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12345 [234]
2 years ago
5

Hello people ~Help me with this question.Thanks in advance!​

Chemistry
1 answer:
Alekssandra [29.7K]2 years ago
3 0

Hello!

The pollution due to oxides of sulfur gets enhanced due to the

presence of :

  • (a) particulate matter
  • (b) ozone
  • (d) hydrogen peroxide

∴ The correct option is : <u>(4) (a),(b),(d) only</u>

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Two equilibrium reactions of nitrogen with oxygen, with their corresponding equilibrium constants (Kc) at a certain temperature,
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Answer:

Kc = 1.54e - 31 / 2.61e - 24

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1 )   N_{2}(gas) + O_{2}(gas)\rightarrow 2NO(gas)  ; Kc = 1.54e - 31

2)   N_{2}(gas) + 1/2O_{2}(gas)\rightarrow N_{2}O(gas)  ; Kc = 2.16e - 24

   upon reversing  ( 2 )  equation

     N_{2}O(gas)\rightarrow N_{2}(gas) + 1/2O_{2}(gas)   Kc = 1/2.16e - 24  

    now adding 1 and reversed equation (2)

       N_{2}(gas) + O_{2}(gas)\rightarrow 2NO(gas)

      N_{2}O(gas)\rightarrow N_{2}(gas) + 1/2O_{2}(gas)

   we get ,

                  N_{2}O(gas) + 1/2O_{2}(gas)\rightarrow 2NO(gas)  Kc = 1.54e-31 × 1/2.61e - 24

       equilibrium constant of equation (3) is -

            Kc = 1.54e - 31 / 2.61e - 24

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When road contractors are laying cement,they first place a series of steel rods in a specific patterns. the they pour the cement
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