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Mole - Mass
Vocabulary
Name that Reaction
Out of Balance?
Stoich-it
100
The mass of 6.02 x 10^23 Helium atoms.
What is two grams?
100
The portion of chemistry dealing with numerical relationships in chemical reactions.
What is Stoichiometry?
100
2Na + H2SO4 → H2 + Na2SO4
What is a Single Replacement Reaction?
100
__SO3 + __H2O → __H2SO4
What is SO3 + H2O → H2SO4, a balance equation?
100
___NO + ___O2 ---> __NO2 Number of moles of NO that must react to form 4.67 moles of NO2.
What is 4.67 moles?
200
The amount of oxygen in two moles of water.
What is 32 grams?
200
The relative quantities of substances involved in chemical equations, represented by the ratio of the coefficients.
What are mole ratios?
200
C5H12 + 8O2 = 5CO2 + 6H2O
What is a Combustion Reaction?
200
__H2O + __K → __H2 + __KOH
What is 2H2O + 2K → H2 + 2KOH?
200
___NH3 + ___O2 ---> ___N2 + ___H2O Number of moles of NH3 needed to produce 30 moles of H2O.
What is 20?
300
The number of moles of Hydrogen gas produced when 34 grams of Ammonia decomposes.
What is one mole?
300
On the right side of the reaction equation, following the yields sign.
What are the products?
300
PbO + H2O → Pb(OH)2
What is Synthesis?
300
__NaClO3 → __NaCl + __O2
What is 2NaClO3 → 2NaCl + 3O2?
300
___O2 + ___Fe ---> ___Fe2O3 Minimum amount of Oxygen necessary to consume 6 moles of Fe.
What is 9 moles of Oxygen?
400
The number of moles of Hydrogen gas produced when 55.85 grams of Iron dissolves in Hydrochloric Acid to form FeCl3.
What is 1.5 moles?
400
Determines the actual amount of product that can be formed in a reaction.
What is the limiting reactant/reagent?
400
ZnS + 2HCl → ZnCl2 + H2S
What is a Double Replacement Reaction?
400
__C6H12O6 → __C2H5OH + __CO2
What is C6H12O6 → 2C2H5OH + 2CO2?
400
2 HCl + 2 Ag ----> 2 AgCl + H2 Given: 500g HCl and 500g Ag Convert both masses from grams to moles.
What are the first steps to determining the limiting and excess reactants?
500
N2 + 3H2 ----> 2NH3 1 mole N2 : 3 moles H2 : 2 moles NH3
What are the mole ratios of reactants and products for the synthesis of Ammonia from Nitrogen and Hydrogen?
500
The amount of product that could form during a reaction calculated from a balanced chemical equation.
What is the theoretical yield?
500
2HCl → H2 + Cl2
What is Decomposition?
500
__C4H10 + __O2 → __CO2 + __H2O
What is 2C4H10 + 13O2 → 8CO2 + 10H2O?
500
You expect a reaction to produce 25 grams of compound A. You only obtained 22.5 grams.
What is a 90% yield?