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labwork [276]
3 years ago
5

What is the strongest type of van der Waals force that exists between molecules of ammonia, NH3?

Chemistry
2 answers:
Marianna [84]3 years ago
6 0
It is hydrogen bond(as well as fh, and h2o), intermolecular force.
sergiy2304 [10]3 years ago
4 0

Answer:  Intermolecular Hydrogen Bonding

Explanation:  Ammonia molecule is  planar molecule in which 3 hydrogen atoms are attached to the nitrogen atom leaving a pair of lone pair of electrons on the latter.

As we know that the hydrogen bonding is the result of the electrostatic forces of attraction between the hydrogen atom attached with the electronegative atom of one compound with the electronegative atom of the other.

Thus the strongest type of van der waal forces of attraction which can occur in molecules of ammonia is Intermolecular Hydrogen Bonding

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How many moles are in 20g of potassium (K)?
otez555 [7]

Explanation:

Hi for this one u just need to remember and use the equation.

moles =  \frac{mass}{mr}

then u find mr of potassium which is 39.1.

then u do

\frac{20}{39.1}

you get the answer as 0.5115 write ur answer to 3 significant figures which will be 0.512 moles .

hope this helps :)

7 0
3 years ago
If 2.03 g of oxygen react with carbon monoxide, how many grams of CO2 are formed?
mamaluj [8]

Answer:

The suitable equation for this reaction is

2CO + O₂ -----> 2CO₂

Here, we are given that we have 2 grams of O₂

From the equation, we can see that 2 * Moles of O₂ = Moles of CO₂

Moles of O₂:

2/32 = 1/16 moles

Therefore, the number of moles of CO₂ is twice the moles of O₂

Moles of CO₂ = 2 * 1/16

Moles of CO₂  formed = 1/8 moles

Mass of CO₂  formed = Molar mass of CO₂ * Moles of CO₂

Mass of CO₂  formed = 44 * 1/8

Mass of CO₂  formed = 5.5 grams

Hence, option B is correct

Kindly Mark Brainliest, Thanks!!!

8 0
3 years ago
Extra points!
noname [10]

Answer:

1A

2B

3B

4A

Explanation:

3 0
3 years ago
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In a solution of salt and water which compound is the solute?
ra1l [238]
Solute is what gets dissovled, in this case the salt, and the solVENT is whatever a material is dissolved into, in this case the water.
7 0
3 years ago
Nuclear power plants use uranium, a nonrenwable resource, for fuel​
Crazy boy [7]

True. Although nuclear energy itself is renewable, the material (uranium) used in nuclear power plants is not.

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