Endothermic and Exothermic Reactions
Flashcard
•
Science
•
9th Grade
•
Practice Problem
•
Hard
+2
Standards-aligned
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is an exothermic reaction?
Back
An exothermic reaction is a chemical reaction that releases heat to its surroundings.
Tags
NGSS.HS-PS1-4
2.
FLASHCARD QUESTION
Front
In an exothermic reaction, heat is...
Back
given out.
Tags
NGSS.HS-PS1-4
3.
FLASHCARD QUESTION
Front
What is an endothermic reaction?
Back
An endothermic reaction is a chemical reaction that absorbs heat from its surroundings.
Tags
NGSS.HS-PS1-4
4.
FLASHCARD QUESTION
Front
In an endothermic reaction, heat is...
Back
taken in.
Tags
NGSS.HS-PS1-4
5.
FLASHCARD QUESTION
Front
What is bond energy?
Back
Bond energy is the amount of energy required to break one mole of a bond in a molecule.
Tags
NGSS.HS-PS1-4
6.
FLASHCARD QUESTION
Front
How much energy is needed to break all the bonds in methane (CH4)?
Back
About 1600 kJ.
Tags
NGSS.HS-PS1-4
7.
FLASHCARD QUESTION
Front
What instrument is used to measure temperature changes in reactions?
Back
Thermometer.
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