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Monday, May 23, 2011
3.2 and 3.3 I can recall the general formula and displayed formulae of alkanes
What is the general formula for Alkanes?
Describe and explain the trend in boiling point
1.Methane
2.ETHANE
3.PROPANE
4.BUTANE
5.PENTANE
3.1 I can explain the terms homologous series, hydrocarbon, saturated, unsaturated, general formula and isomerism
Homologous Series
Definition
Example
Hydrocarbon
Definition
Example
Saturated Hydrocarbon
Definition
Example
Unsaturated hydrocarbon
Definition
Example
General formula
Definition
Example
Isomerism
Definition
Example
Monday, May 16, 2011
5.13 I can describe the catalytic cracking of long-chain hydrocarbons
What is the difference between alkanes and alkenes?
What action allows the long chain hydrocarbons in Liquid Paraffin to break down into short chain hydrocarbons?
What is an alkene?
As the gas is being collected over water, why is it important to make sure that the water doesn't suck back into the test tube?
What happens to the rate of gas production as the experiment continues? Why?
When the tube is first heated why is the gas produced not collected?
In the experiment seen in the video, where does the cracking occur?
What is the main difference between the molecules before entering the cracker and after leaving the cracker?
Sunday, May 15, 2011
5.12 I can recall the problems associated with fractional distillation of Crude Oil
a. When crude oil undergoes
__________ ____________
there are too many
_____
chain hydrocarbons (eg
_________
)produced and not enough
______
chain hydrocarbons (eg
________
)
b. To solve these problems the
________
chain hydrocarbons undergo a chemical reaction called
________
Image taken from 'Chemistry4You' text book.
5.11 I can recall how nitrogen oxides are formed in car engines
Write the general equation for the combustion of a fuel
During combustion the nitrogen in air can react to form what gases?
What condition is necessary for this reaction to take place?
In what common object is this condition found?
Why is this condition needed for nitrogen to react?
What are the dangers of the products from this reaction?
5.10 I can recall the problems associated with incomplete combustion
What are the properties of carbon monoxide?
What are the properties of carbon monoxide?
Explain how carbon monoxide is formed
Explain why carbon monoxide is poisonous
5.9 I can describe the trend in boiling point and viscosity of the main fractions
What is the trend in boiling point of the fractions?
Define viscosity (source your definition)
What is the trend in viscosity of the fractions?
What is the trend in colour of the fractions?
Why is crude oil separated into fractions?
What process is used to separate crude oil into fractions?
Sunday, May 8, 2011
5.8 Recall the names and uses of the main fractions obtained from crude oil: refinery gasses, gasoline, kerosene, fuel oil and butimen
Mnemonic to remember order of gases in the Fractionating Collumn
R
ooney
G
oes
K
arting
D
uring
F
ootball
B
reak
Click Here for Answers
Friday, May 6, 2011
5.7 I Can Describe How Crude Oil Is Separated
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