MCQ
_____ refers to amount of electricity while _____ refers to rate at which it flows.
- AAmpere, coloumb
- BColoumb, ampere
- CFaraday, coloumb
- DColoumb, faraday
Explanation:
Coulomb refers to amount of electricity while ampere refers to rate at which it flows. Coulomb is the quantity of lctricity passed through a conductor/ electrolyte when a current of 1A strength flows for 1 second. In other words, coulomb = amperes × second.
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| Initial [A(g)]/mol dm-3 | Initial [B(g)]/mol dm-3 | Initial rate/mol dm-3S-1 |
| 3.0 x 10-2 | 2.0 × 10-2 | 1.89 x 10-4 |
| 3.0 x 10-2 | 4.0 × 10-2 | 1.89 x 10-4 |
| 6.0 x 10-2 | 4.0 x 10-2 | 7.56 × 10-4 |