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Tcecarenko [31]
3 years ago
5

How many electrons would an atom need to have before it can begin filling the 3s sub level?

Chemistry
1 answer:
schepotkina [342]3 years ago
5 0
Well electrons are like electricity well it is partly if it went 3 sub levels the electrons would blow up some electricty<span />
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2 years ago
A certain half-reaction has a standard reduction potential E0red = +0.13V . An engineer proposes using this half-reaction at the
Ivan

Answer:

a. 1.23 V

b. No maximum

Explanation:

Required:

a. Is there a minimum standard reduction potential that the half-reaction used at the cathode of this cell can have?

b. Is there a maximum standard reduction potential that the half-reaction used at the cathode of this cell can have?

The standard cell potential (E°cell) is the difference between the standard reduction potential of the cathode and the standard reduction potential of the anode.

E°cell = E°red, cat - E°red, an

If E°cell must be at least 1.10 V (E°cell > 1.10 V),

E°red, cat - E°red, an > 1.10 V

E°red, cat - 0.13V > 1.10 V

E°red, cat > 1.23 V

The minimum standard reduction potential is 1.23 V while there is no maximum standard reduction potential.

4 0
3 years ago
Why is density referred to as a characteristic property of matter?
amm1812

Answer : Density of any particular matter remains the same at any concentration at any weight.


Density does not varies with the concentration. The formula for density is mass / volume.


So if the mass changes the density will change accordingly, also if the volume changes the density will get changed.


because, of the above reasons density is referred as a characteristic property of matter.

6 0
3 years ago
State Hess' law of constant heat summation.
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Answer:

-74.6 kj/mol

Explanation:

you can see the answer at the pic

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You are given 100 g of a compound. The compound is composed of 37% hydrogen and 63% oxygen. How many grams of hydrogen are prese
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