Asample of air is composed of nitrogen, oxygen, and argon gases. if the partial pressure of nitrogen is 587 mm hg, oxygen is 158 mm hg, and argon is 7 mm hg, what is the total pressure? 1512 mm hg 8 mm hg 100 mm hg 422 mm hg 752 mm hg

The total  pressure  is calculated as below

Total  pressure = partial pressure of (nitrogen +oxygen + argon gas)

= 587 mm hg + 158 mm hg + 7 mm hg = 752  mmhg  is the  total pressure

Talc (french chalk) is the ingredient

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