The mole and the reactions

Mix

100

This is the requirement to calculate yield and limiting reactants

What is a balanced chemical reaction?

200

In a chemical reaction, these numbers can be used to determine the mole ratio of any reactants and/or products.

What are coefficients?

300

These are the units of molar mass.

What is g/mol.

400

In the reaction represented by the equation 2Al2O3 --> 4Al + 3O2, this is the mole ratio of Aluminum to Aluminum Oxide.

What is 2:1

500

This is the molar mass of Copper(II) Sulfate.

What is a 160 g/mol?

Equations

100

This is the coefficient of hydrogen gas in the balanced form of the following reaction: H2 + O2 --> H2O

What is 2

200

This is the coefficient in front of nitrogen gas in the correctly balanced form of the equation: (NH4)NO2 --> N2 + H2O

What is 1

300

This is the amount of moles of water that are made from complete reaction of 2.2 moles of oxygen gas with hydrogen gas Given the reaction: 2H2 + O2 → 2H2O

What is 4.4 moles

400

This is the amount of moles of H2 that can be made from the complete reaction of 3.0 moles of Al Given: 2 Al + 6 HCl → 2 AlCl3 + 3 H2

What is 4.5 moles

500

This is how many moles of LiOH are required to react 20 moles of CO2 in the following reaction: CO2 + 2LiOH --> Li2CO3 + H2O

What is 40 moles.

Moles

100

This is the amount of magnesium chloride produced (in moles) if 1.50 moles of magnesium react with excess hydrochloric acid Mg + HCl -------> MgCl2 + H2

What is 1.50 moles?

200

This is the amount of lithium nitride produced if 5.50 moles of Lithium reacts with an excess of nitrogen gas. The reaction: 6Li + N2 --> 2Li3N

What is 1.83 moles?

300

This is the amount of calcium carbonate produced when a chemist reacts 2.4 moles  of CaO with an excess of CO2 in the equation CaO + CO2 --> CaCO3

What is 2.4 moles?

400

This is the amount (in grams) of zinc chloride produced from the reaction of 202.7 grams of lithium chloride and an excess of zinc according to the equation 2LiCl + Zn --> ZnCl₂ + 2 Li.

What is 329 g

500

This is the amount (in grams) of Al₂O₃ produced from the reaction of 0.353 grams Al with an excess of oxygen gas from the chemical equation 

4 Al + 3 O₂ --> 2Al₂O₃

What is 0.663 grams.

Limiting Reagent

100

This is the ingredient that is the limiting reactant if you have 5 cups of flour, 9 eggs and 3 tbs of oil? Given: 2 cups flour + 3 eggs + 1 tbs oil → 4 waffles

What is flour

200

In a chemical reaction, reactants that are not use up when the reaction is finished are called

What is excess reactants

300

  There are 1.8 moles of each reactant available. Determine the limiting reactant in this equation. SO₂ + 2NaOH → Na₂SO₃ + H₂O

What is NaOH

400

  This is the theoretical yield of silicon carbide if 5.0 moles of silicon dioxide reacts with 7.1 moles of Carbon.  SiO₂ + 3C → SiC + 2CO

What is 2.37 moles SiC

500

This is the amount (g) of lead chloride formed if 135.8g of sodium chloride reacts with 95.7g of lead(II) in a single replacement reaction.

What is 128.06g

Mole day!

100

Avogadro's number is this

What is 6.022 x 10²³

200

This is the number of carbon atoms in 12.000000 grams of carbon

What is 6.022 x 10²³?

300

6.022 x 10²³ of anything is this "number"

What is a mole?

400

This is the reason mole day is celebrated on 10-23

What is avogadro's number is 6.02 x 10²³?

500

This is the scientist who calculated how many carbon atoms are in 12.000 grams of carbon.

Who is Avogadro?