A: Exothermic Reactions · 6 questionsSection B: Endothermic Reactions · 6 questions
Section A: Exothermic Reactions
Identify reactions that release heat or light.
Use energy clues to classify the reaction.
Question 2
Easymultiple_choice
Which is an exothermic process?
Topic: Energy in Reactions · Skill: Identify energy changes in daily-life reactions
Question 3
Mediummultiple_choice
Respiration is considered exothermic because:
Topic: Energy in Reactions · Skill: Classify reactions as redox reactions
Question 4
Mediummultiple_choice
If the temperature of a reaction mixture rises, the reaction is likely:
Topic: Energy in Reactions · Skill: Identify reduction using loss of oxygen or gain of hydrogen
Question 5
Advancedmultiple_choice
Why is combustion usually exothermic?
Topic: Energy in Reactions · Skill: Identify energy changes in daily-life reactions