Definition
Concepts
MATH!
Balancing!
Definition etc..
100
The molecule that will have a portion of it unreacted
What is an excess reagent?
100
Gives the simplest ratio of atoms of the different elements in a compound.
What is an empirical formula?
100
How do you calculate the percent yield?
% yield = (actual yield/theoretical yield)(100%)
100
3F2 + 1NH3 -> 3HF + 1NF3
Balance the equation: __F2 + __NH3 -> __HF + __NF3
100
a solute dissolved in a solvent.
What is a solution consist of?
200
The molecule that will be completely reacted in reaction
What is a limiting reagent?
200
What is a limiting reagent and an excess reagent?
Limiting reagent: the molecule that will be completely reacted Excess reagent: the molecule that will have portion of it un-reacted
200
0.400 mol dm^-3
What is the concentration of a 2.00g NaOH in a 0.125L solution?
200
1N2 + 2O2 -> 2NO2
Balance the equation: __N2 + __O2 -> ___NO2
200
3
How many sig.figs. are there in 0.0120?
300
Compounds with the same molecular formula but with different structural formulas
What are structural isomers?
300
What is the difference between a solvent, a solute in a solution?
Solvent: component in a solution in greater proportion Solute: component in a solution in lesser proportion (usually a solid). It is dissolved by a solvent.
300
C4H8O2
What is the molecular formula of a molecule with a mass of 88g/mol and an empirical formula of C2H4O1?
300
1C2H5OH + 3O2 -> 2CO2 + 3H2
Balance the equation: __C2H5OH + __O2 -> __CO2 + __H2
300
It is a substance dissolved in a solvent.
What is a solute?
400
States that equal volume of equal gases at the same temperature and pressure contain the same number of particles.
What does Avogadro's law state?
400
Empirical formula is the simplest reaction of atoms in each element where as molecular formula is the actual number of atoms in each element.
What is the difference between an empirical formula and a molecular formula?
400
C9H8O4
What is the empirical formula of a substance that has 60% C, 4.48% H and 35.52% of O?
400
2HI + 1Br2 -> 2HBr + 1I2
Balance the equation: __HI + __Br2 -> __HBr + __I2
400
A substance that dissolves a solute.
What is a solvent?
500
A certain volume that contains one mole of particles of gas in constant temperature and pressure for any gas.
What is the molar volume of a gas?
500
What are the three properties that all chemical reactions have?
-New substances are formed -Bonds in reactant are broken and bonds in products are formed resulting in an energy change between the reacting system and the surroundings -Fixed relationship between # of particles of reactants and products resulting in no overall change in mass.
500
Mass/Volume
How do you find density?
500
1C8H18 + 12.5O2 ->8CO2 + 9H2O
Balance the equation: __C8H18 + __O2 -> __CO2 + __H2O
500
pV=nRT
What is an ideal gas equation?
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