Question | Answer |
Complete combustion formula: | propane + oxygen carbon dioxide + water C3H8 (g) + 5O2 (g) 3CO2 (g) + 4H2O (g) |
Incomplete combustion formula: | propane + oxygen carbon + carbon monoxide + water C3H8 (g) + 3O2 (g) C (s) + 2CO (g) + 4H2O (g) |
Haber Process formula: | nitrogen + hydrogen <-> ammonia + heat N2 (g) + 3H2 (g) <-> 2NH3 (g) ∆H = -92 kJ/mol |
Sulfate Content in Fertilizer formual: | Barium chloride + sulfate <-> barium sulfate + chloride BaCl2 (aq) + SO42- (aq) <-> BaSO4 (s) + 2Cl- (aq) |
The Heavy-Metal Sulfide Test: | The sulfide-test is based on the following equilibrium: S2- (aq) + 2H3O+ (aq) <-> H2S (aq) + 2H2O (l) |
acid + base | salt + water |
acid + metal | salt + hydrogen gas |
acid + carbonate | carbon dioxide gas + salt + water |
hydrocarbon + oxygen | water + carbon dioxide |
Y + X (anion) | X + Y (anion); where Y > X on activity series. |
Cracking of pentane: | pentane --> ethylene + propane C5H12 (g) --> C2H4 (g) + C3H8 (g) |
Hydrogenation of ethylene: | ethylene + hydrogen --> ethane C2H4 (g) + H2 (g) --> C2H6 (g) |
Hydration of ethylene: | ethylene + water -->(h3PO4 cat) ethanol C2H4 (g) + H2O (l) --> C2H5OH (l) |
Halogenation (more specifically, Chlorination) of ethylene: | ethylene + chlorine 1,2-dichloroethane C2H4 (g) + Cl2 (g) --> C2H4Cl2 (l) |
Hydrohalogenation (more specifically, Hydrofluorination) of ethylene: | ethylene + hydrogen fluoride --> fluoroethane C2H4 (g) + HFl (g)--> C2H5Fl (g) |
cyclohexene + bromine + water (formula) | 2-bromo-1-cyclohexanol + hydrogen bromide C6H10 (l) + Br2 (aq) + H2O (l) --> C6H10BrOH (l) + HBr (aq) |
Dehydration of ethanol (formula) | ethanol --> (H2SO4) ethylene + water C2H5OH (l) --> (H2SO4) C2H4 (g) + H2O (l) |
ethanol + oxygen carbon dioxide + water (give formula) | C2H5OH (l) + 3O2 (g) --> 2CO2 (g) + 3H2O (g) |
glucose ethanol + carbon dioxide (give formula) | C6H12O6 (aq) -->( +yeast) 2C2H5OH (aq) + 2CO2 (g) |
zinc + copper sulfate zinc sulfate + copper (give formula) | Zn (s) + CuSO4 (aq) --> ZnSO4 (aq) + Cu (s) |
zinc + copper(II) ion + sulfate ion --> zinc(II) ion + sulfate ion + copper | Zn + Cu2+ + SO42- --> Zn2+ + SO42- + Cu |
zinc + copper(II) ion --> zinc(II) ion + copper | Zn (s) + Cu2+ (aq)--> Zn2+ (aq) + Cu (s) |