A sample of NH3 (g) occupies 75.0 L at STP. How many moles of nitrogen trioxide would you have? 1)22.4 moles
2)0.299 moles
3) 3.35 moles
4) 75.0

1) which of the following is the best example of a physical change? a) sugar dissolving in tea b) firefly glowing 2) in the combustion of ethane, what is/are the reactants? c2h6 + o2 ==> co2 + h2o a) c2h6 and o2 b) co2 and c2h6