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Mnenie [13.5K]
3 years ago
15

What phase of matter changes volume when moved from one container to another ?

Chemistry
2 answers:
Sever21 [200]3 years ago
6 0

Answer:

gas

Explanation:

Nataly [62]3 years ago
3 0

Gas

Explanation:

The volume of gas varies inversely with the pressure, when temperature is kept constant.

If the amount of gas in a container is increased, the volume increases. If the amount of gas in a container is decreased, the volume decreases.

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According to the Arrhenius concept, which of the following substances is NOT a base in aqueous solutionsA. NH3B. LiOHC. NaOHD. H
olga_2 [115]

Answer:

NH₃ (Option A)

Explanation:

Arrhenius theory explained that the acids are the ones that have H⁺, either H in its formula. Following this, the bases are the ones that have OH⁻ , either OH and its formula.

It can be used only with compounds with H, or OH.

So the ammonia is not a base, as Arrhenius theory.

It is known that ammonia behaves as a weak base, but it does not have hydroxide ions that can yield to water

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3 years ago
Calculate the [oh] for 0.46 Hcl
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Answer:

2.17 e -14

Explanation:

A strong acid like HCl ionize 100 % in water so [H3O+] = 0.46 M

[OH-] = Kw /  [H3O+]

        =  1.0 e -14 / 0.46

         = 2.17 e -14

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3 years ago
Why are alkali metals so reactive?
Savatey [412]

Answer:

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Explanation:

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Structure of isobutyl formate
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Explanation:

4 0
3 years ago
What does the cardiovascular system do<br> for the human body?
SashulF [63]

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Explanation:

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