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Lelu [443]
3 years ago
10

Why am i not good enough for my mom

Chemistry
2 answers:
Lisa [10]3 years ago
8 0
You are good enough in general. As long as you know and feel that you are good enough within yourself, you won’t have to worry about meeting anyone else’s expectations. Maybe it’s your mom.. not you.
Zolol [24]3 years ago
7 0

Answer:

please don't feel like you're not good enough because you are. Trust me. you are more than enough, do not listen to your mom if she is being mean.

Explanation:

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All cartilage ossifies. True or false <br><br><br><br> will mark brainliest!
chubhunter [2.5K]
I’m pretty sure true, just not your skull at birth hehe. hope this helps :)
6 0
2 years ago
1. If a solution of sodium chloride has 22.3 g of
lina2011 [118]

<u>We are given:</u>

Mass of NaCl in the given solution = 22.3 grams

Volume of the given solution = 2 L

<u></u>

<u>Number of Moles of NaCl:</u>

We know that the number of moles = Given mass / Molar mass

Number of moles = 22.3 / 58.44 = 0.382 moles

<u></u>

<u>Molarity of NaCl in the Given solution:</u>

We know that Molarity of a solution = Moles of Solute / Volume of Solution(in L)

Molarity = 0.382 / 2

Molarity = 0.191 M

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7 0
3 years ago
Zinc has an average atomic mass of 65.37 amu. Jack is trying to figure out what the most abundant isotope of zinc is, but he doe
Mekhanik [1.2K]

Zinc's most abundant isotope : Zinc-65

<h3>Further explanation </h3>

Isotopes are atoms whose no-atom has the same number of protons while still having a different number of neutrons.

So Isotopes are elements that have the same Atomic Number (Proton)

Atomic mass is the average atomic mass of all its isotopes

In determining the mass of an atom, as a standard is the mass of 1 carbon-12 atom whose mass is 12 amu

Mass atom X = mass isotope 1 . % + mass isotope 2.%

To decide zinc's most abundant isotope, then choose the closest mass number

or we can check the difference with the average mass number, if the value is the smallest, then that isotope has the largest abundant

  • Zinc-64

\tt \dfrac{65.37-64}{65.37}=0.021

  • Zinc-65

\tt \dfrac{65.37-65}{65.37}=0.005

  • Zinc-68

\tt \dfrac{68-65.37}{65.37}=0.04

  • Zinc-66

\tt \dfrac{66-65.37}{65.37}=0.009

The closest = Zinc-65(the smallest)

5 0
3 years ago
The sum of the atomic masses of the atoms in one molecule of C3H6Br2
rusak2 [61]

Answer is: 1) formula mass.

Formula weight is given in atomic mass units (amu).

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Atomic mass of carbon atom is 12.01 amu.

Atomic mass of hydrogen atom is 1.01 amu.

Atomic mass of bromine atom is 79.9 amu.

In chemical compound C₃H₆Br₂ there are three carbon atoms, six hydrogen atoms and two bromine atoms.

M(C₃H₆Br₂) = 3 · 12.01 amu + 6 · 1.01 amu + 2 · 79.9 amu.

M(C₃H₆Br₂) = 201.89 amu; formula mass of one molecule.

8 0
3 years ago
Read 2 more answers
What is the correct formula for the product represented by the letter x
ANTONII [103]
Then I would guess the answer is D because Na2OH is much more common and stable than Na2O is <span />
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