Weeks 5-6 (Rate of reaction, crude oils) Flashcards
What is the minimum amount of energy particles need to react known as?
Activation energy
What is the equation to calculate the surface area of a square?
Surface area = length x width
What is the equation to calculate the surface area of a cube?
Surface area = (length x width) x 6
What is the equation to calculate the volume of a cube?
Volume = length x width x depth
How does a catalyst increase rate of reaction?
By lowering the activation energy
A catalyst speeds up the rate of ________ collisions.
A catalyst speeds up the rate of SUCCESSFUL collisions.
Where does crude oil come from?
Dead plankton in the Earth’s crust
Name some uses for crude oil.
- Fuels (petrol, diesel)
- Solvents
- Lubricants
- Detergents
What are hydrocarbons made of?
Hydrogens and carbons ONLY
Name the four smallest alkanes.
- Methane
- Ethane
- Propane
- Butane
What is the formula for methane?
CH4
What is fractional distillation used for?
To separate crude oil out into hydrocarbons of similar lengths
In fractional distillation, different hydrocarbons condense at different points due to different __________ points.
In fractional distillation, different hydrocarbons condense at different points due to different BOILING points.
Fractions in fractional distillation contain hydrocarbons with similar numbers of …
Carbons
What is the general formula for an alkane?
C(n)H(2n+2)
