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 of the following is not a good technique for managing used oil? a) have specific, labeled catch pans available for technicians who are collecting oil b) spills in your shop and any releases on pavement or outside should be poured down a drain c) do not use oil containers for antifreeze or other non-similar fluids d) be prepared for oil spills with the proper absorbents

How does kepler second law of planetary motion overthrow one of the basic beliefs of classical astronomy

What is the source of continuous heat and energy that we receive from the sun