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Ainat [17]
3 years ago
13

The number of ions produced when a substance dissolves is always equal to the number of Adams in a chemical formula. What is inc

orrect about following statement?
Chemistry
1 answer:
german3 years ago
5 0
One thing incorrect is that when dealing with a compound, such as H2SO4, that has 7 atoms in the chemical formula, the polyatomic ion SO4 doesn’t dissociate into one Sulfur and four Oxygens. SO4 stays and a PAI.
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What is the bond formation of N and H
Zielflug [23.3K]

Answer:

A single bond, but it's also a hydrogen bond.

Explanation:

A hydrogen bond forms when hydrogen bonds to the 3 most electronegative atoms: Oxygen, Nitrogen, or Fluorine.

It's a single bond because hydrogen only has two valence electrons. Therefore, the rest of the electrons are placed around the nitrogen atom.

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2 years ago
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Brass and bronze are both (space) of copper because copper is the (space)
Vanyuwa [196]
I believe the first space is 1. alloys, and the second space is also 1. main. I don't know for sure but I hope this helps.
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3 years ago
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The density of air under ordinary conditions at 25 degrees * C is 1.19g / L . How many kilograms of air are in a room that measu
professor190 [17]

Answer:

33.3 kg of air

Explanation:

This is a problem of conversion unit.

Density is mass / volume

Therefore we have to calculate the volume in the room, to be multiply by density. That answer will be the mass of air.

Volume of the room → 9 ft . 11 ft . 10 ft = 990 ft³

Density is in g/L, therefore we have to convert the ft³ to dm³ (1 dm³ = 1L)

990 ft³ . 28.3 dm³ / 1ft³ = 28017 dm³ → 28017 L

This is the volume of the room, if we replace it in the density formula we can know the mass of air in g.

1.19 g/L = Mass of air / 28017 L

Mass of air = 28017 L .  1.19 g/L → 33340 g of air

Finally, let's convert the mass in g to kg → 33340 g . 1kg / 1000 g = 33.3 kg

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3 years ago
Which drug presents the greatest challenges to forensic science
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Tobacco is the number one drug
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Organic acids are weaker than inorganic once it is true or false​
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false

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