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saw5 [17]
3 years ago
5

Which group period does neon belong to??

Chemistry
1 answer:
Liula [17]3 years ago
8 0
Neon belongs to 2nd Period & 18th Group
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How many moles of ammonia (nh3) would be produced if 2.5 moles of nitrogen (n2) reacted with excess hydrogen (h2)?
cluponka [151]
Firstly, a balanced equation has to be written for the production of ammonia (NH₃) from hydrogen gas (H₂) and nitrogen gas (N₂):
                    N₂   +   3H₂   →   2NH₃

Now, the mole ratio of N₂ : NH₃ is 1 : 2 based on the coefficients of the balanced equation.

If the moles of N₂ = 2.5 moles

   then the moles of NH₃ produced = 2.5 mol × 2 
                                                          =  5 mol

Thus, the moles of ammonia produced when 2.5 mol of nitrogen gas is combined with excess hydrogen gas is 5 mol.
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The process of a material going through a change of state from a gas to a liquid is called _____. melting freezing condensation
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Which of the following is true regarding atomic radius?
Ymorist [56]

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5 0
3 years ago
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frosja888 [35]

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What is the molarity when water is added to 4 moles of sodium chloride to make 0.5 liter of solution?
loris [4]
       If    0.5 L of solution contains 4 mol
then let     1 L of solution contain  x  mol
      
       ⇒    (0.5 L) x  = (4 mol) (1 L)

                         x  = (4 mol · L)  ÷  (0.5 L)

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3 years ago
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