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djyliett [7]
3 years ago
10

SCIENCE - Can someone tell me the ph level of rain water?

Chemistry
1 answer:
amid [387]3 years ago
8 0
Normal rainwater has a pH of 5.6<span> (slightly acidic)</span>
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If an isotope has an atomic number of 8 and a mass number of 18 how many neutrons
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It will be Oxygen . And total 8 protons, 8 electrons and 9 neutrons are present in it.
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In the gaseous state, chlorine exists as a diatomic molecule Cl2 (Molar mass = 70.9 g/mol). Calculate the number of moles of chl
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Answer:

3.67 mol Cl

Explanation:

We need to convert g of Cl 2 to moles of Cl. First we divide 130 gCl2  by the molar mass (70.90 gCl2/mol) to find out how many moles of Cl2 do we have.

130 gCl2 x \frac{1 mol Cl2 }{70.90 gCl2} = 1.83 mol Cl2

Then we need to convert 1.83 mol de Cl2 to moles of Cl. We have 2 moles of Cl in every Cl2 molecule so we just need to multiply by 2.

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8 0
3 years ago
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Answer:

Half will be green and half will be striped

Explanation:

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g   Gg   gg

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Half of the offspring will have Gg genotype so they will be green. Other half will have gg genotype so they will be striped.

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amm1812

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Explanation:

I ask mom

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2 years ago
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