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Anit [1.1K]
3 years ago
7

PERIODIC TABLE LOVERS HELP ME WITH THIS AND ILL PUT U ON BRAINLIEST !

Chemistry
1 answer:
AysviL [449]3 years ago
8 0

Answer:

an educated guess of f and i

Explanation:

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Most gases exist as molecules, for example, fluorine is F2.
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They are all stable and have eight valence electrons
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3 years ago
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Porfavor alguien que me explique los Cambios bioquimicos en los musculos ,sangre e higado durante los ejercicios fisicos y como
german

Answer:

hx see i own right to me I can send it it is not too good to be true that

Explanation:

iibhuuhhhucjdjdjrjnjxnxxhhhbbhhhhbhhbhhhet

8 0
3 years ago
Who is good with science?
MrMuchimi
I can help with science.
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3 years ago
How likely is it that a scientific theory is correct?
yan [13]
It all depends what theory it is most are supported by really good evidence but they just don't have all the evidence so it can't be proven a fact at that time

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3 years ago
Vitamin C contains only carbon, hydrogen, and oxygen. When a 1.00 g was combusted, 1.4991 g of CO2 and 0.4092 g of H2O were obta
Alina [70]

The empirical formula for this vitamin : C₃H₄O₃

<h3>Further explanation   </h3>

The empirical formula is the smallest comparison of atoms of compound =mole ratio of the components

The principle of determining empirical formula

  • Determine the mass ratio of the constituent elements of the compound.  
  • Determine the mole ratio by dividing the percentage by the atomic mass

Mass of C in CO₂ :(MW C = 12 g/mol, CO₂=44 g/mol)

\tt \dfrac{12}{44}\times 1.4991=0.409~g

Mass of H in H₂O :(MW H = 1 g/mol, H₂O = 18 g/mol)

\tt \dfrac{2.1}{18}\times 0.4092=0.0455~g

Mass O = Mass sample - (mass C + mass H) :

\tt 1-(0.409+0.0455)=0.5455~g

mol ratio C : H : O =

\tt \dfrac{0.409}{12}\div \dfrac{0.0455}{1}\div \dfrac{0.5455}{16}\\\\0.0341\div 0.0455\div 0.0341\rightarrow 1\div 1.33\div 1=3\div 4\div 3

5 0
3 years ago
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