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777dan777 [17]
3 years ago
12

I SWEAR THIS IS WAY TOO EASY, WHY AM I THAT STUPID, HELP ME AND ILL MARK U BRAINLIEST

Chemistry
1 answer:
exis [7]3 years ago
5 0

Answer:

i think the first one is gravity and second one is rotation

Explanation:

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Why was Niels Bohr’s atomic model superior to all the earlier models?
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2) it explains tge quantization of energy.
3) it gives the concept of angular momentum of a revolving electron.
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Enter a balanced equation for the reaction between aqueous lead (II) nitrite and aqueous lithium chloride to form solid lead (II
Dominik [7]

Answer:

Pb(NO₂)₂(aq) + 2 LiCl(aq) ⇒ PbCl₂(s) + 2 LiNO₂(aq)

Explanation:

Let's consider the reaction between aqueous lead (II) nitrite and aqueous lithium chloride to form solid lead (II) chloride and aqueous lithium nitrite.

Pb(NO₂)₂(aq) + LiCl(aq) ⇒ PbCl₂(s) + LiNO₂(aq)

This is a double displacement reaction. We will start balancing Cl by multiplying LiCl by 2.

Pb(NO₂)₂(aq) + 2 LiCl(aq) ⇒ PbCl₂(s) + LiNO₂(aq)

Now, we have to balance Li by multiplying LiNO₂ by 2.

Pb(NO₂)₂(aq) + 2 LiCl(aq) ⇒ PbCl₂(s) + 2 LiNO₂(aq)

The equation is now balanced.

4 0
3 years ago
How many moles of carbon are in 25 grams of carbon
Brut [27]

Answer:

One mole of carbon would look like 25/12.01

Explanation:

Firstly, you will divide 25 by 12.01 and get 2.081598  

We know 1 mole equals the gram per atomic mass,  so one mole of carbon is 12.01 grams. In conclusion, it would look like 25/12.01.

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Which equation is used to calculate the specific heat of the metal?
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