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MariettaO [177]
3 years ago
11

Why carbon dioxide is much more soluble in alkaline solutions​

Chemistry
2 answers:
disa [49]3 years ago
8 0

Answer:

because co2 dissolve by water

rewona [7]3 years ago
3 0

Answer:

<em>Because CO2 dissolved in water is acidic: it forms carbonic acid. The second equilibrium below strongly favors dissolved CO2</em>

<em>Hope</em><em> </em><em>it</em><em> </em><em>will</em><em> </em><em>help</em><em> </em><em>you</em>

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julsineya [31]

Answer:

B.

Explanation:

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4 0
3 years ago
Read 2 more answers
What is the kinetic energy, in joules, of a molecule of carbon tetrachloride moving at a speed of 255 m s–1 (use the appropriate
hram777 [196]

Answer:

The kinetic energy of a molecule of carbon tetrachloride is 8.29 zJ.

       

Explanation:

The kinetic energy of a molecule of carbon tetrachloride is given by:

K = \frac{1}{2}mv^{2}

Where:

m: is the mass

v: is the speed = 255 m/s                            

To find the mass we need to find the molar mass for CCl₄, and use the Avogadro's number, knowing that in 1 mol of carbon tetrachloride we have 6.022x10²³ molecules:

A (C) = 12.011 g/mol

A (Cl) = 35.45 g/mol

The molar mass (M) of CCl₄ is:

M = A (C) + 4*A (Cl) = 12.011 g/mol + 4*35.45 g/mol = 153.81 g/mol

Now, the mass of 1 molecule of CCl₄ is:

m = 153.81 \frac{g}{mol}*\frac{1 mol}{6.022 \cdot 10^{23} molecules} = 2.55 \cdot 10^{-22} g = 2.55 \cdot 10^{-25} kg

Finally, the kinetic energy of a molecule of carbon tetrachloride is:

K = \frac{1}{2}mv^{2} = \frac{1}{2}2.55 \cdot 10^{-25} kg*(255 m/s)^{2} = 8.29 zJ

Therefore, the kinetic energy of a molecule of carbon tetrachloride is 8.29 zeptoJoule.

I hope it helps you!

6 0
4 years ago
Help me ples i will give branless just help
Elina [12.6K]

Answer:

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4 0
3 years ago
I need help ASAP!
MaRussiya [10]
Calcium reacts gently with water to give hydrogen and calcium hydroxide, which is only slightly soluble, thus slows down the reaction.

It will be assumed that hydrochloric acid used is a dilute aqueous solution.

However, calcium reacts with hydrochloric acid to give calcium chloride which is readily soluble in water, and hydrogen, being a typical reaction of relatively active metals with acids.
Ca(s) + 2HCl(aq)  -> CaCl2(aq) +H2(g) &uarr; + heat

The clues that it is a chemical reaction could be:
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- disappearance of a metallic solid in the solution
- heat formed during the vigorous reaction.

As silver is below hydrogen in the electrochemical series, it will not be expected to react with dilute hydrocloric acid. (however, it dissolves in oxidizing acid such as nitric acid, but not displacing hydrogen as a product).

8 0
3 years ago
How does the concept of polarity relate to bond formation and molecular shape?
Ket [755]

Answer: heyyyooo

The bond polarity for each bond in a BH3 molecule is polar, due to the difference in electronegativities of the B and H atom. The molecular shape is trigonal planar, and the molecule is non-polar - because due to the symmetry of the molecule, the polarities cancel out.

Explanation:

hope this helps!

5 0
3 years ago
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