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Salsk061 [2.6K]
3 years ago
8

The larger the pH scale value, the:

Chemistry
1 answer:
alexdok [17]3 years ago
3 0

Here is your answer

The larger the pH scale value, the:

lower the concentration of H3O+(hydronium ions ).

This is because

pH value is inversely proportional to concentration of H3O+ ions.

More pH value means the solution is more basic, so OH- ions concentration is more.

HOPE IT IS USEFUL

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Describe one way the respiratory and nervous system work together​
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<h2>♨ANSWER♥</h2>

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7 0
1 year ago
The density of osmium, which is the densest metal, is 22.57 g/cm^3. What is the mass of a block of osmium that measures 1.00 cm
olganol [36]
Density = Mass / Volume
V = 1.00 * 4.00 * 2.50 = 10 cm³
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7 0
3 years ago
Read 2 more answers
Describe the properties of alkali metals. Based on their electronic arrangement, explain whether they exist alone in nature.
bearhunter [10]

Answer:

- They are highly reactive metals

- They have low electro negativity

- They have low ionization energy

- They don't exist alone in nature

- They have low densities

Explanation:

Alkali metals are the elements in group 1 of the periodic table. They include Sodium, Lithium, Potassium e.t.c.

Due to the fact they have one atom in their outermost shell, they are very unstable because they easily react with other elements and are therefore don't exist alone in nature but combined with other elements for this same reason.

Since alkali metals don't easily attract other elements due to it's lone pair in the outer most shell, it can be said to have low electro negativity.

Also, they don't need energy to discharge their electrons since they are highly reactive due to their lone pair in the outermost shell and so we say they have low ionization energy.

Due to this reason, they also have low densities.

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Now, look at the question. We are asked that how much amount of energy would be required to raise the temperature of 25 g of water by (54-50) = 4 degree celsius.

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Q = m C (temperature difference)

Have a look at pic for answer

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3 years ago
Which phrase best summarizes how animals get water from the environment
adell [148]
What are the phrases to choose from?
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