Decomposition of X exhibits a rate constant of 0.05 mg/year. How many years are required for the decomposition of 5 g of X into 2.5 g?

a. |
50 |
b. |
25 |

c. |
20 |
d. |
40 |

Decomposition of X exhibits a rate constant of 0.05 mg/year. How many years are required for the decomposition of 5 g of X into 2.5 g?

a. |
50 |
b. |
25 |

c. |
20 |
d. |
40 |

1 Answer

5876 Votes

3537

Rate constant (K) = 0.05 g /year means zero order reaction

t_{1/2} = = = 50 year

An observer finds that the elevation of the top of a tower is and after walking 150 metres towards the foot of the tower he finds that the elevation of the top has increased to The height of the tower in metres is |

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