Complete the problems showing all of your formulas, work, units and significant digits.
Calculate the number of moles of helium gas used to inflate a 2.00 L balloon at STP.
An exhausted cross
country skier inhales 2.50 L of oxygen at STP. Calculate the mass of
What is the volume at STP of 20.0 t of sulfur dioxide gas released as a pollutant into the
air by a manufacturing plant. (1t = 1000 kg)