Amixture of nh3(g) and n2h4(g) is placed in a sealed container at 320 k . the total pressure is 0.50 atm . the container is heated to 1200 k at which time both substances decompose completely according to the equations 2nh3(g)→n2(g)+3h2(g) ; n2h4(g)→n2(g)+2h2(g) . after decomposition is complete the total pressure at 1200 k is found to be 4.5 atm. part a find the percent (by volume) of n2h4(g) in the original mixture. (assume two significant figures for the temperature.)

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For cyclohexane compounds drawn in a chair conformation:   -axial bonds are vertical  -equatorial bonds are parallel to two bonds within the ring.  thus, as i assume the chair conformation is drawn:   -the x group is in an axial position, as are the five other vertical bonds.  -three axial bonds are on the top face of the ring  -the other three axial bonds are on the bottom face  the position of the second substituent on each ring carbon is equatorial.  gauche groups must be on an adjacent carbon such as carbon 6 and carbon 2, and also gauche groups are rotated by 60 degrees relative to each other.  drawing the newman projections for c1–c2 and c1–c6 aids in visualizing the groups that are gauche to the y group on c1.  click this link and watch some academic videos that may you more understand the topic