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Fed [463]
3 years ago
12

Facts about diane abbott

Chemistry
1 answer:
Elenna [48]3 years ago
7 0
Diane Julie Abbott is a British Labour Part Politician. She has been the Member of Parliament for Stoke Newington since 1987. She became the first black woman to be elected to the House of Commons. Born in September 27th 1953 Married to David Thompson. Education: Newnham College, University of Cambridge
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a factor of 8, it means that A is now only 1/8 of its original concentration. A first order reaction, where A → products, has a
Trava [24]

Answer:

It takes 1.32x10⁻⁷s for the concentration of A to fall by a factor of 8

Explanation:

The equation that represents a first-order kinetics is:

Ln ([A] / [A]₀] = -kt

<em>Where [A] is actual concentration, [A]₀ is initial concentration, K is rate constant (For the given problem, 1.57x10⁷s⁻¹ and t is time.</em>

<em />

As you want the time when you have [A] in a factor of 8 = [A] / [A]₀ = 1/8

Replacing:

Ln ([A] / [A]₀] = -kt

Ln (1/8) = -1.57x10⁷s⁻¹*t

t = 1.32x10⁻⁷s

<h3>It takes 1.32x10⁻⁷s for the concentration of A to fall by a factor of 8</h3>

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How many mols of H2SO4 is in 0.80 L of 1.40 M H2SO4?
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