Hydrogen gas and chlorine gas react to produce hydrogen chloride. What mass of hydrogen chloride (in grams) is formed when 30g of hydrogen gas and 513.9g of chlorine gas are reacted?

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

Which formula equation represents the burning of sulfur to produce sulfur dioxide? s(s) + o2(g) 4502(9) 2h2s(s) + 302(g) —> 2h20(0) + 2502(9) 4fes2+1102 —> 2fe2o3 + 8502 2802(g) + o2(9) v205 , 2503(9)

In a ball-and-stick molecular model, what do the sticks represent?