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kipiarov [429]
2 years ago
10

You have been asked to draw a Bohr model of the element carbon. How would you arrange the dots that represent electrons?

Chemistry
1 answer:
Dvinal [7]2 years ago
7 0

Answer:

You have been asked to draw a Bohr model of the element carbon. How would you arrange the dots that represent electrons? They would be embedded in a solid core. They would be in rings around the nucleus

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You calculate that your semester average in history is 97.5. When you get your report card, your average is 96. What was the per
andrew11 [14]
Ok percent error is abs(calculated-actual)/actual(100%)

So 1.5/96 *100%
5 0
3 years ago
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Uranium in the isotope below had 140 nutrons​
Brut [27]

Answer:

It has 140 neutrons because Mass number= No of protons + no of neutrons

4 0
3 years ago
Some fertilizer blends contain magnesium nitrate (MgNO3). Suppose that a chemist has 1.24 liters of a 2.13 M solution of magnesi
tamaranim1 [39]

Initial concentration of magnesium nitrate M1 = 2.13 M

Initial volume of magnesium nitrate, MgNO3  V1 = 1.24 L

Final concentration of MgNO3, M2 = 1.60 M

Let the final volume of MgNO3 upon dilution be V2

Formula to use:

M1*V1 = M2*V2

V2 = M1*V1/M2

      = 2.13 M * 1.24 L/1.60 M = 1.65 L

Thus, the final volume of magnesium nitrate solution upon dilution is 1.65 L

7 0
3 years ago
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What is the answer ?
Blizzard [7]

Answer: 4. A solution in which methyl orange is red

Explanation:

The others solutions are in their basic form while methyl orange is in it’s acidic form when red.

7 0
2 years ago
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At 25°c, the vapor in equilibrium with a solution containing carbon disulfide and acetonitrile has a total pressure of 250. torr
Sonbull [250]
For this question, we apply the Raoult's Law. The formula is written below:

P = P*x
where
P is the partial pressure
P* is the vapor pressure of the pure solvent
x is the mole fraction

The partial pressure is solved as follows:
P = Total P*x = (250 torr)(0.857) = 214.25 torr
Hence,
214.25 = (361 torr)(x)
<em>x = 0.593 or 59.3%</em>
8 0
3 years ago
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