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bija089 [108]
2 years ago
11

Write the manufacturing process of oxygen gas from liquid air​

Chemistry
1 answer:
OleMash [197]2 years ago
6 0

Answer:

Production of liquid oxygen from air Oxygen is generated by liquefaction of atmospheric air in the air separation unit (ASU). Cryogenic technique is the most commonly used for producing liquid oxygen for industrial and medical applications .

Explanation:

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Find the ph of a buffer that consists of 0.18 m ch3nh2 and 0.73 m ch3nh3cl (pkb of ch3nh2 = 3.35)?
ozzi
Hello!

First, we need to determine the pKa of the base. It can be found applying the following equation:

pKa=14-pKb=14-3,35=10,65

Now, we can apply the Henderson-Hasselbach's equation in the following way:

pH=pKa+log( \frac{[CH_3NH_2]}{[CH_3NH_3Cl]} )=10,65+log( \frac{0,18M}{0,73M} )=10,04

So, the pH of this buffer solution is 10,04

Have a nice day!
8 0
3 years ago
At a certain temperature, the solubility of strontium arsenate, sr3(aso4)2, is 0.0650 g/l. what is the ksp of this salt at this
Luba_88 [7]
Answer is: Ksp for strontium arsenate is 2.69·10⁻¹⁸.
Balanced chemical reaction (dissociation):
Sr₃(AsO₄)₂(s) → 3Sr²⁺(aq) + AsO₄³⁻(aq).
s(Sr₃(AsO₄)₂) = 0.0650 g/L.
s(Sr₃(AsO₄)₂) = 0.0650 g/L ÷ 540.7 g/mol = 1.2·10⁻⁴ mol/L.
s(Sr²⁺) = 3s(Sr₃(AsO₄)₂).
s(AsO₄³⁻) = 2s(Sr₃(AsO₄)₂).
Ksp = s(Sr²⁺)³ · s(AsO₄³⁻)².
Ksp = (3s)³ · (2s)².
Ksp = 108s⁵.
Ksp = 108 · (1.2·10⁻⁴ mol/L)⁵ = 2.69·10⁻¹⁸.
3 0
3 years ago
What is the name of the compound with the formula ch3ch2ch2nh2? 1-propanol 1-propanamine propanal propanamide?
kenny6666 [7]
The compound is CH₃CH₂CH₂NH₂
when naming the compound the C chain has 3 C atoms and they all are in a single chain therefore alkane chain is propane. 
It has a -NH₂ group attached to the C therefore functional group is 'amine'
-NH₂ is attached to a terminal C atom therefore when numbering the C atoms the C attached to the substituent should have the lowest number therefore C atom with NH₂ is carbon atom 1
therefore name of the compound is 1-propanamine

8 0
3 years ago
In what ways are final grade calculations and atomic mass<br> calculations similar?
Gennadij [26K]

Answer:

atomic mass calculations are similar to final grade calculations in how the two are calculated. In school, your given different kinds of work that has a different effect on your grade. Homework might be worth 20 percent while a tests are worth 80 percent. the percentage of these assignments are the weight they have on your grade. when you multiply the weight by the score, you get a weighted score that you can add with other weighted scores to reach a total, that total would be your grade. Atomic mass calculations are found the same way, first turn the percent abundance into a decimal (divide by 100, 97% becomes .97) multiply it by Mass (AMU) and you get that isotopes mass contribution. do this for the isotopes for whatever element, and add up the total. the total will be your element's atomic mass.

Explanation:

3 0
2 years ago
A compound has the molecular formula
Anna [14]

Answer:

Well, this compound is an organic compound, that the solid state at room temperature is determined by the joints it has and the type, strength and location of the joints or bonds.

Solid bodies, on the other hand, are those that maintain constant shape and volume thanks to the great cohesion of their molecules. The solid phase is one of the four states of matter aggregation, together with the liquid, the gaseous and the plasma

Explanation:

Regarding that it has non-polar molecules, this will influence its solubility or what type of solvents may be diluted and in which not.

Apolar molecules are those molecules that are produced by the union between atoms that have the same electronegativity, so the forces with which the atoms that make up the molecule attract the electrons in the bond are the same, thus causing the cancellation of said forces.

In this molecule, each oxygen atom attracts the shared electrons towards itself with the same intensity but in the opposite direction, so that the attractive forces are canceled and the molecule does not convert, it becomes a dipole. Furthermore, they can be identified through the Lewis structure with free pairs, that is, if it has free pairs, it is polar and if it does not, it is apolar.

In order to take into account in relation to the organism or if not a good example, the lipid structures of our organism have polar and non-polar sides, these non-polar sides are in charge of challenging hydrophilicity, since the apolar part or not NEVER will have an affinity for water, therefore it will not dissolve in it, something similar would happen with this chemical compound that we are talking about.

This is why when having non-polar molecules we can say that we are dealing with a hydrophobic compound or that it does not dissolve in water.

5 0
3 years ago
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