Moles Basics
Mole Calculations
Stoichiometry
General Alkanes
Naming Alkanes
100
What is the atomic mass of Hydrogen?
1
100
Calculate the molar mass of CO₂.
44 g/mol
100
In a balanced chemical equation, what do the coefficients represent?
mole ratios
100
What are hydrocarbons composed of?
Hydrogen and Carbon
100
What is the general formula of all alkanes?
CnH2n+2
200
How many particles are in one mole?
6.02x1023
200
Calculate the mass of 1 mole of Carbon (c=12)
1 x 12 = 12g
200
How many moles of oxygen are required to react with 2 moles of hydrogen in the equation
2H2+O2→2H2O
1 mole
200
How many bonds can Carbon make?
4
200
What is the name of an alkane with 4 carbons?
Butane
300
What is concentration?
amount of solute contained in a given volume
300
How many moles are present in 18 g of water? (H=1, O=16)
1 mole
300
How many moles of water are produced when 4 moles of hydrogen react completely?
2H2+O2→2H2O
4 moles
300
Water are the three sources of alkanes?
Natural gas, Biogas, Crude Oil
300
Which alkane has the formula C8H18
octane
400
What are the final units of Molarity
moles dm-3
moles/dm3
400
What mass of NaCl contains 0.5 mol? (Na = 23,Cl = 35.5)
29.25g
400
Using
N2+3H2→2NH3
how many moles of ammonia are produced from 6 moles of hydrogen?
4 moles
400
what is the process of breaking large hydrocarbons into smaller ones called?
Cracking
400
Draw 3-methylpentane
500
Which contains more particles: 1 mole of magnesium or 1 mole of oxygen atoms?
Neither! each contain 1 mole which is 6.02x1023 particles
500
Calculate the volume of a 5M H2SO4 solution that will be required to make a 1000cm3 solution of 0.05M H2SO4
M1V1=M2V2
5M x V1 = 0.05M x 1000cm3
V1 =10cm3
500
Under the influence of a catalyst, ammonia reacts with oxygen according to the equation:
4NH3(g) + 5O2(g) --> 4NO(g) + 6H2O(g)
Given that 200cm3 of ammonia were reacted with oxygen, calculate the volume of nitrogen(II) oxide produced.
200cm3
500
What is the process by which components of crude oil is separated?
Fractional Distillation
500
Draw 2,3 - dibromobutane
