| Quiz | Atom economy |
|---|---|
| Name | |
| Result | PASSED |
| Score | 7 / 8 (87.5%) |
| Passing score | 6.4 |
| Quiz took | 10 min 48 sec |
| Quiz finished at | 2022-05-25 13:55:30 |
Hydrogen can be manufactured by reacting methane with steam: CH4(g) + H2O(g) → 3H2(g) + CO(g) Calculate the atom economy for the reaction. (Relative atomic masses: H = 1, C = 12, O = 16)
Copper(II) oxide can be reduced by methane to produce copper using the reaction: 4CuO + CH4 → 4Cu + 2H2O + CO2 Calculate the atom economy for the reaction. (Relative atomic masses: Cu = 63.5, H = 1, O = 16, C = 12)
Aspirin C9H8O4 can be made by reacting salicylic acid C7H6O with ethanoyl chloride C2H3OCl C7H6O3 + C2H3OCl → C9H8O4+ HCl Calculate the atom economy for the reaction. (Relative atomic masses: Cl = 35.5, H = 1, O = 16, C = 12)
Ammonia can be manufactured using the following reaction: N2 + 3H2 → 2NH3 Calculate the atom economy for the reaction. (Relative atomic masses: H = 1, N = 14)
Ethanol can be used to produce ethene for the manufacture of plastics: CH3CH2OH → CH2=CH2 + H2O Calculate the atom economy for the reaction. (Relative atomic masses: H = 1, C = 12, O = 16)
Copper(II) oxide can be reduced by hydrogen to produce copper using the reaction: CuO + H2 → Cu + H2O Calculate the atom economy for the reaction. (Relative atomic masses: Cu = 63.5, H = 1, O = 16)
Iron can be extracted using the blast furnace reaction: Fe2O3(s) + 3CO(g) → 2Fe(l) + 3CO2(g) Calculate the atom economy for the reaction. (Relative atomic masses: Fe = 56, C = 12, O = 16)
Ethanol, C2H5OH, can be produced by the fermentation of glucose, C6H12O6: C6H12O6(aq) → 2C2H5OH(aq) + 2CO2(g) Calculate the atom economy for the reaction. (Relative atomic masses: H = 1, C = 12, O = 16)