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Physical/Chemical Changes
Clues of a Chemical Changes
Chemical Equations
Types Chemical Equations
Miscellaneous
100
Lighting a piece of paper on fire and the paper burns up leaving ashes.
What is a chemical change
100
Bleach on your red shirt would cause what chemical change clue.
What is a color change
100
The __________ are always on the left side of a chemical equation.
What are the reactants
100
Two or more substances combine to form a single compound. 2Na + Cl2 -> 2NaCl
What is a synthesis reaction
100
In this Compound what is the name of the "2"? CO2 - pretend the two is below the O
What is a subscript.
200
Mixing baking soda and vinegar together causing bubble and foam.
What is a chemical change
200
Vinegar mixing with baking soda would produce what kind of clue of a chemical change?
What is a gas formation.
200
The ________ are always on the right side of a chemical equation.
What are the products
200
A reaction in which an element takes the place of another element that is part of a compound. Zn + 2HCl -> ZnCl2 + H2
What is a single-replacement reaction
200
In this Compound what is the name of the "5"? 5H??2
What is a coefficient
300
Breaking a glass cup when it falls to the ground
What is physical change
300
Mr. Farrell is on fire. List 3 clues that a chemical change is taking place.
What is Energy change, smoke, heat, light,
300
In the chemical equation C + O2 -> CO2, What are(is) the reactants.
What Carbon and Oxygen
300
A reaction in which a single compound breaks down to form two or more simpler substances. H2CO3 -> H2O + CO2
What is a Decomposition Reaction
300
Magnesium(48.6g) + Oxygen(32.0g) -> Magnesium Oxide(?) What is the total mass of the product?
What is 80.6g
400
A plant collecting sunlight and turning it into food.
What is a chemical change.
400
A battery powering a light would be what kinds of chemical change clue?
What is an energy change.
400
In the chemical equation C + O2 -> CO2, What are(is) the Products.
What is Carbon dioxide
400
A reaction in which ions in two compounds switch places. NaCl + AgF -> NaF + AgCl
What is a Double-Replacement Reaction
400
Mass can not be created or destroyed, it can only change forms.
What is The Law of Conservation of Mass
500
Crushing a sugar cube and dissolving it in water.
What is a physical change.
500
Two clear liquids react and form a solid called a what?
What is a precipitate.
500
Give the more common name of dihydrogen oxide.
What is Water
500
AgNO3 + K2CrO4 -> 2KNO3 + Ag2CrO4
What is a double replacement reaction.
500
Sodium(48.6g) + Hydrochloric Acid(50.0g) -> Hydrogen(80.6g) + Salt(?) What is the mass of the salt?
What is 18.0g