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2 years ago

What kind of monoatomic ions would phosphorus form?.

1 answer:

5 0

Answer/Explanation: The most stable monoatomic ion formed from phosphorus would be the phosphide ion, P3-. Phosphorous has 5 valence electrons and so gaining 3 electrons will make it isoelectronic with the stable noble gas argon, and will produce the P3- ion.

Hope this helps! ^w^

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Carbonic acid dissolves limestone and other rocks. this is an example of _____. acid erosion chemical weathering biological weat

olga2289 [7]

Chemical weathering.

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3 years ago

Which reactant in each of the following pairs is more nucleophilic? Explain.a. -NH2 or NH3b. H20 or CH3CO2-c. BF3 or F-d. (CH3)3

Anestetic [448]

Answer:

I^- or Cl^-

Explanation:

A nucleophile is any reagent that donates an unshared pair of electrons to form a new covalent bond. Nucleophiles are mostly bases also. Nucleophilicity is a kinetic property, it refers to the rate at which a nucleophile replaces a leaving group from an alkyl halide.

Looking at the options, Cl^- and I^- are the best nucleophiles among the options provided in the question.

3 0

3 years ago

The metric unit for volume is the? A. pound B.quart C.liter D.gallon

Vladimir [108]

I believe it is liter.

5 0

3 years ago

Read 2 more answers

How is the strength of an acid affected by the number of hydrogen ions it contains

adell [148]

More the no. of hydrogen ions more is the solution acidic.

pH means the power of hydrogen that determines the concentration of hydrogen ions or the level of acidiy or basicity of a solution.

so more the hydrogen ions more will be the Power of Hydrogen (pH) and thus more wil be the acidity.

8 0

3 years ago

You need to prepare .200M solution of hydrochloric acid (HCl). If you took out .830ml of the 12.0M stock solution. How much wate

Alenkinab [10]

Answer:

You must add 48.97 mL of water to make the 0.200 M diluted solution.

Explanation:

In chemistry, dilution is the reduction in concentration of a chemical in a solution. In other words, it is the process of reducing the concentration of solute in solution, simply adding more solvent to the solution.

In a dilution, the quantity or mass of the solute is not changed but only that of the solvent. As only solvent is being added, by not increasing the amount of solute the concentration of the solute decreases.

The expression for the dilution calculations is:

Cinitial* Vinitial = Cfinal* Vfinal

In this case:

Cinitial= 12 M
Vinitial= 0.830 mL
Cfinal= 0.200 M
Vfinal= ?

Replacing:

12 M*0.830 mL= 0.200 M*Vfinal

Solving:

$Vfinal=\frac{12 M*0.830 mL}{0.200 M}$

Vfinal= 49.8 mL

Since 0.830 mL is the volume you initially have of HCl, the amount of water you must add is:

49.8 mL - 0.830 mL= 48.97 mL

You must add 48.97 mL of water to make the 0.200 M diluted solution.

7 0

3 years ago