Hellow guys, Welcome to my website, and you are watching 13.80 | Butane exists as two isomers, n−butane and isobutane. n-butane ⇌ isobutane Kp = 2.5 at 25 °C. and this vIdeo is uploaded by The Glaser Tutoring Company at 2022-03-31T09:00:31-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.