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Nana76 [90]
3 years ago
15

What will change more solid NiCl2 is added

Chemistry
1 answer:
hodyreva [135]3 years ago
5 0
The Molarity will increase.
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Is pcl3 covalent or ionic
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Covalent Bond.

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What is the daughter nuclide when 0-15 experiences positron emission?
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The daughter isotope (a decay product)of O-15 = N-15(Nitrogen 15)

<h3>Further explanation </h3>

Radioactivity is the process of unstable isotopes to stable isotopes by decay, by emitting certain particles,  

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O-15 emits positron particles ₁e⁰, so the atomic number decreases by 1, the mass number is the same

Reaction

 \tt _8^{15}O\Rightarrow _7^{15}N+_1^0e

The mass number of the daughter isotope = 15, atomic number = 7

If we look at the periodic system, the element with atomic number 7 is Nitrogen (N)

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3 years ago
Which is a sign of a chemical change?
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The correct answer for the question it is option  

>>>>D<<<<

%100 sure 

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What percentage of radium 288 is left after 1600 years ? ( figure out the number of half-lives,then look at the chart above to f
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Find it ur self lol

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