How does propoxypropane reacting with concentrated sulfuric acid and heat form 2 molecules of alkene and water? Can someone explain the mecanism please! Thank you CH3CH2CH20CH2CH2CH3 + H2S04 (conc.) + heat --->
2 CH3CH==CH2 + H20​

Given that the molar mass of nano3  is 85.00  g/mol, what mass of nano3  is needed to make 4.50  l of a 1.50  m nano3solution? use  .6.75 g18.9 g255 g574 g

Harvey kept a balloon with a volume of 348 milliliters at 25.0˚c inside a freezer for a night.  when he took it out, its new volume was 322 milliliters, but its pressure was the same.  if the final temperature of the balloon is the same as the freezer’s, what is the temperature of the freezer? the temperature of the freezer is  kelvins.

One does not belong why? ice, gold ,wood ,diamond and table salt