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DC Chemistry > Chemical Equations > Flashcards

Chemical Equations Flashcards

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1
Q

Metal + Water —>

A

Metal Hydroxide + Hydrogen

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2
Q

Metal + Steam —>

A

Metal Oxide + Hydrogen

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3
Q

Metal + Acid —>

A

Salt + Hydrogen

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4
Q

Metal + Oxygen —>

A

Metal Oxide

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5
Q

What is always a product when an Acid and Base / Alkali mix?

A
  • Salt + Water…
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6
Q

Acid + Metal Oxide —>

(Base)

A

Salt + Water

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7
Q

Acid + Metal Hydroxide —>

A

Salt + Water

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8
Q

Acid + Metal Carbonate —>

A

Salt + Water + CO2

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9
Q

Complete Combustion

Fuel + Oxygen —>

(A fuel is any hydrocarbon)

A

CO2 + Water

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10
Q

Incomplete Combustion

Fuel + Oxygen —>

A

Carbon Monoxide + Water + Soot (Carbon)

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11
Q

What is an Oxidation reaction?

A
  • Gaining oxygen
  • Losing electrons
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12
Q

What is a reduction reaction?

A
  • Gain of Electrons
  • Loss of oxygen
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13
Q

What is a redox reaction?

A
  • One of the reactants oxidises
  • One of the other reactants reduces
  • BOTH have happened
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14
Q

What is a displacement reaction?

A
  • When a more reactive element steals from a less reactive element
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15
Q

What is Thermal decomposition?

A
  • Using heat to break down a substance
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16
Q

What is dynamic equilibrium in a reversible reaction?

A
  • Rate of forward reaction = Rate of backward reaction
  • The reactions happen simultaneously
  • Concentration of products and reactants are constant
17
Q

What is a reversible reaction?

A
  • The forward and backwards reaction occur at the same time
18
Q

What is a combustion reaction?

A
  • Combustion happens when a substance reacts with oxygen when burned in air (oxygen)
19
Q

What is a subsitution reaction?

A
  • When one atom replaces another (H being replaced by Br)
20
Q

What is an addition reaction?

A
  • When an atom is added to an unsaturated molecule
21
Q

What is a cracking reaction?

A
  • A large hydrocarbon being broken down into smaller chain hydrocarbons (two one alkane and one alkene)
  • It needs a catalyst of Aluminium oxide and 650 degrees temperature
22
Q

What is a neutralisation reaction?

A
  • Acid + Base / Alkali —> Salt + Water

DC Chemistry (21 decks)

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