Determine the theatrical yield if 1.56 grams of hydrogen is permitted to combines with 9.70 grams of nitrogen producing 1.43 grams of ammonia?
heat of vaporization of Butane = 22.44 , normal boiling point = -0.4 degree celsius . A 250 Litres sealed flask contains 0.5 grams of butane at -22 degree celsius.
how much is present as a liquid If the butane is warmed to 25 degree celsisu?