2.4 Chemical Reactions

Question 1

the process of breaking and forming of chemical bonds

Accepted Answer

chemical equation

Question 2

What is the title for the side of the chemical equation in red?

Accepted Answer

reactants

Question 3

What is the blue arrow showing you about this chemical reaction?

Accepted Answer

the activation energy for the reaction

Question 4

What is the title of the substance in the blue box?

Accepted Answer

products

Question 5

What is the title for the side of the equation in blue?

Accepted Answer

products

Question 6

What does this symbol tell you about a chemical reaction?

Accepted Answer

reaction is in equilibrium

Question 7

reactants and products of a chemical reaction are formed at the same rate

Accepted Answer

equilibrium

Question 8

What is the name of the side of the equation in green?

Accepted Answer

products

Question 9

Is this process endothermic or exothermic?

Accepted Answer

exothermic

Question 10

This reaction absorbs more energy than it releases.

Accepted Answer

endothermic

Question 11

What is the title of the substances in the purple box?

Accepted Answer

reactants

Question 12

amount of energy released when a bond forms between two atoms (1/2 of definition)

Accepted Answer

bond energy

Question 13

Is this process endothermic or exothermic?

Accepted Answer

endothermic

Question 14

energy input necessary to initiate or start a chemical reaction

Accepted Answer

activation energy

Question 15

This reaction releases more energy than it absorbs.

Accepted Answer

exothermic

Question 16

What is the arrow in the red box showing you about this chemical reaction?

Accepted Answer

energy released from reaction

Question 17

amount of energy needed to break a bond between two atoms (1/2 of definition)

Accepted Answer

bond energy

Question 18

a substance formed by chemical reaction

Accepted Answer

product

Question 19

What the process happening in this equation?

Accepted Answer

photosynthesis

Question 20

substance that is changed by a chemical reaction

Accepted Answer

reactant

Question 21

Is this an endothermic or exothermic reaction?

Accepted Answer

exothermic

Question 22

Is this an exothermic or endothermic reaction?

Accepted Answer

endothermic

Questions 22