What do I need to know…?

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Define the law of conservation of mass

Define a mole

Define the term ‘limiting reactant’

State general formula for alkanes and alkenes

State the purpose of cracking

Calculate moles of a substance

Describe the use of ‘an excess’ in reactions

Separate Only – calculate percentage atom economy of a reaction to form a desired product using the equation % atom economy =RfM of desired product/sum of RfM of all reactants x 100

Separate Only - calculate the theoretical amount of a product & percentage yield using the formula % yield = mass of product made/max theoretical mass of product x 100

Separate only – use and rearrange the equation to determine volume of gas

Compare the products of complete and incomplete combustion

Write word and symbol equations for complete and incomplete combustion of alkanes

Describe the process of fractional distillation

Describe how thermosetting polymers are used in high temperature processes

Explain the effect of a limiting quantity of a reactant on the amount of product it is possible to obtain

Calculate the mass of solute, in a given volume of solution of known concentration, in terms of mass per given volume of solution

Be able to evaluate the use of hydrogen fuel cells in comparison with rechargeable cells and batteries.

Link the property trends in a fractional distillation column to the number of carbons

🡪 boiling point, viscosity and flammability

Evaluate the impact of supply and demand of crude oil fractions, linking to cracking