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Physical Change
Mixtures
Chemical Reactions
Rates of Chemical Reactions
Parts of a Chemical Equation/Etc.
100
Physical Change
What is ripping a piece of paper
100
Sugar Cube
What is a lab where temperature and concentration/surface area helped the solute dissolve more rapidly.
100
Answers may vary
What is an example of a Chemical Reaction?
100
gas formation, solid/precipitate, energy change, color change
What are signs of a chemical reaction
100
two or more substances combine to form ONE new compound
What is synthesis reaction
200
Tasty Solution
What is a lab in which pressure and heat help to dissolve a solute more rapidly.
200
salt water/answers may vary
What is an example of a mixture
200
Energy is released in this chemical reaction
What is an Exothermic Reaction
200
Chemical bonds break, rearrange, and new bonds are made.
What happens to the bonds in a chemical reaction
200
ZnCl2 is an example
What is chemical formula
300
Solubility
What is the ability of a substance to dissolve
300
evaporation, centrifuge, distillation, physically/magnent
How do you seperate a mixture?
300
This type of chemical reaction absorbs energy
What is an endothermic reaction
300
Carbon Dioxide is released as a gas CO2
What happens when baking soda and vinegar combine? What is the product?
300
NaCl + AgF _____ NaFlAgCl
What is a chemical equation
400
Concentration
What is the amount of a solute
400
substance that is dissolve
What is solute
400
Mass cannot be created or destroyed in ordinary chemical and physical changes.
What is the Law of Conservation of Mass
400
Catalyst, inhibitor, concentration, surface area, temperature
What are factors that affect the rate of reactions
400
Suspension
When particles settle at the bottom of a mixture it is called a...
500
How you can dissolve a solid faster
What is pressure, grinding, heat, increased surface area
500
Colloid
What mixture has particles that are not heavy enough to settle out?
500
Calcium Cloride and water
What is and example of an exothermic reaction.
500
smallest amount of energy that molecules that need to react.
What is activation energy
500
Decomposition reaction
What is a reaction in which a single compound BREAKS DOWN to form 2 or more simpler substances