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Dennis_Churaev [7]
3 years ago
7

Match the standard reduction potentials for each half reaction and the electric potential for the voltaic cell.

Chemistry
1 answer:
Nady [450]3 years ago
8 0

Answer:

23

Explanation:

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The sample of smoke described above can be described as a heterogeneous mixture. This type of mixture do not have uniform properties and composition. So, getting a certain small sample would not represent the whole mixture since it does not have uniform composition. 
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3 years ago
Metallic copper is formed when aluminum reacts with copper(ii) sulfate. how many grams of metallic copper can be obtained when 5
exis [7]
Answer is: 127 grams <span>rams of metallic copper can be obtained.
</span>Balanced chemical reaction: 2Al + 3CuSO₄ → Al₂(SO₄)₃ + 3Cu.
m(Al) = 54.0 g.
n(Al) = m(Al) ÷ M(Al).
n(Al) = 54 g ÷ 27 g/mol.
n(Al) = 2 mol.
m(CuSO₄) = 319 g.
n(CuSO₄) = 319 g ÷ 159.6 g/mol.
n(CuSO₄) = 2 mol; limiting reactant.
From chemical reaction: n(CuSO₄) : n(Cu) = 3 : 3 (1 : 1).
n(Cu) = 2 mol.
n(Cu) = 2 mol · 63.55 g/mol.
n(Cu) = 127.1 g.
8 0
3 years ago
Need help with these two, solve only the ones you can though :D
ad-work [718]

Answer: 27 is A and 28 is C.

Explanation: I’ll explain 28 but not 27 because that’s just definitions.

In CuSO4 there is a Cu, an S, and 4 O molecules. Add them up you get 6.

7 0
2 years ago
In one to two sentences, describe the process by which the ionic compound, Licl, would dissolve in the polar solvent, CH3COCH3
charle [14.2K]

Answer:

Explanation:

the ability of ionic of LiCL its because of it's signification covalent character    

5 0
2 years ago
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I think the answer is A but I’m not 100% sure
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3 years ago
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