Question

guys please help me I want the 7th and 8th answer.if u don't know the answer don't send. help me​

Answer 1

Answer:

(7)photoemission and (8)anti staggered

Answer 2

Answer:

7) Photoelectrons

8)

Explanation:

8) The most stable conformation of butane is the one in which the two terminal methyl groups are the farthest removed from each other, i.e. the anti conformation. Somewhat less favorable is the gauche conformation in which the methyl groups assume a dihedral angle of 60°.