What's My Type?
Match My Energy
Missing Pieces
Perfectly Balanced, As All Things Should Be
Misc.
100
What type of reaction takes two or more substances and makes them one?
Synthesis
100
Which type of reaction absorbs heat energy?
Endothermic Reaction
100
The atoms you start with before a reaction takes place are called:
Reactants
100
What is the word that we use in chemistry that is the equivalent of balance?
Equilibrium
100
Yes or No ?
Yes
200
What reaction type is this an example of?
A + BC → AC + B
Single-Displacement Reaction
200
What is the type of energy released when a chemical compound reacts to produce new compounds?
Chemical Energy
200
Balance the following reaction:
_____ Mg + _____ O2 → _____ MgO
2, 1, 2
200
What is a substance that affects the rate of a chemical reaction without being consumed or changed significantly?
Catalyst
200
Name two students from your class who got 1st, 2nd, or 3rd on the Kahoot for this chapter.
Answers will vary
300
What are BOTH of the common products in a combustion reaction?
CO2 and H2O
300
Total energy of the products is equal to the total energy of the reactants. This is an example of:
Law of Conservation of Energy
300
We balance chemical equations so they follow which law?
Law of Conservation of Mass
300
Name three factors (other than increasing temperature) that can increase the reaction rate.
Increase reactant concentration, increase pressure, increase surface area.
300
Each group send a member to the board to answer this question:
How many days of school, including today, are remaining in the school year?
(Closest group gets the points)
64 days
400
What is an atom or group of atoms that has an unpaired electron?
Free Radical
400
Mixing baking soda and vinegar releases a large amount of gas and decreases in temperature by around 4 K.
What type of reaction is this an example of?
Endothermic Reaction
400
What are two of the three ways we know to describe a chemical reaction?
Word equation, molecular models, chemical equation
400
Why does increasing temperature cause reaction rates to go faster?
Particles move faster at higher temperatures and collide more often, so there are more chances for the particles to react.
400
Each group nominate one teammate to balance an expo marker on his or her finger for as long as possible. The group that balances for the longest gets the points.
Good Balance
500
What does it mean when a substance is oxidized?
Loses electrons
500
Draw an example of an exothermic reaction graph on the board (with labeled axes).
500
Write the missing coefficients to balance the following reaction:
_____ H3PO4 + _____ HCl → 1 PCl5 + 4 H2O
1 , 5
500
Write an equilibrium on the board in which increasing pressure will result in a shift towards the products (shift right).
Less moles on right side
500
Your entire team needs to dance for 30 seconds or you get no points.
