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Chemistry Nat 5 > Unit Two > Flashcards

Unit Two Flashcards

1
Q

Describe endo and exothermic reactions

A

Takes in heat= endo
Releases heat= exo

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2
Q

Hydrocarbons and alcohos that burn in plentiful supply of oxygen produce

A

Co2 and water

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3
Q

What is combustion

A

A substance that reacts w oxygen to produce energy

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4
Q

What are uses of carboxylic acids

A

Preparation of preservatives
Soaps
Medicines
Vinegar
Cleaning
Food

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5
Q

What is vinegars molecular formula

A

Ethanoic acid CH3COOH

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6
Q

what happens to carboxylic acids as they increase in size

A

Strength of intermolecular forces increase
Mp and Bp increase

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7
Q

Alcohol uses

A

Fuels
Solvents

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8
Q

What is the general formula for alcohols

A

CnH2n+1OH

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9
Q

Alkenes undergo addition reactions
What are they

A

Hydrogen forming alkanes hydrogenation

Halogens forming digaloalkanes

Water forming alcohols- hydration

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10
Q

What is the functional group of alkenes

A

Carbon to carbon double bond

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11
Q

General formula of alkanes

A

CnH2n+2

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12
Q

Cycloalkane properties

A

Saturated
Fuels and solvents
Insoluble in water
CnH2n

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13
Q

What is an isomer

A

A compound with the same molecular formula but different structure formula

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14
Q

What is a homologous series

A

A family of compounds with the same general formula and similar chemical properties

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15
Q

What are unsaturated hydrocarbons

A

Single carbon to carbon bond

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Chemistry Nat 5 (3 decks)

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