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tigry1 [53]
3 years ago
7

How much of a sample of radio-isotope remais after one half life?

Chemistry
1 answer:
Tatiana [17]3 years ago
3 0

Half-life is defined as the time which is taken to reduce the initial amount of isotopes by half.


Hence, after one half-life, half of initial amount of isotopes will remain.

<span>
</span>

<span>The equation for the half-life, t1/2 = ln 2 / </span>λ,<span> where </span>λ <span>is the decay constant. </span>

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Explanation:

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Which possible discovery would be attributed to an inorganic molecule?
egoroff_w [7]

Answer:

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4 0
2 years ago
Read 2 more answers
Consider the following chemical equilibrium:
jok3333 [9.3K]

Answer:

Kc = [CH₄] / [H₂]²

Kp = [CH₄] / [H₂]² * (0.082*T)^-1

Explanation:

Equilibrium constant, Kc, is defined as the ratio of the concentrations of the products over the reactants. Also, each concentration of product of reactant is powered to its coefficient.

<em>Pure solids and liquids are not taken into account in an equilibrium</em>

Thus, for the reaction:

C(s)+ 2H₂(g) ⇌ CH₄(g)

Equilibrium constant is:

<h3>Kc = [CH₄] / [H₂]²</h3>

Now, using the formula:

Kp = Kc* (RT)^Δn

<em>Where R is gas constant (0.082atmL/molK), T is the temperature of the reaction and Δn is difference in coefficients of gas products - coefficients of gas reactants (1 - 2= -1)</em>

Replacing:

<h3>Kp = [CH₄] / [H₂]² * (0.082*T)^-1</h3>

<em />

4 0
4 years ago
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