What is the total number of valence electrons in the dot structure of cf4? explain how you determined this answer. what is the name of the 3-dimensional shape this molecule forms? (you may figure this out on scrap paper and just write the correct answer)

The answer for #3 is c but i don't know why

For the reaction shown, calculate how many moles of no2 form when each of the following completely reacts. 2n2o5(g)→4no2(g)+o2(g) part a 1.0 mol n2o5 express your answer using two significant figures. nothing mol m o l request answer part b 5.4 mol n2o5 express your answer using two significant figures.

Increasing the substrate concentration in an enzymatic reaction could overcome which of the following? a) the need for a coenzymeb) allosteric inhibitionc) competitive inhibitiond) insufficient cofactors