1. Which formula represents the correct isomer of CH2= CH−CH2−CH3?
A) CH3−CH=CH−CH3
B) CH3−CH2−CH2−CH3
C) CH3−CH3=CH3−CH3
D) CH3−CH−CH2−CH3

A20 liter cylinder of helium at a pressure of 150 atm and a temperature of 27°c is used to fill a balloon at 1.00 atm and 37°c. what is the volume of the balloon? a. 0.14 liters b. 3000 liters c. 2900 liters d. 2400 liters e. 3100 liters