3 years ago

What is an ion? What are the two ways in which an ion can be made?

1 answer:

3 0

Answer: Ions are formed by the addition of electrons to, or the removal of electrons from, neutral atoms or molecules or other ions; by combination of ions with other particles; or by rupture of a covalent bond between two atoms in such a way that both of the electrons of the bond are left in association with one of the ...

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What coefficient of h+ balances the atoms in this half-reaction h+ + mno2 → mn2+ + h2o?

kvv77 [185]

The answer is 4 im pretty sure

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3 years ago

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Changing the position of the increases or decreases your effort

MA_775_DIABLO [31]

Changing what position?

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3 years ago

What is the molarity of solution prepared by dissolving 11.75 g of KNO3 in enough water to produce 2.00 L of solution?

zysi [14]

The molar mass of the compound potassium nitrate, KNO3 is equal to 101.1032 g/mol. Then, we determine the number of moles present in the given amount,
n = 11.75g / (101.1032 g/mol) = 0.116 mol
Then, molarity is calculated by dividing the number of moles by the volume of the solution. The answer is therefore 0.058 M.

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3 years ago

Your friend the archaeologist, who studies the ancient human past, has asked you to find a numerical date for some hominid artif

natulia [17]

Answer:

I think it the carbon 14 which is a half life of 5730 because in 4.5billion years ago I don't think any human being existed on earth I'm not sure I hope that I helped you and good luck .

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3 years ago

How do the reaction rates change as the system approaches equilibrium?

Leni [432]

It becomes more stable
delta G gets closer to zero

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3 years ago