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Alik [6]
3 years ago
11

Which substance is amphiprotic?

Chemistry
1 answer:
Aleonysh [2.5K]3 years ago
4 0
Amphiprotic substances

An amphiprotic substance is a substance that can donate or accept a proton, H+

For a substance to be amphiprotic it must

<span>contain a hydrogen atom which is able to be donated to another chemical species.be able to accept a hydrogen ion from another species.</span>

Examples of amphiprotic species include H2O, HCO3-, HSO4-, HPO42- and H2PO4<span>-</span>

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Which of the following is a small-scale, sudden natural change?
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D because yes it works very slow 
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Water droplets forming on the inside of a cold windshield is an example of
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Condensation I think.
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Read 2 more answers
Express the quantity 556.2 x 10^-12 in each units<br> A.) ms<br> B.) ns<br> C.) ps<br> D.) fs
zavuch27 [327]
The answer:
we should know the meaning of each abbreviation:
ms means  millisecond, its value is 10^-3 s 
ns means  means  nanosecond,   its value is 10^-9 s
ps means  picosecond, its value is 10^-12 s
fs means  femtosecond, its value is 1x 10^15 s

<span>Expressions of the quantity 556.2 x 10^-12 are</span>
556.2 x 10^-12 =556.2 ps
556.2 x 10^-12 =556.2 x 10^-9 x 10^-3= 556.2 x 10^-9 ms
556.2 x 10^-12 = 556.2 x 10^-3 x 10^-9 = 556.2 x 10^-3 ns
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6 0
3 years ago
Which substance has a mass is 13.5 grams, and its volume is 5 cm 3.
solmaris [256]

Answer:

Substance is Aluminium

Explanation:

We are given;

Mass; m = 13.5 grams

Volume; V = 5 cm³

Formula for density is;

density = m/V

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Density = 2.7 g/cm³

From the table attached, we can see that the element with a corresponding density of 2.7 is Aluminium

5 0
3 years ago
Suppose you have a mixture of copper sulfate (CuSO4) and azulene (C10H8, you may wish to know the structure of azulene). Both co
iVinArrow [24]

Answer:

Aqueous layer (1 M HCI)

Explanation:

First of us I want to remind you of the cliché in chemistry that like dissolves like. In solvent extraction, a mixture is dissolved in a system consisting of two immiscible solvents. One layer is organic while the other layer is aqueous.

Polar substances partition in the aqueous layer while nonpolar substances partition in the organic layer.

Since Copper sulfate is ionic, we will find it in the aqueous layer according to the old chemistry cliche.

3 0
3 years ago
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