Theory
Stoichiometry I: Basics
Stoichiometry II: LR and % Yield
MISCELLANEOUS
100

The part of the stoichiometry problem which represents the relationship between a known substance and an unknown substance 

What is the molar ratio?

100

Cu + 2 AgNO3 --> 2 Ag + Cu(NO3)2 How many grams of silver will be formed from 12.0 g metallic copper?

What is 40.7?

100

The theoretical yield of a chemical reaction is 32.8g. The actual yield is 27.1g. What is the percent yield?

What is 82.62%?

100

THE AMOUNT OF PRODUCT MADE IN A REACTION.

What is actual yield

200

The molar mass of CO2

What is 44.01 g/mol?

200

CO2(g) + 2 LiOH(s) --> Li2CO3(aq) + H2O(l) How many grams of water would be produced by the reaction of 20 moles of CO2?

What is 360?

200

C2H5Br + NaCN --> C2H5CN + NaBr

If 8.53 g of NaCN is reacted with 11.0 g of C2H5Br, what mass of C2H5CN will be formed?

What is 5.56 g?

200

The amount of product that could be made under perfect conditions.

What is theoretical yield?

300

conversion factor for moles to liters at STP

What is 22.4 L per mole?

300

How many moles of chlorine gas (Cl2) would react with 5 moles of sodium (Na)?  2Na + Cl2 --> 2NaCl

What is 2.5?

300

CH4 + 2O2 --> CO2 + 2H2O In one experiment, a mixture of 0.250 mol of CH4 was burned in 1.25 mol of O2 in a sealed steel vessel. How many moles of water will be made?

What is 0.5 moles?

300

Formula for percent yield.

What is (actual / theoretical) x 100?

400

6.02 x 1023 represents 

What is a mole?

What is Avogadro's number

400

In the reaction 2C8H18 + 25O2 --> 16CO2 + 18 H2O, if 27.3g of C8H18 are combusted, what mass of water will be produced?

What is 37.8 g H2O?

400

In the reaction 2NH3 --> 3H2 + N2, if 12.0 g of NH3 produced 1.87 g of H2, what was the percent yield?

What is 87.6 % yield for H2?

400

The reactant which runs out first.

What is limiting reactant?

500

What do the coefficients in a balanced equation represent?

What is moles?

500

How many moles of nitrogen gas is needed to react with 44.8 liters of hydrogen gas to produce ammonia gas? 3H2 + N2 --> 2NH3

What is 0.667?

500

2 HCl + CaCO3 → CaCl2 + CO2 + H2O 8.57 g of CaCO3 produced 3.11 g of CO2. What was the percent yield?

What is 82.5 %?

500

Chemical with water inside the crystal.

What is a hydrate?