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artcher [175]
3 years ago
15

What is the ionic formula for lithium oxide?

Chemistry
2 answers:
-Dominant- [34]3 years ago
5 0
Li20 Hope I Helped! :)
natali 33 [55]3 years ago
4 0
Li₂O is the ionic formula

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The time necessary for the decay of one- half sample of a radioactive substance is a _____. mass defect daughter half life nucli
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Answer: half life

Explanation: Radioactive decay follows first order kinetics and the time required for the decay of a radioactive material is calculated as follows:

t=\frac{2.303}{k}\hspace{1mm}log\frac{x}{a}

t= time required

k= disintegration constant

x= amount of substance left after time t

a= initial amount of substance

when one half of the sample is decayed, one half of the sample remains and t can be represented as t_{1/2}

at t= t_{1/2}, x=\frac{a}{2}

t_{1/2}=\frac{2.303}{k}\hspace{1mm}log\frac{a/2}{a}

t_{1/2}=\frac{0.693}{k}

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Name any two polymers which are formed by the process of condensation polymerization.
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What is the half life of the graphed material?
daser333 [38]

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3 hours

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To know the the correct answer to the question given above, it is important we know the definition of half-life.

The half-life of a substance is simply defined as the time taken for half the substance to decay.

Considering the diagram given above, the initial mass of the substance is 100 g.

Half of the initial mass = 100 / 2 = 50 g

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Considering the diagram given above, the time taken to get to 50 g is 3 hours.

Therefore, the half-life of the material is 3 hours.

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