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Masja [62]
3 years ago
15

Which of the following statements about Bohr's model of the atom is true? Bohr's model explains the chemical behavior of all ato

ms.
Bohr’s model does not take into account the interactions multiple electrons would have with one another.
Bohr's model explains the spectra of atoms with more than one electron.
Bohr's model takes into account the interactions multiple electrons would have with one another.
Chemistry
2 answers:
madreJ [45]3 years ago
7 0

Assessment started: undefined.

Item 1

Which statement is true about the electrons in the Bohr model of an atom?

They are equally close to the nucleus.

dsp733 years ago
3 0

I believe the answer is "Bohr's model explains the chemical behavior of all atoms."

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What type of change is boiling water? Why?
Kobotan [32]
It'd be a physical change. This is because it's a change in the state of matter and not altering the chemical structure of water
5 0
3 years ago
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if I have 22.1 grams of CO2 gas at -188 degrees Celsius and 165 ml what is the pressure of the gas in kPa​
Harman [31]

Answer:

P = 2.145kPa

Explanation:

Mass = 22.1g

Molar mass of CO2 = 44g/mol

Vol = 165mL = 0.165L

T = -188°C = (-188 + 273.15)K = 85.15K

R = 8.314J/mol.K

From ideal gas equation,

PV = nRT

P = pressure of the ideal gas

V = volume the gas occupies

n = number of moles if the gas

R = ideal gas constant

T = temperature of the gas

n = number of moles

n = mass / molar mass

n = 22.1 / 44 = 0.50moles

PV = nRT

P = nRT/ V

P = (0.5 × 8.314 × 85.15) / 0.165

P = 2145.26Pa = 2.145kPa

Pressure of the gas is 2.145kPa

6 0
3 years ago
1. In which of these forms does acid precipitation reach the surface of<br><br> Earth?
vodomira [7]

Answer:

Wet deposition

Explanation:

when the chemicals produced in the Earth can evaporate and reach the clouds, it will mixed with the water inside the clouds and form a slightly acid water than when is time to deposit the water into the Earth as snow, rain, fog or mist, the chemicals will travel with the water dissolved in it.

When they reach the soil, eventually, the water will  evaporate or will be absorbed by soil, so the chemicals that are left behind, will reach the surface of Earth.

Depending where the chemicals were deposit, they can contaminate the sea, or other water bodies, or soil areas of crops, buildings, etc.

Hope this info is useful.

5 0
3 years ago
The number 4012 has how many significant figures?​
grandymaker [24]

Answer:

8 figures.

Explanation:

3 0
2 years ago
200 g of solid sodium hydroxide (NaOH) are dissolved in 750 mL of water. What is the concentration of this solution?
Anastaziya [24]

Answer:

6.67 M

Explanation:

Molarity = \frac{mol}{L}

<em>Convert 200g NaOH to moles. Convert 750 mL to L.</em>

200 g NaOH x (1 mol/39.998 g) = 5.00025... mol NaOH

750 mL x (1 L/1000 mL) = 0.750 L

<em>Substitute values into the equation.</em>

Molarity = \frac{5.00025}{0.750}

Molarity = 6.667... M

Molarity = 6.67 M

8 0
2 years ago
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