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Alchen [17]
4 years ago
9

Salt breaks into a chlorine ion and sodium ion when dissolved in water. The chlorine ion has a negative charge. Which end of the

water molecule would surround the chlorine ion?
The positive, oxygen end

The negative, hydrogen end

The positive, hydrogen end

The negative, oxygen end
Chemistry
1 answer:
Monica [59]4 years ago
3 0
The positive, hydrogen end.<span />
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What is the Ka of a 0.0796 M solution of nitrous acid (HNO2) with a pH of 2.95?
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Answer:

Coefficient = 1.58

Exponent = - 5

Explanation:

pH = 2.95

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Therefore ;

[H+] = 10^-2.95

[H+] = 0.0011220 = 1.122 × 10^-3

Ka = [H+] / molar concentration

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Write a nuclear reaction for the neutron-induced fission of u−235 to form xe−144 and sr−90.
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Answer:

235/92U+10n→144/54Xe+90/38Sr+2/10n

Explanation:

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235/92U+10n→144/54Xe+90/38Sr+2/10n

  • In nuclear fission reactions a heavy nuclide is split into two light nuclides and is coupled by the release of energy.
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