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sweet [91]
2 years ago
13

What is set in mathematics​

Chemistry
2 answers:
andreev551 [17]2 years ago
8 0

Answer:

i dont get your question Man

tigry1 [53]2 years ago
8 0
<h2>         (っ◔◡◔)っ ♥ Hey Honey Here<em>!</em> ♥</h2><h3>♥answer♥</h3>

In <u>mathematics</u>, a <u>set </u>is a well-defined collection of distinct objects

♥plz give me brain list it would really help a lot♥

<h3>                        ♥  お力になれて、嬉しいです<em>!</em>♥</h3>
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What is Heterogeneous? And an example. What is Homogeneous? And an example. I just need those, thanks
Sedbober [7]
Homo means same
Hetero means different
Geneous means DNA
So homogeneous is same DNA
and heterogenous is different DNA
7 0
3 years ago
Calculate the mass of atoms of carbon and 3 molecules of hydrogen​
PSYCHO15rus [73]

The mass of atoms of carbon and 3 molecules of hydrogen​ : 18 g/mol

<h3>Further explanation </h3>

An atomic mass unit ( amu or "u") is a relative atomic mass of 1/12 the mass of an atom of carbon-12.  

The molar mass(molecular mass-formula mass-molecular weight(MW)) of a compound is the sum of the relative atomic mass (Ar) of the constituent elements of the compound

Can be formulated :  

M AxBy = (x.Ar A + y. Ar B)  

The mass of atom of Carbon(C)⇒Ar = 12 g/mol

The mass of 1 molecule of Hydrogen - H₂(MW) : 2 g/mol

The mass of 3 molecules of Hydrogen : 3 x 2 = 6 g/mol

So the mass of atoms of carbon and 3 molecules of hydrogen​ :

\tt 12+6=18~g/mol

3 0
3 years ago
Why does water boil at a lower temperature at higher altitudes
Harlamova29_29 [7]
Atmospheric pressure increases as altitude increases therefore boiling time will need to be extended
5 0
2 years ago
Give the major force between acetone and chloroform.
EleoNora [17]
Says here the answer is <span>dipole-dipole</span>
4 0
3 years ago
Commercial grade HCl solutions are typically 39.0% (by mass) HCl in water. Determine the molality of the HCl, if the solution ha
marta [7]

Molality of the solution is defined as the number of moles of a substance dissolved divided by the mass of the solvent:

Molality = number of moles / solvent mass

From the concentration of 39% (by mass) of HCl in water, we construct the following  reasoning:

in 100 g solution we have 39 g hydrochloric acid (HCl)

number of moles  = mass / molecular weight

number of moles of HCl = 39 / 36.5 = 1.07 moles

solvent (water) mass = solution mass - hydrochloric acid mass

solvent (water) mass = 100 - 39 = 61 g

Now we can determine the molality:

molality = 1.07 moles / 61 g = 0.018

8 0
3 years ago
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