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Chemistry > CH4 Chemical RXN's & Aqueous solution > Flashcards

CH4 Chemical RXN's & Aqueous solution Flashcards

1
Q

Strong electrolytes

A

mostly 100% ionized

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2
Q

Sulfurous acid

A

H2SO3

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3
Q

Nitrous Acid

A

HNO2

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4
Q

Nitric Acid

A

HNO3

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5
Q

Sulphuric Acid

A

H2SO4

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6
Q

Phosphoric Acid

A

H3PO4

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7
Q

Weak electrolytes

A

mixture of ions and un-ionized molecules

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8
Q

Arrow in both directions

A

there is balance between forward and reverse RXN

- CHEMICAL EQUILIBRIUM

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9
Q

Precipitate

A

an insoluble solid formed by a reaction in solution

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10
Q

Exchange reactions

A

aka Double displacement

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11
Q

Ionic equations

A

highlight the reactions between ions

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12
Q

Molecular equations

A

list complete chemical form

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13
Q

Net ionic equation

A

list ions not common on both sides

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14
Q

Acids

A

(proton donors) ionize in aq solution form H+ ion

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15
Q

Bases

A

(proton acceptors) accept or react with H+ ions

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16
Q

Strong acids & bases

A

strong electrolytes, completely ionized in solution

17
Q

Strong bases include…

A

Group A1 metal hydroxides

18
Q

Strong acids include

A

HCl , HBr, Hl, HCLO4, H2SO4, HNO3

19
Q

Weak acids/ bases

A

partially ionized in aq. solution

20
Q

Neutralization RXN’s

A

Acids & bases react to form a salt + water

21
Q

Ex. Neutralization rxn.

A

Mg(OH)2 + 2HCl = MgCl2 + 2H20

22
Q

Net ionic equation of

Mg(OH)2 + 2HCl = MgCl2 + 2H20

A

Mg(OH)2 + 2H = Mg2+ + 2H20

23
Q

Neutralization reaction w/ gas formation

A

sulfides (rather than OH-) react with acids to form gas

24
Q

ex. of sulfide gas formation

A

Na2S (aq) + 2HCl(aq) = H2S(g) + 2NaCl(aq)

25
Q

Net Ionic equation for :

Na2S (aq) + 2HCl(aq) = H2S(g) + 2NaCl(aq)

A

S2- + 2H+ = H2S(g)

26
Q

Carbonates & hydrogen carbonates form ___ when reacting with an acid

A

CO2 gas

27
Q

Sodium Bicarbonate Molecular formula

A

NaHco3 (baking soda)

28
Q

sodium bicarb + Hcl

A

NaHCO3(s) + HCl(aq) = NaCl(aq) + H2CO3 (aq) ——> H2Ol +CO2(g) + NaCl(aq)

29
Q

Oxidation- Reduction RXN’s

A

transfer of e- between reactants

30
Q

OIL RIG

A

Oxidation is Loss (of e-)

Reduction is Gain

Chemistry (11 decks)

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