Unit 5 Test Retake
Flashcard
•
Chemistry
•
9th - 12th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is an endothermic reaction?
Back
An endothermic reaction is a chemical reaction that absorbs heat from its surroundings, resulting in a decrease in temperature.
2.
FLASHCARD QUESTION
Front
What is an exothermic reaction?
Back
An exothermic reaction is a chemical reaction that releases heat to its surroundings, resulting in an increase in temperature.
3.
FLASHCARD QUESTION
Front
How do you determine if a reaction is endothermic or exothermic based on temperature change?
Back
If the temperature decreases during the reaction, it is endothermic. If the temperature increases, it is exothermic.
4.
FLASHCARD QUESTION
Front
What is the balanced equation for the reaction of sodium and chlorine gas to form sodium chloride?
Back
2 Na + Cl2 → 2 NaCl.
5.
FLASHCARD QUESTION
Front
What type of reaction is represented by the general formula AB + CD → CB + AD?
Back
This is a Double Replacement reaction.
6.
FLASHCARD QUESTION
Front
What is a decomposition reaction?
Back
A decomposition reaction is a type of chemical reaction where one compound breaks down into two or more simpler products.
7.
FLASHCARD QUESTION
Front
What is a synthesis reaction?
Back
A synthesis reaction is a type of chemical reaction where two or more reactants combine to form a single product.
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