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Kisachek [45]
3 years ago
15

Please help.

Chemistry
1 answer:
Anna35 [415]3 years ago
4 0

Answer:

9429.9

Explanation:

periodt

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Find the volume (in mL) of a substance that has a mass of 11.6 g and a density of 0.81 g/mL. Give your answer with two decimals.
ch4aika [34]

Answer:

14.83mL

Explanation:

11.6/0.81=14.3

7 0
3 years ago
Explain the importance of organisms that convert nitrogen from its diatomic form into other compounds?
spin [16.1K]

Explanation:

Bacteria play a key role in the nitrogen cycle.

Nitrogen-fixing microorganisms capture atmospheric nitrogen by converting it to ammonia— NH3start text, N, H, end text, start subscript, 3, end subscript—which can be taken up by plants and used to make organic molecules.

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2 years ago
The decomposition of ozone, O3, to oxygen, O2, is an exothermic reaction. What is the sign of q?
azamat

Answer:

The sign is negative (-)

Explanation:

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3 years ago
Arrange the following aqueous solutions, all at 25 ∘C, in order of decreasing acidity. 1 = most acidic; 4 = least acidic Rank fr
Akimi4 [234]

Answer:

1. 0.023 M H3O+.

2. pOH = 5.52.

3. pH=9.45

4. 0.0018 M OH-

Explanation:

Hello,

In this case, such order could be computed by means of the pH, the lower the pH the more acid the solution, thus:

1. 0.0018 M OH-:

pOH=-log(0.018)=1.744\\pH=14-pOH=12.2

2. 0.023 M H3O+

pH=-log(0.023)=1.64

3. pH=9.45

4.

pH=14-5.52=8.48

Therefore the order is

1. 0.023 M H3O+.

2. pOH = 5.52.

3. pH=9.45

4. 0.0018 M OH-

Best regards.

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Que tipo de uniones existen EN QUIMICA?
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Explanation:

The interatomic and the intermolecular. Interatomic Unions: They are those that are established between the atoms. There are three types. In two of them, the so-called Ionic and Covalent, the atoms try to

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Las interatómicas y las intermoleculares. Uniones Interatómicas: Son las que se establecen entre los átomos. Hay de tres tipos. En dos de ellas, las llamadas Iónicas y Covalentes, los átomos tratan de llegar a completar el último nivel con ocho electrones cumpliendo con la clásica teoría del octeto de Lewis.

8 0
4 years ago
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