A given amount of has was collected over water at 300k where the vapour pressure of the water was 8.0knm-2 , calculate the pressure of the dry gas if the atmospheric pressure at the same temperature was 101.3knm2

For the following dehydrohalogenation (e2) reaction, draw the zaitsev product(s) resulting from elimination involving c3–c4 (i. e., the carbon atoms depicted with stereobonds). show the product stereochemistry clearly. if there is more than one organic product, both products may be drawn in the same box. ignore elimination involving c3 or c4 and any carbon atom other than c4 or c3.

Is powdered sports drink ionic or covalent ? 10pts !

How many moles of lead are in 1.50 x 10^12 atoms of lead? could you explain the answer as well and not just give it to me i am refreshing for finals and i need to know how to do it