Balancing Equations
A chemical equation which has an equal amount of each element on both the reactant side and product side.
What is a Balanced Equation.
6.023 * 1023
What is Avogadro's Number.
The ratio between any two chemicals in a reaction.
What is a Mole ratio.
An important stoichiometric quantity which contains 6.023*10^23 atoms for the element it describes.
What is Moles.
The reactant that determines how much of the products are made.
What is Limiting Reagent
Balanced version of this equation: N2 + H2 ---> NH3
What is N2 + 3H2 ---> 2NH3.
The smallest unit into which a substance can be broken down without a change in composition.
Mass cannot be created or destroyed
What is the Law of conservation of mass?
The volume of an gas at STP
What is 22.4 l.
The maximum amount of product that can be produced from a reaction.
What is Theoretical Yield
The balanced form of this equation: ____Cr2O3 + ____Mg →___Cr + _____MgO
What is Cr2O3 + 3Mg → 2Cr + 3MgO.
The conditions under which the volume of a gas is usually measured.
What is STP.
E in E=mc^2
What is Energy?
The measurement expressed in g/mol.
We have five hot dogs and four hot dog buns. Assuming the hot dogs and buns combine in a one-to-one ratio, what is the Limiting Reagent and the Theoretical Yield
What is Hot Dog Buns; What is 4.
Balanced version of this equation: ___Al + ___HCl → ___AlCl3 + ___H2
What is 2Al + 6HCl → 2AlCl3 + 3H2
STP measurements.
What is 0o C and 101.3 kPa or 1 atm.
Mass of 4.30 of Aluminum in grams.
What is 116 grams?
A measurement that equals 1 AMU.
What is Molecular Weight.
The Limiting Reagent if the actual ratio is 1.74 mol Al/1 mol Cl2 and the Stoichiometric ratio is 0.67mol Al / 1 mol Cl2
What is Cl2.
The balanced version of this last equation:
____CH4 + ______Cl2 → CCl4 + _____HCl
What is CH4 +4Cl2 → CCl4 +4HCl
1.2 moles of water in particles.
Conversion equation: particles=moles x 6.023*10^23/1 mole
7.2*10^23 H2O particles.
Unit mass is expressed in usually.
What are grams?
The molar mass of water.
Hydrogen=1.008 g
Oxygen=16.00 g
What is 18.02 g
The Theoretical yield in moles if the moles of Cl2 = 5.99×10−2 mol and the stoichiometric ratio is 2 mol AlCl3 /3 mol Cl2.
What is 3.99×10−2 mol AlCl3.