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Sati [7]
3 years ago
6

One mole of Beryllium weighs 9.0122 grams. How many atoms of Beryllium are

Chemistry
1 answer:
Butoxors [25]3 years ago
7 0

Answer:

4

Explanation:

cause 1 mole of beryllium weighs 4gram

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The equation below shows lithium reacting with nitrogen to produce lithium nitride. 6Li + N2 mc007-1.jpg 2Li3N If 12 mol of lith
andrew11 [14]

Answer is: 4.0 mol of lithium nitride would be produced.

Balanced chemical reaction: 6Li + N₂ → 2Li₃N.

n(Li) = 12 mol; amount of substance.

From chemical reaction: n(Li) : n(Li₃N) = 6 : 2 (3 : 1).

n(Li₃N) = n(Li) ÷ 3.

n(Li₃N) = 12 mol ÷ 3.

n(Li₃N) = 4 mol; amount of lithium nitride.

4 0
3 years ago
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Howmany copper atoms there is in Copper(II) oxide?​
Oxana [17]

Answer:

copper(ll) has 4 oxygen atoms

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3 years ago
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The reaction converting glycerol to glycerol-3-phosphate is energetically unfavorable by 9.2 kJ. The reaction of ATP with water
maw [93]

Answer:

ΔG for overall reaction :  -21.3 kJ

Explanation:

Reaction of the conversion of glycerol to glycerol-3-phosphate is unfavorable and thus is coupled with second reaction that involves the conversion of ATP to ADP which is highly energetically favorable.

Reaction 1:  Glycerol + HPO₄²⁻ ⇒ Glycerol-3-phosphate + water

Reaction 2:             ATP  + H₂O ⇒ ADP + HPO₄²⁻ + H⁺

ΔG for reaction 1 : 9.2 kJ (non-spontaneous : Positive value)

ΔG for reaction 2 : -30.5 kJ (spontaneous : Negative value)

The overall coupled reaction is:

<u>Glycerol + ATP ⇒ Glycerol-3-phosphate + ADP + H⁺</u>

<u>ΔG for overall reaction : 9.2 kJ + (-30.5 kJ) = -21.3 kJ</u>

negative sign signifies that the overall reaction is spontaneous.

5 0
4 years ago
the bohr model is an inaccurate model of the atom because there is no way to measure the exact of an electron in an atom
Liono4ka [1.6K]
The Bohr model is an inaccurate model because there is no way to measure the exact position or location of an electron in an atom.
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3 years ago
The relative molecular mass of lead (ii) triozonitrate (v) is [pb = 108, N = 14, O = 16]
Soloha48 [4]

Answer:

need

Explanation:

points

7 0
4 years ago
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