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3 years ago

How many bonds does carbon atom form

Chemistry

2 answers:

Neporo4naja [7]3 years ago

6 0

Answer: Four Bonds

Explanation:

coldgirl [10]3 years ago

6 0

A carbon atom can form at max four bonds, for example with Hydrogen. Since carbon has 4 electrons, it needs four more electrons to achieve the noble gas state. Carbon needs four more hydrogens, which has one electron, to bond four bonds

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The Ka1 value for oxalic acid is 5.9 x10-2 , and the Ka2 value is 4.6 x 10-5 . What are the values of Kb1 and Kb2 of the oxalate

andre [41]

Answer:

2.17x10⁻¹⁰ = Kb1

1.69x10⁻¹³ = Kb2

Explanation:

Oxalic acid, C₂O₄H₂, has two intercambiable protons, its equilibriums are:

C₂O₄H₂ ⇄ C₂O₄H⁻ + H⁺ Ka1 = 5.9x10⁻²

C₂O₄H⁻ ⇄ C₂O₄²⁻ + H⁺ Ka2 = 4.6x10⁻⁵

Oxalate ion, C₂O₄²⁻, has as equilibriums:

C₂O₄²⁻ + H₂O ⇄ C₂O₄H⁻ + OH⁻ Kb1

C₂O₄H⁻ + H₂O ⇄ C₂O₄H₂ + OH⁻ Kb2

Also, you can know: KaₓKb = Kw

<em>Where Kw is 1x10⁻¹⁴</em>

Thus:

Kw = Kb2ₓKa1

1x10⁻¹⁴ =Kb2ₓ4.6x10⁻⁵

And:

Kw = Kb1ₓKa2

1x10⁻¹⁴ =Kb1ₓ5.9x10⁻²

<em>That is because the inverse reaction of, for example, Ka1:</em>

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2 years ago

What were schools like the first half of Henry's life? How do you think this affect his education? Answer BOTH questions in comp

Lorico [155]

Answer:

Not sure.

Explanation:

Who is Henry?

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2 years ago

2L of hydrogen has an initial pressure of 750 mmHg, what is the final pressure in mmHg if the volume increases to 20 L with a co

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Answer: The final pressure is 75 mm Hg.

Explanation:

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Since, it is given that the temperature is constant. Hence, formula used is as follows.

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Substitute the values into above formula as follows.

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Thus, we can conclude that the final pressure is 75 mm Hg.

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Answer:

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