Conan O'Brien was convinced that cows were causing global warming. So he decided to capture all of the methane produced by the cows and combust it. This reaction produced 172.27 moles of water. Based on the moles of water produced how many moles of methane did he capture?

Agood hypothesis includes which of the following? a: prediction b: data c: uncertainty d: conclusion

Acontrol during an experiment. might change remains constant does not exist does change

)benzene and toluene form nearly ideal solutions. consider an equimolar solution of benzene and toluene. at 20 °c the vapour pressures of pure benzene and toluene are 9.9 kpa and 2.9 kpa, respectively. the solution is boiled by reducing the external pressure below the vapour pressure. calculate (i) the pressure when boiling begins, (ii) the composition of each component in the vapour, and (iii) the vapour pressure when only a few drops of liquid remain. assume that the rate of vaporization is low enough for the temperature to remain constant at 20 °c.