The analysis of a hydrocarbon revealed that it was 85.6281% C and 14.3719% H by mass. When 1.69 g of the gas was stored in a 1.1 L flask at −47.8551◦C, it exerted a pressure of 513 Torr. What is the molecular formula of the hydrocarbon?

Which change in temperature is the smallest? a change of 1 thomson degree a change of 1 kelvin degree a change of 1 fahrenheit degree a change of 1 celsius degree

Connect the whole numbers on the periodic table to indicate what they represent?

Ammonium perchlorate nh4clo4 is the solid rocket fuel used by the u.s. space shuttle. it reacts with itself to produce nitrogen gas n2 , chlorine gas cl2 , oxygen gas o2 , water h2o , and a great deal of energy. what mass of nitrogen gas is produced by the reaction of 2.1g of ammonium perchlorate?