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a) O2 b) HCl Essay

1.

a)O2 b) HClc)O2Nd) H2S
2. a + symbol in a chemical equation means and or also. A -> symbol means
producers or equals.

In a chemical reaction a product is what is produced by the chemical
reaction and reactants are what creates the chemical reaction.

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3.

a) Balanced
b) Balanced
c) H2 + Cl2 -> 2HCl
d) N2 + 3H2 -> 2NH3
e) Mg + 2HCl -> MgCl2 +H2
f) 2Pb(NO3)2 -> 2PbO + 4NO2 + O2
4.

a) C + O2 pic CO
b) Na+HCl -> NaCl + H
c) SO2 + O2 pic O3
d) C12H22O11 -> C+ H2O
e) Fe + O2 -> FeO2
5.

a) Zinc Zn b) nitrate NO3c) aluminum Al d) Oxide O2
6. The valancy of metals are all positives they are all cations
7.

|Substance|Formula|Names of|Number of|total number |
| | |elements|atoms of each|of atoms in |
| | | |element|one molecule |
|Magnesium|MgO|Magnesium|1,1|2|
|oxide | |oxygen | | |
|Sulphur|SO2|Sulfate|1,2|3|
|dioxide| |oxygen | | |
|Ammonia|NH3|Nitrogen|1,3|4|
| | |Hydrogen| | |
|Hydrochloric |HCl|Hydrogen|1,1|2|
|acid| |Chlorine| | |
|Cane sugar|C12H22O11|Carbon |12,22,11|45|
| | |Hydrogen| | |
| | |Oxygen | | |
|Magnesium|MgSO4 |Magnesium|1,1,4 |6|
|suphate| |Sulfate| | |
| | |Oxygen | | |
|Hydrogen|H2O2|Hydrogen|2,2|4|
|peroxide| |Oxygen | | |
|Sodium |NaHCO3 |Sodium |1,1,1,3|6|
|hydrogen| |hydrogen| | |
|carbonate| |carbon oxygen| | |
8.a) 1 b) 2 c)3
9. a) Cl+Na -> NaCl
b) CO3+ Na-> NaCO3
c) PO3+Na -> NaPO3
10.

a) CuCl
b) (NH4)2CO3
c) PbCO3
d) (Fe)2(O)3
e) AgI
f) (Cu)2O
11.

a) silver bromide
b) sodium sulfate
c) iron chloride
d) lead nitrate
e) hydrochloric acid
f) copper oxide
Part B
1. Covalent bonding involves the sharing of electrons. Ionic
bonding involves the transfer of electrons
2.

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a) O2 b) HCl Essay
Artscolumbia
Artscolumbia
1.a)O2 b) HClc)O2Nd) H2S
2. a + symbol in a chemical equation means and or also. A -> symbol means
producers or equals.In a chemical reaction a product is what is produced by the chemical
reaction and reactants are what creates the chemical reaction.
3. a) Balanced
b) Balanced
c) H2 + Cl2 -> 2HCl
d) N2 + 3H2 -> 2NH3
e) Mg + 2HCl -> MgCl2 +H2
f) 2Pb(NO3)2 -> 2PbO + 4NO2 + O2
4. a) C + O2 pic CO
b) Na+HCl -
2019-01-11 04:34:26
a) O2 b) HCl Essay
$ 13.900 2018-12-31
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