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Chemistry 11U > Chemistry unit test 1 (reactions) > Flashcards

Chemistry unit test 1 (reactions) Flashcards

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1
Q

What are the three types of double displacement reactions?

A

Acid/Base reaction - neutralization (Reactions that form water)
Precipitation reaction (Reactions that form solid)
Unstable product - undergoes subsequent decomposition (Reactions that form gas)

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2
Q

What can a metal replace in a displacement reaction?

A

Another metal or hydrogen IF the metal is HIGHER on the series

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3
Q

What can a non-metal replace in a displacement reaction?

A

Another non-metal IF the non-metal is HIGHER on the series

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4
Q

What happens when a double displacement reaction creates an unstable product?

A

A gas is produced, which then undergoes immediate decomposition into water and a gas

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5
Q

What are the 5 main types of chemical reactions?

A

Synthesis
Decomposition
Combustion
Single displacement
Double displacement

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6
Q

What is synthesis?

A

many reactants, one product

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7
Q

What is decomposition?

A

one reactant, many products

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8
Q

What is combustion?

A

burning in o2, common products : H20 + C02

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9
Q

What is single displacement?

A

metal replaces another metal in a compound

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10
Q

What is double displacement?

A

both metals replace each other

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11
Q

What are the four types of synthesis reactions?

A

Synthesis of an ionic compound (metal + non-metal : sodium chloride)
Synthesis of an oxide, metal or non-metal (02 is a reactant)
Synthesis of a base (metal oxide in water)
Synthesis of an acid (non-metal oxide in water)

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12
Q

What are the four types of decomposition reactions?

A

Decomposition of a binary compound INTO its elements
Decomposition of a metal nitrate INTO a metal nitrate and oxygen gas
Decomposition of a metal carbonate INTO a metal oxide and carbon (IV oxide gas)
Decomposition of a metal hyrdoxide INTO metal oxide and water

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13
Q

What are the two unstable products that undergo immediate decomposition?

A

H2CO3 Carbonic acid -> H2O(l) + CO2(g)
NH4OH Ammonium hydroxide -> H2O(l) + NH3(g)

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14
Q

What usually accompanies a complete combustion reaction?

A

No visible products
Light and heat
Invisible blue flame

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15
Q

What usually accompanies a incomplete combustion reaction?

A

Visible products
Vapour
Soot
Yellow flame

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16
Q

What is HOFBrINCl

A

Elements that cannot be alone and always need a partner of themselves

Chemistry 11U (2 decks)

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