In the formula 5CaSO4, this is the number of oxygen atoms.
What is 20?
Substance(s) that enters a chemical reaction is called this (on the left side of the reaction).
What is a reactant?
My First name.
What is Nicole?
DOUBLE JEOPARDY!!!!!!!!!!
C3H8 + O2 ->3CO2 + 4H2O is what type of chemical reaction?
The type of chemical reaction that occurs when soda goes flat.
What is decomposition?
The number that describes how many molecules of a substance are involved in a chemical reaction.
What is a coefficient?
DOUBLE JEOPARDY!!!!!!!!!
An expression in which symbols and formulas are used to represent a chemical reaction.
What is a chemical equation
During a chemical reaction, chemical bonds can be formed when electrons are shared, gained, lost, none, or all three.....
What is all three?
State the Law of Conservation of Mass.
What is that matter can not be created or destroyed in a chemical reaction?
Define activation energy.
What is the energy required to start a chemical reaction?
An increase in temperature from an outside source will usually cause the rate of reaction to ________________.
What is increase?
The reaction 2HgO -> 2Hg + O2 is an example of this type of reaction.
What is decomposition?
DOUBLE JEOPARDY!!!!!!!!!!
A solid that forms from a solution during a chemical reaction.
What is a precipitate
DOUBLE JEOPARDY!!!!!!!! What are things that will increase the rate of a chemical reaction?
What is: (must list 3): reactant concentration, surface area, temperature, addition of catalyst, nature of reactants.
Give 3 examples that a chemical reaction has taken place.
What is temp change, color change, the formation of gas, and the formation of a precipitate.
Balance the reaction: C3H8 +O2 -> CO2 + H20
What is C3H8 + 5O2 -> 3CO2 + 4H2O
Balance the reaction: Na + H2O -> NaOH + H2
What is 2Na + 2H2O -> 2NaOH + H2
Balance the reaction: HCl + Ca(OH)2 -> CaCl2 + H2O
What is 2HCl + Ca(OH)2 -> CaCl2 + 2H2O