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# The reaction, Y $$\rightarrow$$ Product is of first order with the initial conce...

### Question

The reaction, Y $$\rightarrow$$ Product is of first order with the initial concentration of Y = 3.55 $$\times$$ 10$$^{−3}$$ moldm$$^3$$ and the rate constant of 5.25 $$\times$$ 10$$^{−3}$$s$$^{−1}$$. What is the half-life of the reaction?

A) 350s

B) 215s

C) 132s

D) 615s

### Explanation:

$$t_{1/2} = \frac{ln(2)}{k} =\frac{0.693}{5.25 \times 10^{-3}} = 132s$$

Explanation provided by Hakym K

## Dicussion (1)

• $$t_{1/2} = \frac{ln(2)}{k} =\frac{0.693}{5.25 \times 10^{-3}} = 132s$$