Alkanes

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How is the mass effected?

Mass increases going down because the chain gets longer

Which alkanes are gases at room temperature?

1 -- 4

What 2 things do the boiling point of alkanes depend on?

1. Mass 2. Contact surface area

Which alkanes are liquids at room temperature?

5 -- 16

Which alkanes are solids at room temperature?

>16

What are alkanes?

A family of organic compounds where the compounds contain only carbon and hydrogen

What is organic chemistry?

About carbon-containing compounds from molecules within living organisms

What the formula of methane?

CH₄

What is the reaction between alkane and oxygen called?

Combustion

What are isomers?

Compounds with the same formula but different structures

What is the formula for writing alkanes?

CⁿH²ⁿ⁺²

What is the formula of the 8th alkane and what is it called?

C₈H₁₈ -- Octane

Is hexane a gas, liquid or soldi at room temperature?

Liquid

What is an isomer to butane?

Methyle

What is the name of C₉H₂₀?

Nonane

What are alkanes built up from?

Only hydrogen and carbon

What is the name of C₅H₁₂?

Pentane

What is substitution?

The reaction between alkane and halogens

What is combustion?

The reaction between alkane and oxygen

What is the reaction of alkanes?

They are not very reactive

Why do melting and boiling points increase going down?

They destroy the bonds between molecules so the strength of the bonds between molecules increase going down

How are melting and boiling points effected?

They increase going down

What keeps the molecules together?

Van Der Waal's forces

Alkane + oxygen ------>

carbon dioxide + water

Propane + oxygen ------>

carbon dioxide + water

Methane + chlorine ----->

chloromethane + hydrogen chloride


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