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Vocab
Predict This
Balancing Act
Rxn Who Dat?
Predict That
100
What are the numbers placed in front of formulas in an equation? (These are what you may change to balance an equation.)
coefficients
100
Ag + O2 ->
Ag2O
100
When the number of atoms are equal on both sides of the equation, what law has been fulfilled?
the Law of Conservation of Mass
100
If there is one product in your equation, then you have what type of reaction?
synthesis reaction
100
HNO3 + Mn(OH)2->
H2O + Mn(NO3)2
200
What are the new substances formed in a chemical reaction called?
products
200
Li + Al2O3 ->
Al + Li2O
200
Balance this equation: _Zn(OH)2 + _H2CO3 -> _ZnCO3 + _H2O
_Zn(OH)2 + _H2CO3 -> _ZnCO3 + 2H2O
200
What chemical reaction has the generic formula of: AB --> A + B ?
decomposition reaction
200
MgBr2 + Cl2 ->
Br2 + MgCl2
300
When an element occurs "alone" naturally with a subscript of 2 it is called this. (List ALL them for double the points.)
What is a diatomic element? (Br2, I2, N2, Cl2, H2, O2, F2)
300
Mg + O2 ->
MgO
300
Balance the following chemical equation. Fe + O2 -> Fe2O3
4 Fe + 3O2 --> 2Fe2O3
300
A combustion reaction has what 3 things in every reaction?
oxygen, carbon dioxide, and water
300
C + O2 ->
CO2
400
What is the Law of Conservation of Mass?
Matter cannot be created nor destroyed
400
NaOH + HCl ->
NaCl + H2O
400
Balance the following equation. Li + Br2 -> LiBr
2Li + Br2 -> 2LiBr
400
What tool do you need to help you figure out a single displacement reaction?
The activity series
400
NaOH + H2SO4 ->
Na2SO4 + H2O
500
What is formed from two soluble ionic compounds reacting to form an insoluble product?
a precipitate
500
HCl + Ca ->
H2 + CaCl2
500
Write and balance the following: Calcium phosphide and water react to create calcium hydroxide and phosphorus trihydride.
Ca3P2 + 6H2O -> 3 Ca(OH)2 + 2 PH3
500
Name 2 types of chemical equations and give an example of each.
synthesis, decomposition, double replacement, or single replacement. check examples.
500
Li + Al2(SO4)3 -> (Double points if you balance the entire equation.)
6Li + Al2(SO4)3 -> 2Al + 3Li2SO4