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Arturiano [62]
3 years ago
14

True of False: When air is dense, its molecules are packed tightly together.

Chemistry
1 answer:
Masteriza [31]3 years ago
8 0

Answer:

That false they are solids so they don't pack

And i love the movie sci-ki the anime series

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One way to remove the pollutant nitrogen monoxide, NO, from mobile diesel exhaust is by reacting it with ammonia, NH, as seen in
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Answer:

m_{NH_3}=21.6gNH_3

Explanation:

Hello there!

In this case, in agreement to the given chemical reaction, it is possible for us to calculate the mass of NH3 required to remove 57.0 g NO via the stoichiometry based off the 4:6 mole ratio between them:

m_{NH_3}=57.0g NO*\frac{1molNO}{30.01gNO}*\frac{4molNH_3}{6molNO}  *\frac{17.03gNH_3}{1molNH_3} \\\\m_{NH_3}=21.6gNH_3

Best regards!

6 0
3 years ago
How many more electrons can fit within the valence shell of a oxygen atom?
kumpel [21]
It can fit two more electrons within its valence shell to follow the octet rule. It will have a -2 charge to gain those two electrons to fill its octet.
3 0
3 years ago
What is the total pressure exerted by the mixture of gases only products or products + reactants?
dedylja [7]
Total = <span>products + reactants</span>
3 0
3 years ago
A student needs to standardize a base solution by titration with an acid solution of known concentration. She finds the volume o
kondor19780726 [428]

The steps usually involves adding the known solution (the titrant) to a known quantity of the unknown solution (the analyte) until the reaction is complete which can be understood in detail as below with the help of through out process of titration.

<h3 /><h3>What is Titration ?</h3>

A titration is a technique used to work out the concentration of an unknown solution based on its chemical reaction with a solution of known concentration.

Steps in order to determine the concenteration of base solution ;  

(Acid-Base Titration)

  • Choose the titrant.
  • Choose the titrate.
  • Select the normality of the titrate.
  • Choose the volume of the liquid to be pipetted out.
  • Select the indicator.
  • Start titration.
  • End point is noted at the colour change of the solution.
  • From the final reading the normality of titrant can be calculated by the equation:

                                          ​N₁V₁=N₂V₂

  • After finding the normality, the amount of given substance in the whole of the given solution can be calculated by the equation:

          ​Mass = Equivalent weight  x  Normality \  Volume  {1000}

Learn more about titration here ;

brainly.com/question/15365870

#SPJ1

6 0
3 years ago
Who believed and tested his idea that microorganisms are carried through the air?
kondor19780726 [428]
Louis Pasteur designed a procedure to test whether sterile nutrient broth could spontaneously generate microbial life. To do this, he set up two experiments.

Hope this helps !

Have a great day! :)
7 0
3 years ago
Read 2 more answers
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