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3 years ago

STEM professionals must be able to accurately convert among units of temperature, weight, volume, and

1 answer:

6 0

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If the pressure exerted by a gas at 100 Celsius in a volume of 0.044 L is 3.81 atm, how many maples of gas are present

Vera_Pavlovna [14]

The number of moles of gas present are 0.0054

<u>Explanation:</u>

Given-

Temperature, T = 100°C = 100 + 273 = 373K

Volume, V = 0.044L

Pressure, P = 3.81 atm

Moles of gas, n = ?

We know,

PV = nRT

R = 0.082 L.atm.K⁻¹.mol⁻¹

n = PV/RT

n = (3.81)(0.044)/(0.082)(373)

n = 0.0054 moles

Therefore, number of moles of gas present are 0.0054

7 0

3 years ago

5. How is mercury different from all of the other metals

DanielleElmas [232]

Answer:

Mercury is bad at sharing electrons.

Explanation:

Most metal atoms readily share valence electrons with other atoms. The electrons in a mercury atom are bound more tightly than usual to the nucleus.

8 0

4 years ago

Read 2 more answers

Name the particle that has each type of charge?

Zanzabum

Answer:

positive: proton

negative: electrons

no charge/nuetral: nuetron

Explanation:

no charge could be also described as nuetral.

3 0

3 years ago

Read 2 more answers

Calculate the energy (in joules) of each photon that is emitted from a patch of ground that is at 32 ∘C. Use the λmax of that te

AlekseyPX

Attached response

hope that helps!

3 0

3 years ago

Which reactant will be the best reactant for a nucleophilic aromatic substitution?

tangare [24]

The reactant that will be the best reactant for a nucleophilic aromatic substitution is NO₂- NO₂. The correct option is b.

<h3>What is nucleophilic aromatic substitution?</h3>

Nucleophilic aromatic substitution is a substitution process of nucleophile substance is substituted by halides in an aromatic ring. Aromatic compounds contain this type of substitution.

In option b, the compound is the one nitroxide group substituted by halogen, that is fluorine. The fluorine group is substituted in these given aromatic compounds.

Thus, the correct option is b, NO₂- NO₂.

To learn more about nucleophilic aromatic substitution, refer to the link:

brainly.com/question/28265482

#SPJ4

The question is incomplete. Your most probably complete question is given below:

NO₂F

NO₂- NO₂-F

CH₃-O

CH₃-O-F

4 0

2 years ago