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Thepotemich [5.8K]
3 years ago
5

Define: 1. acids, 2. strong acids, 3. weak acids.

Chemistry
2 answers:
Reika [66]3 years ago
4 0
H^+ = acid
OH^- = alkaline

Acids have a pH of below 7. The lower the number, the strongest the acid.
Sveta_85 [38]3 years ago
3 0

Answer:

1.substance that releases hydrogen ions when dissolved in water.

2.They ionise completely in water. All acid particles dissocate to release H+ ions

3.An acid that doesnt fully ionise in a soluble.

Small portion of acid particles dissocate to release H+ ions.

Explanation:

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2Ni(OH) → Ni2O + H2O <br> How many moles of water forms from 4.20 mol of nickel (I) hydroxide?
butalik [34]

Answer:

2.1 moles of water formed.

Explanation:

Given data:

Moles of water formed = ?

Moles of Ni(OH) = 4.20 mol

Solution:

Chemical equation:

2Ni(OH)    →  Ni₂O + H₂O

Now we will compare the moles of Ni(OH)  with water.

             Ni(OH)           :            H₂O

                2                 :              1

              4.20             :            1/2×4.20 = 2.1 mol

2.1 moles of water formed.

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Is air a compound mixture or a element.
GenaCL600 [577]

Is air a compound mixture or a element. compound

8 0
3 years ago
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The percent yield of a chemical reaction is valuable to many industries. Low percent yields can result in the loss of large amou
aev [14]

Using accurate measurements, using pure chemicals and performing the reaction under the most ideal conditions is important to get a valuable percent yield.

<h3>How we calculate the percent yield?</h3>

Percent yield of any chemical reaction is define as the ratios of the actual yield to the theoretical yield of the product and multiply by the 100.

To get the high percent yield or actual yield of any reaction, we have to perform the reaction under ideal condition because if we not use the standard condition then we get the low rate of reaction. Reactants should be present in the pure form as impurity make unwanted products and reduce the productivity of main product and accurate amount of reactants also important for the spontaneous reaction.

Hence, options (a), (b) & (c) are correct.

To know more about percent yield, visit the below link:

brainly.com/question/8638404

7 0
2 years ago
Which of the following statements is true about the sense of smell? Men and women smell the same number of odors. The amount of
puteri [66]

Answer:

I think it is B

which I think is the correct answer

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3 years ago
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Based on the results you observed for the iodine test and Benedict’s test, is it better to detect enzyme activity by measuring t
dlinn [17]

Answer:

Is better use the Benedict's test by the increase in the amount of the products if the enzyme is a reductase

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I hope you undestand me

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3 years ago
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