Question

A three-carbon alkene contains two double bonds. Predict its molecular formula?

Answer 1

one double bond will 'displace' two hydrogen atoms. two will displace two. General formula of alkane=Cn H2n
total 4 hydrogens displace, and n=3
\[C_3 H_{2(3)+2-4} = C_3 H_(4)\]

Answer 2

Which of the following balances is affected by the local force of gravity?

Answer 3

different question? choices?
though you want to post in new post