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chemistry As > writing chemical equations > Flashcards

writing chemical equations Flashcards

1
Q

what ions does carbonate forms

A

CO3^-2

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2
Q

what ions does hydrogencarbonate

A

HCO3^-

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3
Q

what ions does hydride

A

H^-

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4
Q

what ions does phosphate

A

PO4^3-

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5
Q

what ions does hydroxide

A

OH^-

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6
Q

what ions does chlorate

A

ClO3^-

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7
Q

what ions does nitrate

A

NO3^-

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8
Q

what ions does sulfate

A

SO4^2-

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9
Q

does H2 dissolve in water and if it does what ions does it form

A

non and no because it’s a gas (and reaching its condensation it would turn water to ice)

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10
Q

does CL2 dissolve in water and if it does what ions does it from

A

doesnt dissolve because its a gas (and reaching its condesation it would turn water to ice)

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11
Q

does KCl dissolves in water and if it does what ions does it from

A

does dissolve to form K^+ ions, Cl^-1

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12
Q

does 2NaCl dissolve in water and if it does what ions does it from

A

does dissolve to form Na2^+ Cl2^-

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13
Q

does MgCl2 dissolve in water and if it does what ions does it from

A

does dissolve to form Mg^2+ Cl2 ^ -

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14
Q

what is STOICHIOMETRY

A

The ratio in which the reactants react and which the products are produced is called the STOICHIOMETRY of the reaction.

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15
Q

what makes sulfate salts special?

A

they are soluble in water

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16
Q

how can reactions involving ionic compounds be written?

A

Reactions involving ionic compounds can be written as IONIC EQUATIONS

They focus on the IONS that react together and ignore the ones that do NOT take part in the reaction.

NB: When dealing with IONIC Equations, the TOTAL of the CHARGES on each side should be the same.

17
Q

what are spectator ions

A

is an ion that does not take part in the chemical reaction and is found in solution both before and after the reaction.

18
Q

what is the difference between the net ionic equations / normal ionic equations

A

net ionic equations remove spectator ions while ionic equations

19
Q

what happens to functional groups like SO4^-2, OH^, 2NH4 in net ionic compounds

A

they do not break when simplified (i.e they stay together)

20
Q

what is the state of the compound that we break when simplifying ionic equations

A

the one dissolved in water (aq)

21
Q

what are the 3 uses of ionic equations

A
  1. neutralization
  2. precipitation
  3. displacement
22
Q

what is iron(II) sulfate

23
Q

what is Iron(III) Oxide

24
Q

what are reversible equations

A

equations that can go both forward and reverse

25
Q

when do we use ionic half equations

A

we write them for reactions involving oxidation and reduction. and they usually happen to one side of the reactant

chemistry As (93 decks)

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