Chemical Changes
Chemical Reaction Classes
Chemical Reactions and Energy
Reaction Rates
Random
100
A ________ _________ is a change in which one or more substances are converted into two substances.
Chemical reaction
100
What type of reaction occurs when a substance reacts with oxygen to produce energy in the form of heat and light?
Combustion Reaction
100
What is a chemical reaction that releases energy?
Exergonic reaction
100
What model states that atoms, ions, and molecules must collide in order to react?
Collision model
100
Who won the Thunder game last night?
Spurs
200
What are the starting substances in a chemical reaction called?
Reactants
200
What type of reaction is A + BC -----> AC + B?
Single displacement
200
___________ reactions give off thermal energy.
Exothermic
200
At higher ____________, reacting particles move faster and collide more.
Temperature
200
How many points did Kobe Bryant have vs. the thunder on Monday?
13
300
What are the new substances in a chemical reaction called?
Products
300
What type of reaction is A + B ------> AB?
Synthesis
300
What type of chemical reactions absorb energy?
Endergonic reaction
300
A ____________ is a substance that speeds up a chemical reaction.
Catalyst
300
What was score of Watonga vs. Geary baseball game?
5 to 3.
400
What does the following symbol stand for? (s)
Solid
400
What type of raection is AB ------> A + B?
Decomposition
400
Figure 14 has a picture of a chemical reaction inside something. What is it?
Firefly
400
What are substances that are used to slow down a reaction?
Inhibitors
400
Who won the Watonga vs. Riverside game on Monday?
Watonga
500
What does the arrow stand for in a chemical equation?
Produces or yields
500
What type of reaction is AB + CD ------> AD + CB?
Double displacement
500
_____________ reactions absorb thermal energy.
Endothermic
500
What type of reaction can occur in both the forward and reverse directions?
Reversible reaction
500
What was score of Watonga vs. OBA game last night?
12 to 5
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