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34kurt
3 years ago
8

Which scientist was responsible for discovering the neutron? A. Niels Bohr B. Robert Millikan C. James Chadwick D. Ernest Ruther

ford
Chemistry
2 answers:
Murrr4er [49]3 years ago
6 0
A I think I cant remember so I hope im correct
allsm [11]3 years ago
6 0
C choice is correct.james chadwick
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Newton's second law of motion uses the formula which states that a force will cause a mass to accelerate. (f = m •
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The incredible catalytic power of enzymes can perhaps best be appreciated by imagining how challenging life would be without jus
ioda

Answer:

t = 7.58 * 10¹⁹ seconds

Explanation:

First order rate constant is given as,

k =  (2.303 /t) log  [A₀] /[Aₙ]

where  [A₀]  is the initial concentraion of the reactant; [Aₙ] is the concentration of the reactant at time, <em>t</em>

[A₀]  = 615 calories;

[Aₙ] = 615 - 480 = 135 calories

k = 2.00 * 10⁻²⁰ sec⁻¹

substituting the values in the equation of the rate constant;

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t = 2.303 / 3.037 * 10⁻²⁰

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8 0
3 years ago
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