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Marat540 [252]
2 years ago
10

Plz help well mark brainliest if correct!!

Chemistry
1 answer:
USPshnik [31]2 years ago
6 0

Answer:

the hole in Earth was caused by a meteorite

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How many atoms are in .47 moles of argon
lesantik [10]

Answer:

\large \boxed {2.8 \times 10^{23}\text{ atoms Ar}}

Explanation:

\text{Atoms of Ar} = \text{0.47 mol Ar} \times \dfrac{ 6.022  \times 10^{23}\text{ atoms Ar}}{\text{1 mol Ar}}\\\\= \large \boxed {\mathbf{2.8 \times 10^{23}}\textbf{ atoms Ar}}

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3 years ago
I need a background information for this report it's due tomorrow and I'm having difficulty with it please help
Whitepunk [10]
Try using Google Scholar. It'll show you tons of educational resources on topics you look up. Good luck with your report! Hope this helps!
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3 years ago
How do we seperate a mixture of water and sugar
Firlakuza [10]

Answer:

The easiest way to separate a mixture of sugar and water is to use <em><u>distillation</u></em>, a process that separates substances based on their different boiling points. 《☆☆☆☆☆》

Explanation:

Hope it helps JOIN 《Æ §QŮÅĐ》

3 0
3 years ago
Explain how to draw the electron-dot diagram for oxygen.
AlexFokin [52]

The electron dot diagram for the oxygen atom shows six electrons around the symbol of the atom.

<h3>What is the electron dot diagram?</h3>

The electron dot diagram is the diagram of atoms of elements showing only the valence electrons present in the atom represented with dots.

The electron dot diagram for the oxygen atom is drawn as follows:

  • The number of valence electrons in oxygen atom is determined; valence electrons = 6
  • The symbol for the oxygen atom is written
  • The valence electrons are shown as dots around the symbol of the element.

In conclusion, the electron dot diagram uses dots around the symbol of an atom to show the valence electrons in the atom.

Learn more about electron dot diagram at: brainly.com/question/5835591

#SPJ1

7 0
1 year ago
In a solution, the solvent is...
Marina CMI [18]

Answer:

The solvent is the substance that dissolves solutes.

Explanation:

Solutes are the ones being dissolved. Examples could be sugar, salt, etc.

Solvents are the dissolver. Examples could be acids like HCl or water.

7 0
3 years ago
Read 2 more answers
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