How many litres of hydrogen gas are evolved at 20°c and
102.6kPa when 2A is passed through a cell of sulfuric acid
for 3h?

How many grams of magnesium metal will react completely with 8.3 liters of 5.5m hcl? show all work

Large helium-filled balloons are used to lift scientific equipment to high altitudes. what is the pressure inside such a balloon if it starts out at sea level with a temperature of 10.0ºc and rises to an altitude where its volume is twenty times the original volume and its temperature is – 50.0ºc ?

Categorize them by metal, nonmetal, in periodic tableductilenon-ductilemalleableoften gain electrons easilygood conductorpoor conductorcan be liquidselements