V2 Copy of Chemical change/Endo/Exo Reactions (4/25/2024)
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Last updated 11 months ago
5 questions
Required
2
Required
1
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1
Required
2
Required
3
Question 1
1.
Question 2
2.
Question 3
3.
Question 4
4.
Question 5
5.
Label the specific area of the drawing with: 1. reactants 2. products 3. Ea (activation energy)4. activated complex 5. 𝝙H (including the correct sign - positive or negative)
Which of the following is a not a sign of a chemical change?
Gas is produced
Color stays the same
Light is emitted
Change in temperature
What is endothermic reaction in simple terms?
it absorbs heat from the surroundings
it involves a physical change
it heats up spontaneously
it emits light during reaction
What is the main difference between endothermic and exothermic reactions?