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vivado [14]
3 years ago
9

Which represents the self ionization of water at 25 degrees

Chemistry
1 answer:
gayaneshka [121]3 years ago
7 0
This question comes with four answer choices:

<span>A. H2O + H2O ⇄ 2H2 + O2

B. H2O + H2O⇄  H2O2 + H2

C. H2O + H2O ⇄ 4H+ + 2O2-

D. H2O + H2O ⇄  H3O+ + OH-

Answer: option </span><span>D. H2O + H2O ⇄  H3O+ + OH-

(the +sign next to H3O is a superscript, as well as the - sing next to OH)

Explanation:

The self-ionization of water, or autodissociation, produces the two ions H3O(+) and OH(-). The presence of ions is what explain the electrical conductivity of pure water.

</span><span>In this, one molecule of H2O loses a proton (H+) (deprotonates) to become a hydroxide ion, OH−. Then, he <span>hydrogen ion, H+</span>, immediately protonates another water molecule to form hydronium, H3O+.
</span>
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Terry usually rides his bike at 15 mph. If his riding speed is reduced by 3 mph, how far can he ride in 1.7 hours? ___miles​
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20.4 miles.

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4 0
2 years ago
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Which of the following are chemical properties of baking soda? Choose all that are correct.
lord [1]
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8 0
3 years ago
When a hydrocarbon fuel is burned, almost all of the carbon in the fuel burns completely to form co2 (carbon dioxide), which is
xxTIMURxx [149]
<h3>Answer:</h3>

               1.5 × 10⁸ Kg of CO₂ / Year

<h3>Solution:</h3>

According to statement,

                        1 kwh generation produces  =  0.73 Kg of CO₂

So,

              700 kwh generation will produce  =  X Kg of CO₂

Solving for X,

                      X =  (700 kwh × 0.73 Kg) ÷ 1 kwh

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Also, as calculated,

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Then,

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Solving for X,

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                    X =  153300000 Kg of CO₂ / Year

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2 years ago
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         If    1.2 L of solution contains 0.97 mol
then let     1 L of solution contain  x   mol
     
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5 0
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