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Lilit [14]
3 years ago
15

Which of the following characteristics is common to both acids and bases? a. They produce ions when dissolved in water. b. They

absorb oxygen ions when dissolved in water. c. They increase hydrogen ions when dissolved in a solution. d. They increase the hydroxide ions when dissolved in a solution.
Chemistry
2 answers:
Ulleksa [173]3 years ago
6 0

Answer: a. They produce ions when dissolved in water.

Explanation:

Acid : It is a substance that has ability of donating proton or hydrogen ion, H^+ when dissolved in water.

Acids are sour in taste.

The texture of an acid solution is sticky.

It changes the color of the litmus paper to red.

Base : It is a substance that has ability of donating hydroxide ion, OH^- when dissolved in water.

Base are bitter in taste.

The texture of an base solution is slippery.

It changes the color of the litmus paper to blue.

Thus both acids and bases produce ions when dissolved in water.

dsp733 years ago
5 0
<span>a. They produce ions when dissolved in water.

acids in water

</span>

<span>HA + H2O --> H3O+  + A-</span>

HA  --> H+  + A<span>-</span>

bases

B + H2O -->  OH -  +  BH+

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An atom in the ground state has seven valence electrons. This atom could be an atom of which element?
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3 0
3 years ago
Read 2 more answers
Please help! Consider the following reaction: 3H2S (g) + 3O2 (g)  2 SO2 (g) + 2H2O (g) If O2 was the excess reagent, 4.15 mol o
iren [92.7K]

Answer:

91.8 %

Explanation:

Data given:

Amount of H₂S = 4.15 mol

Amount of water (H₂O) = 68.55 g

Amount of oxygen O₂ = in excess

Percent yield of reaction water (H₂O) of water = ?

Reaction Given:

          2H₂S (g) + 3O₂ (g) ----------> 2SO₂ (g) + 2H₂O (g)

Solution:

First we look for the theoretical yield by looking in the reaction

          2H₂S (g) + 3O₂ (g) ----------> 2SO₂ (g) + 2H₂O (g)

As oxygen is in the excess so only H₂S amount act as limiting reagent.

           2H₂S (g) + 3O₂ (g) ----------> 2SO₂ (g) + 2H₂O (g)

             2 mol                                                       2 mol

to convert amount of H₂O from moles to grams

           mass in grams = no. of moles x molar mass

Molar Mass of H₂O = 2(1) + 16 = 18 g/mol

Put values in above equation

          mass in grams = 2 mol x 18 g/mol

          mass in grams = 36 g

So,

             3H₂S (g) + 3O₂ (g) ----------> 2SO₂ (g) + 2H₂O (g)

             2 mol                                                         36 g

As from the reaction it is clear that 2 mole of H₂S gives 36g H₂O then 4.15 mole will give how many grams of water

Apply unity formula

                         2 mol of H₂S ≅ 36 g of H₂O

                         4.15 mol of H₂S ≅ X g of H₂O

Do cross multiplication

                X g of H₂O =  36 g x 4.15 mol / 2 mol

                X g of H₂O =  74.7 g

So theoretical yield =  74.7 g of H₂O

Formula used for percent yield

            percent yield = actual yield / theoretical yield x 100

Put values in above equation

           percent yield = 68.55 g / 74.7 g x 100

           percent yield = 91.8 %

***Note

For SO₂ it is important to have actual yield. and implement same work.

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If blisters appear on your skin, do not mess with them as it can prevent infection.

How to kill poison ivy:
If you find the plant, do not pull or burn it. Even if you pull it, it will still grow out of the ground since you did not eliminate the roots of it. Burning it can release <span>urushiol into the air which can be harmful.
</span>It is recommended to use a specialized weed killing spray. Always look at the ingredients in the spray and look for: Triclopyr, which fights through the surface of the plant, and also <span>glyphosate, that helps kill the roots of the plant.
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4 0
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