Need step by step instruction. Important that I understand how to solve these pr

Question

Need step by step instruction. Important that I understand how to solve these problems. Thank you! 3. hen 1.00 mol C6He and 3.00 mol H2 are put into a 1 L container and allowed to reach equilibrium, the resulting mixture contains 0.137 mol CoH12. What the equilibrium amount of H2 in moles? C6H6 (g) 3H2 (g) C6H12 (g) a) 0.137 b) 0.411 c) 0.0457 d) 2.59 e) 2.86 4. When 0.70 mol NO2 was placed in a 1.00 flask and allowed to reach equilibrium, it's concentration was found to be 0.28 M, once equilibrium was established. Calculate Kefor this 2NO2 (g) 2NO (g) (g) reaction a) 1.9 b) 0.94 c) 0.47 d) 0.14

Explanation / Answer

        C6H6    +    3H2 -----------------> C6H12

I   1             3                                 0

C     -0.137         -3*0.137                      0.137

E      0.863         2.59                            0.137

2.59 moles of H2

d. 2.59

4.

        2NO2---------------> 2NO + O2

I        0.7                         0            0

C     -2*0.21                   2*0.21    0.21

E      0.28                       0.42        0.21

Kc =    [NO]2[O2]/[NO]2

          = (0.42)^2 *0.21/(0.28)^2   = 0.47

c.0.47

  

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