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kirza4 [7]
4 years ago
9

Do acids have ph above 7?

Chemistry
2 answers:
Tema [17]4 years ago
8 0
No acids are only 1-6,7 is neutral and 8-14 are alkalis
nata0808 [166]4 years ago
5 0
No acids have a ph of less than 7 our rain is around a six. dilated water is a 7 and any thing above a 7 is a base
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The final charge on each of the three separated spheres in part (b) is +3.0 μC. How many electrons would have to be added to one
marishachu [46]

Answer:

1.873\times 10^{13} electrons should be added to one of these spheres to make it electrically neutral.

Explanation:

Total charge on each sphere =  +3.0 μC =3\times 10^{-6} C

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In order to neutralize the positive charge equal magnitude of negative charge is to be added.

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n=\frac{-3\times 10^{-6} C}{-1.602\times 10^{-19} C}=1.873\times 10^{13}

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4 0
3 years ago
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koban [17]

Answer:

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3 years ago
Which of these experimental designs could lead to bias?
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A reaction produces 0.883 moles of H₂O. How many molecules are produced?
prisoha [69]
The answer is 5.32 × 10²³ molecules

<span>Avogadro's number is the number of units (atoms, molecules) in 1 mole of substance:
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If 1 mole has </span>6.023 × 10²³ molecules, 0.883 moles will have x molecules:
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x = 6.023 × 10²³ molecules * 0.883 moles : 1 mole = 5.32 × 10²³ molecules
6 0
3 years ago
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