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devlian [24]
3 years ago
7

Which statement supports one of Dalton's contributions to the atomic theory?

Chemistry
2 answers:
Mnenie [13.5K]3 years ago
6 0
<span>C) The element nitrogen is made up of carbon and nitrogen</span>
Readme [11.4K]3 years ago
4 0
The right answer is B)
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Which of the following statements best compares the pH value of H3PO4 and HCl?
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Answer:

Option B. Both have a pH less than 7, but H3PO4 has a lower pH than HCl

Explanation:

Those are acid, so the pH would be < 7.

H₃PO₄ is a weak acid with 3 dissociations

HCl is a strong acid.

pH depends on [H]⁺

H₃PO₄  →  3H⁺  +  PO₄⁻³

HCl →  H⁺  +  Cl⁻

If both acid, have the same concentration, [H⁺]H₃PO₄ > [H⁺]HCl, that's why the pH from the phosphoric will be lower.

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3 years ago
The electron dot structure for CI is
finlep [7]
The correct option is C.
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Which of the following is generally true of female bones in relationship to male bones?
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