SO2 + PCl 5 --> SOCl2 + POCI3 How much SOCl2 is produced when 16.2g SO2 react with 13.7g PCl5?

Which supports the idea that birds and butterflies both have wings but they do not have a common ancestor with wings? a. the wings are analogous structures that evolved differently and do not have a similar internal structure. b. the wings are homologous structures that evolved differently and do not have a similar internal structure. c. wings of birds are vestigial structures, but the wing structures of bats are not vestigial. d. wings of bats are vestigial structures, but the wing structures of birds are not vestigial

Can someone me with 1 to 4 plz. fast

How many moles of gas are present if p=11 atm, v=12l, t=185k?