38.How many liters of propane (C 3 H 8 ) will undergo complete combustion with 34.0 L of oxygen gas?

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38.How many liters of propane (C 3 H 8 ) will undergo complete combustion with 34.0 L of oxygen gas?

40.What volume of oxygen gas is needed to completely combust 2.36 L of methane gas(CH 4 )?

42.Ammonium nitrate is a common ingredient in chemical fertilizers. Use the reaction shown to calculate the mass of solid ammonium nitrate that must be used to obtain L of dinitrogen monoxide gas at STP.

44. When iron rusts, it undergoes a reaction with oxygen to form iron (III) oxide. 4 Fe (s) + 3 O 2 (g) → 2 Fe 2 O 3 (s) Calculate the volume of oxygen gas at STP that is required to completely react with 52.0 g of iron.