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3 years ago

Why Bohr's theory was inadequate?

1 answer:

6 0

Bohr’s theory was inadequate because it did not explain the energies absorbed and released by atoms with more than one electron. It worked well for hydrogen atoms but did not work when applied to more complex atoms.

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On average, how many hours of sleep do teenagers need each night? 7 hours 7.5 hours 8 hours 8.5 hours

Marrrta [24]

Answer:

8 to 8.5 since that is the recommended and people usualy sleep more than that

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3 years ago

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A pool owner adds a compound containing chlorine to the pool to disinfect it. However, too much of the compound is added. As a r

MrMuchimi

Answer: He could add a base to the pool to neutralize the acid.

Explanation:

Chlorine is used to disinfect the pools as it produces hypochlorous acid in water. This hypochlorous acid is unstable and gives hydrochloric acid and nascent oxygen which is used to disinfect.

$Cl_2+H_2O\rightarrow HOCl$

$HOCl\rightarrow HCl+O$

The excess acid is neutralized by adding base which produces salt and water and thus decrease the acidity.

$Acid+Base\rightarrow Salt+water$

Adding more acid would increase the acidity further.

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3 years ago

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What would happen if you left your dichloromethane/ethanol solvent mixtures uncovered?

Viktor [21]

Dichloromethane/ethanol solvent mixtures are substances composed of compounds that has a very high volatility. The higher the volatility of the substances, the faster it is for them to vaporized.

If we leave the solution or the mixture uncovered then, it is easier for the vapors produced to escape the system to the atmosphere.

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4 years ago

Water travels through many different pathways within the hydrologic cycle. For example, water vapor in the atmosphere could cond

Anit [1.1K]

It would most likely be D because that’s how most of the things would be processed but sorry if I’m wrong.

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2 years ago

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A chemist determines by measurements that 0.0200 moles of chlorine gas participate in a chemical reaction. Calculate the mass of

Schach [20]

Answer:

1.4200 g

Explanation:

The chlorine gas has a molecular formula Cl2. In table periodic, the molar mass of one atom of chlorine is 35.5 g/mol, so the molar mass of Cl2 is 71 g/mol.

Molar mass, mass and number of moles are related by the equation below:

$n = \frac{m}{MM}$

Where n is the number of moles, m is the mass, and MM is the molar mass of the compound.

So, for 0.0200 moles of Cl2 produced:

$0.0200 = \frac{m}{71}$

m = 71x0.0200

m = 1.4200

8 0

3 years ago

Why Bohr's theory was inadequate?​

Why Bohr's theory was inadequate?