Chemical Change Study Guide

5. Change of state from a liquid to a gas is an example of this kind of change.
6. There are this many carbon atoms on each side of the following chemical equation: 2C4H10 + 13O2 ------> 8CO2 + 10H2O.
7. The _________ of matter states that atoms can neither be created nor destroyed.
10. In our hot water/cold water bath solutions, calcium carbonate reacted with this to form bubbles.
12. Reactions at higher temperature have more of this.
14. If you place a cover over a burning candle, the flame will go out because you have taken away one of the __________.

1. When our lava lamps stop bubbling, we can add more of this to make it go again.
2. Increasing temperature increases the ________ of the reaction.
3. The two reactants in our candle burning experiment were methane and __________.
4. True or false: the reaction in the cold water bath will produce less product than the reaction in the hot water bath.
8. In a chemical reaction, bonds in the reactants are broken and the atoms rearrange to form new _________.
9. We represent chemical reactions with __________ equations.
10. There is an equal number of atoms on each side of the equation to achieve this.
11. Some chemical reaction will occur at low temperatures, they will just do so at a ________ rate.
13. In our lava lamp experiment, alka seltzer reacted with this to form bubbles.