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kotykmax [81]
3 years ago
11

Which of the following is most likely to dissolve in NH3? A) CO2 B) CH4 C) H2S D) BH3

Chemistry
1 answer:
dem82 [27]3 years ago
5 0

Answer:

C) H2S

Explanation:

In chemistry, the dissolution of one substance in another is dependent on the magnitude of intermolecular interaction between the two substances.  Hence, if two substances do not interact in one way or the other, then one can not dissolve the other.

Let us consider the fact that NH3 is a polar molecule and it is a general principle that like dissolves like. Hence, only H2S which is also a polar molecule can effectively interact with  NH3 due to dipole-dipole interaction between the two molecules.

Also, ammonia reacts with hydrogen sulphide as follows;

2NH3 + H2S → (NH4)2S

Hence H2S is more likely to dissolve in NH3.

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The angular momentum quantum number for the outermost electrons in a phosphorus atom in the ground state is __________.
fredd [130]

Answer:

l=1

Explanation:

The angular momentum quantum number is a quantum number that describes the 'shape' of an orbital and tells us which subshells are present in the principal shell. A critical look at the electronic configuration of phosphorus at the ground state depicts the outermost electron to be in the P orbital where the angular quantum number ,l=1 .

8 0
4 years ago
What are three a ways orchids attract insects to spread their flower pollen
Licemer1 [7]
Orchids attract insects many different ways depending on the insect that they attract. Orchids attract flies by using the smell of rotten flesh. Gross right? Anyways another way they can attract insects is because of the shape of their petals. Some males insects think that their petals look like female insects and the male insect then lands on the petal and spreads pollen onto the flower Hope this helped - Ashlynn
7 0
3 years ago
At 25 °c, only 0.0100 mol of the generic salt ab2 is soluble in 1.00 l of water. what is the ksp of the salt at 25 °c? ab2(s)↽−−
Assoli18 [71]
Where the solubility product Ksp is applied where salts don't fully dissolve in a solvent.

and when the reaction equation is:

AB2(s) ↔ A2+(Aq)  + 2 B-(aq)

so we have the Ksp expression = [A2+][B-]^2

when we assume [A2+] = X = 0.01 M 


and [B-] = 2X = 2*0.01 M = 0.02 M

So by substitution:

Ksp = 0.01 * (0.02)^2

       = 4 x 10^-6
4 0
3 years ago
1) The spectrum of lithium has a red line of 670.8 nanometers. (Remember 1 m = 1 X 109 nm) a. Convert the nanometer to meter usi
puteri [66]
<span>E = ħc / λ
 ħ = plancks constant = 6.626x10^-34 Js
c = speed of light = 2.999x10^8 m/s
λ = wavelength of light = 670.8x10^-9 m
 
E = (6.626x10^-34 Js) x (2.999x10^8 m/s) x (1 / 670.8x10^-9 m)
E = 2.962x10^-19 J

</span><span>3x10^8 / (670.8 * 10^-9) =4.47x10^14 Hz
 
4.47x10^14 Hz multiplied by plank's constant = 2.9634x10^-19
</span><span>
Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions here.
</span>
5 0
3 years ago
What does it mean to tare a balance and why do you think it is important to complete this before you begin measuring mass?
aev [14]

Answer:

allows for you to account for only the weight of the substance being measured and not the vessel it’s being measured in.

Explanation:

What does it mean to tare a balance and why do you think it is important to complete this before you begin measuring mass? Explanation: The term tare is used when weighing chemicals on a balance, using the tare button allows for you to account for only the weight of the substance being measured and not the vessel it’s being measured in.

6 0
2 years ago
Read 2 more answers
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