What type of reaction releases energy by forming chemical bonds?

Exploring Energy Changes in Chemical Reactions

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Chemistry
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6th - 10th Grade
•
Easy

Jackson Turner
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Exothermic reaction
Catalytic reaction
Reversible reaction
Endothermic reaction
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What indicates an exothermic reaction in a chemical process?
Decrease in reaction speed
Absorption of heat
Constant temperature
Release of heat
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is required to break chemical bonds in an endothermic reaction?
Heat
Cooling
Catalyst
Pressure
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the outcome when new bonds form in a product during an exothermic reaction?
Energy is absorbed
Energy is constant
Energy is released
No change in energy
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of activation energy in chemical reactions?
To cool down the reactants
To increase the reaction speed
To form new bonds
To overcome the energy barrier
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the activation energy in a chemical reaction?
Energy absorbed from the surroundings
Extra energy required to start the reaction
Energy released during bond formation
Energy to break bonds in reactants
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the temperature during an endothermic reaction?
It fluctuates
It decreases
It remains constant
It increases
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