IB DP Maths: AA SL復(fù)習(xí)筆記1.4.1 Proof
Language of Proof ?What is proof? Proof is a series of logical steps which show a result is?true?for all specified numbers ‘Seeing’ that a result works for a few numbers is not enough to?show?that ...
Language of Proof ?What is proof? Proof is a series of logical steps which show a result is?true?for all specified numbers ‘Seeing’ that a result works for a few numbers is not enough to?show?that ...
Edexcel IGCSE Chemistry 復(fù)習(xí)筆記 4.3.1 Alkanes The Alkanes Alkanes are a group of?saturated?hydrocarbons The term saturated means that they only have single carbon-carbon bonds, there are no...
Edexcel IGCSE Chemistry 復(fù)習(xí)筆記 4.2.4 Cracking Cracking Saturated molecules contain?single?bonds only whereas unsaturated molecules contain?double?bonds between their carbon atoms Alkanes?a...
Compound Interest What is compound interest? Interest is a small percentage paid by a bank or company that is added on to an initial investment Interest can also refer to an amount paid on a loan o...
Edexcel IGCSE Chemistry 復(fù)習(xí)筆記 4.2.3 Nitrogen Oxides & Sulfur Dioxide Formation of Nitrogen Oxides Nitrogen Oxides These compounds (NO and NO2) are formed when nitrogen and oxygen reac...
Edexcel IGCSE Chemistry 復(fù)習(xí)筆記 4.2.2 Combustion Fuels & Combustion The combustion of fossil fuels is the major source of atmospheric pollution Fossil fuels include:?coal,?oil,?natural ...
Edexcel IGCSE Chemistry 復(fù)習(xí)筆記 4.2.1 Crude Oil & Fractional Distillation Crude Oil & Fractional Distillation Crude oil as a mixture is not a very useful substance but the different...
Edexcel IGCSE Chemistry 復(fù)習(xí)筆記 4.1.3 Classifying Organic Reactions Classifying Organic Reactions The reactions of organic compounds can be classified into?substitution,?addition?and?combus...
Edexcel IGCSE Chemistry 復(fù)習(xí)筆記 4.1.2 Naming Organic Compounds Naming Organic Compounds Names of compounds The names of organic compounds have two parts: the prefix or stem and the end part...
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