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xz_007 [3.2K]
2 years ago
8

Please help me thank you so much <3

Chemistry
2 answers:
AfilCa [17]2 years ago
8 0

Answer:

I believe C.

Explanation:

I am not 100% sure, but try C.

hope this helps.

algol132 years ago
3 0

Answer:

Your answer is B.

Explanation:

The nucleus contains DNA

Have a nice day!! ;)

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Write a balanced half-reaction for the reduction of gaseous nitrogen (N2) to aqueous hydrazine (N2H4) in basic aqueous solution.
weqwewe [10]

Answer:

N₂(g) + 4H⁺(aq) + 4e⁻ → N₂H₄(aq)

Explanation:

The half reaction for the reaction for the reduction of gaseous nitrogen to aqueous hydrazine is;

N₂(g) → N₂H₄(aq)

The balancing the atoms in the half reaction. Hydrogen atom is balanced by adding hydrogen ions (H⁺)

We have;

N₂(g) + 4H⁺(aq) → N₂H₄(aq)

Then we balance the charge on both sides by adding electrons where the positive charge is greater;

we have;

N₂(g) + 4H⁺(aq) + 4e⁻ → N₂H₄(aq)

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3 years ago
The density of aluminum is 2.7 g/ml. if the aluminum has a volume of 10 ml, what is the mass of the aluminum?
Pepsi [2]
Density x volume = mass
2.7 x 10 = 27g
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3 years ago
In your own words right a definition of earth core
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A cube has sides that are 0.03 m . What is the volume of the cube in liters?
Marizza181 [45]

Answer:

0.027 litres

Explanation:

volume of cube = length × base area

volume of cube = 0.03m ×( 0.03m × 0.03m )

volume of cube = 0.03m × ( 0.0009m^2 )

volume of cube = 0.000027m^3

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