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Len [333]
3 years ago
5

26.8 moles of argon contain how many atoms?

Chemistry
1 answer:
stepladder [879]3 years ago
4 0

Answer:

the answers is A

Explanation:

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A Starting substance in a chemical reaction is called a _______________.
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1.)REACTANT

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All food chain in an ecosystem that are connected to each other forms a food web....

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The individual dipole moments in ammonia (NH3) do not cancel each other
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Answer:

                    The strongest force that exists between molecules of Ammonia is <em>Hydrogen Bonding</em>.

Explanation:

                    Hydrogen Bond Interactions are those interactions which are formed between a partial positive hydrogen atom bonded directly to most electronegative atoms (i.e. F, O and N) of one molecule interacts with the partial negative most electronegative atom of another molecule.

                    Hence, in ammonia the nitrogen atom being more electronegative element than Hydrogen will be having partial negative charge and making the hydrogen atom partial positive. Therefore, the attraction between these partials charges will be the main force of interaction between ammonia molecules.

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4 0
3 years ago
3. If the percent by volume is 2.0% and the volume of solution is 250 mL, what is the volume of solute in solution? (1 point) 0.
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Volume percent = Volume of solute
                              ----------------------------------
                                Volume of the solution
  
                  2                    Volume of the solute
               -------   =           ------------------------------
                100                               250
                     
         Volume of the solute = 2 x 250
                                                ------------
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                                             =   5 mL.

Hope this helps!




                            




4 0
3 years ago
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andrew-mc [135]

Answer:

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