Gas Stoichiometry
Gas stoichiometry is a fundamental concept in chemistry that deals with the quantitative relationships between reactants and products in gas-phase chemical reactions. It involves applying the principles of stoichiometry to gases, including determining the amounts of reactants needed or products formed, as well as understanding the influence of factors like pressure, volume, and temperature. By using the principles of the ideal gas law and understanding how gases behave under various conditions, gas stoichiometry enables precise calculations crucial for predicting and analyzing chemical reactions in industrial processes, environmental studies, and laboratory experiments.
Questions
- Hydrogen sulfide reacts with sulfur dioxide to give H2O and S, H2S + SO2 = H2O + S(solid), unbalanced. If 6.0 L of H2S gas at 750 torr produced 3.2 g of sulfur, what is the temperature in Celsius?
- Propane is combusted completely in air. What volume of dioxygen gas is required to combust a #200*mL# volume of propane?
- How many moles of propane gas (#"C"_3"H"_8#) can be burned with 1 mole of oxygen gas at STP?
- What maximum mass of sulphur in kilograms could be produced?
- #H_2(g) + Cl_2(g) rarr 2HCl(g)# The give reaction occurs at constant pressure...which is the only viable observation?
- If 100 mL of HCl gas at 300 K and 100 kPa dissolve in 20 mL of pure water, what is the concentration?
- If a #10*mL# volume of nitrogen gas reacts with stoichiometric hydrogen, what is the likely volume of ammonia gas produced?
- What volume of ammonia, in #cm^3#, can be prepared by reacting 20 #cm^3# of nitrogen gas with 30 #cm^3# of hydrogen gas?
- When calcium carbonate is decomposed, what mass of carbon dioxide is evolved?
- What is the concentration of #1.12*L# of carbon dioxide gas?
- How many mols of oxygen are required to react completely with 81 L of hydrogen to form water?
- What mass of methane is required to produce an #88*g# mass of carbon dioxide upon oxidation of the former?
- Ethylene gas burns in air according to equation C2H4(g) + 3O2(g) 2CO2(g)+2H2(l) If 13.8 L of C2H4 at 21 ˚ C and 1.083 atm burns completely in oxygen, calculate the volume of CO2 produced, assuming the CO2 is measured at 44 ˚ C at 0.989 atm?
- When 2.00 g mixture of Na and Ca reat with water, 1.164 L hydrogen was produced at 300.0 K and 100.0 kPa. What is the percentage of Na in the sample?
- Ethene undergoes incomplete combustion to form carbon dioxide, carbon monoxide and water vapour. If the ratio of carbon dioxide to carbon monoxide formed is 9:1 when x cm^3 of ethene is burnt, what is the volume of oxygen gas consumed in the reaction?
- Methane reacts with steam to form #"H"_2# and #"CO"# as shown. What volume of #"H"_2# can be obtained from #"100 cm"^3# of methane at STP?
- A #30*L# volume of carbon monoxide is reacted with a #10*L# volume of oxygen gas. How much carbon monoxide remains unreacted?
- How many grams of Na(l) are produced per litre of N2(g) formed in the decomposition of sodium azide, NaN3 if the gas is collected at 25 degrees celsius and 1.0 bar (.98692 atm)? The R constant is 0.08206 Latm/Kmol
- NaCl + H2SO4 → HCl + Na2SO4 If excess sulfuric acid (H2SO4) reacts with 30.0 grams of sodium chloride, how many grams of hydrogen chloride are produced?
- How much octane could a #0.500*L# volume of air completely combust?