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Kipish [7]
3 years ago
11

Which is an example of a precipitation reaction?

Chemistry
1 answer:
netineya [11]3 years ago
6 0
B. Precipitates are formed when two solutions combine to form another solution and a solid.
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The chemical elements display periodicity when they're arranged according toQuestion 10 options:A) atomic mass.B) atomic volume.
BartSMP [9]

The periodic table is an ordered way of representing chemical elements. They were ordered according to their atomic number, remember that the atomic number corresponds to the number of protons of the elements.

So the answer will be option C) Atomic Number

5 0
1 year ago
When 1.5 grams of magnesium burns, how many grams of magnesium oxide will be formed?
SashulF [63]
The balanced chemical reaction for this would be written as:

2Mg + O2 = 2MgO

We use this reaction and the amount of the reactant given to calculate for the amount of magnesium oxide that is produced. We do as follows:

1.5 g Mg (1 mol / 24.31 g) ( 2 mol MgO / 2 mol Mg ) (40.30 g /1 mol ) = 2.49 g MgO produced
6 0
3 years ago
4.) Calculate the density of carbon monoxide if 22.4 L of
KATRIN_1 [288]

Answer: Density (ρ) = 1.25 gram/liter

Explanation:

p=\frac{m}{v}

=\frac{28.0}{22.4}

= 1.25 gram/liter

4 0
3 years ago
2. A rock occupies a volume of 20 cm and has a mass of 54 grams. Find the density of<br> this rock.
vredina [299]
The answer is 2.7gm/cm^3 . Density is mass divided by volume .
6 0
3 years ago
The amount of energy it takes to remove an electron from an atom is A. atomic energy. B. electronegativity. C. ionization energy
Paladinen [302]
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3 0
4 years ago
Read 2 more answers
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