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The 3 steps of the Ostwald strategy are proven within the following equations: 4NH3(g) 1 5O2(g) 88n 4NO(g) 1 6H2O(g) 2NO(g) 1 O2(g) 88n 2NO2(g) 3NO2(g) 1 H2O(l) 88n 2HNO3(aq) 1 NO(g) What mass of NH3 has to be used to provide 1. zero three 106 kg of HNO3 by way of the Ostwald strategy, assuming a hundred% yield in every one response and assuming the NO produced within the 3rd degree isn't recycled? sixty nine. Over the years, the thermite response has been used for welding railroad rails, in incendiary bombs, and to ignite solid-fuel rocket cars. The response is Fe2O3(s) 1 2Al(s) 88n 2Fe(l) 1 Al2O3(s) What plenty of iron(III) oxide and aluminum needs to be used to supply 15. zero g of iron? what's the greatest mass of aluminum oxide which may be produced? 70. The response among potassium chlorate and purple phosphorus happens in the event you strike a fit on a matchbox. if you happen to have been to react fifty two. nine g of potassium chlorate (KClO3) with extra purple phosphorus, what mass of tetraphosphorus decoxide (P4O10) may be produced? KClO3(s) 1 P4(s) 88n P4O10(s) 1 KCl(s) (unbalanced) 71. The house go back and forth environmental regulate process handles extra CO2 (which the astronauts breathe out; it truly is four. zero% via mass of exhaled air) by means of reacting it with lithium hydroxide (LiOH) pellets to shape lithium carbonate (Li2CO3) and water. If there are seven astronauts on board the travel, and every exhales 20. L of air in step with minute, how lengthy may possibly fresh air be generated if there have been 25,000 g of LiOH pellets on hand for every go back and forth venture? imagine the density of air is zero. 0010 g/mL. seventy two. Bacterial digestion is a cheap approach to sewage remedy. The response micro organism 5CO2(g) 1 55NH41(aq) 1 76O2(g) 888888n C5H7O2N(s) 1 54NO22(aq) 1 52H2O(l) 1 109H1(aq) Bacterial tissue is an intermediate step within the conversion of the nitrogen in natural compounds into nitrate ions. How a lot bacterial workouts tissue is produced in a therapy plant for each 1. 0 3 104 kg of wastewater containing three. zero% NH41 ions by way of mass? think that ninety five% of the ammonium ions are ate up via the micro organism. seventy three. Phosphorus should be ready from calcium phosphate by way of the next response: 2Ca3(PO4)2(s) 1 6SiO2(s) 1 10C(s) 88n 6CaSiO3(s) 1 P4(s) 1 10CO(g) Phosphorite is a mineral that comprises Ca3(PO4)2 plus different non-phosphorus-containing compounds. what's the greatest quantity of P4 that may be made out of 1. zero kg of phosphorite if the phosphorite pattern is seventy five% Ca3(PO4)2 by way of mass? suppose an way over the opposite reactants. 74. In the construction of published circuit forums for the electronics undefined, a zero. 60-mm layer of copper is laminated onto an insulating plastic board. subsequent, a circuit trend made up of a chemically resistant polymer is outlined at the board. The undesirable copper is got rid of by means of chemical etching and the protecting polymer is eventually got rid of by means of solvents. One etching response is Cu(NH3)4Cl2(aq) 1 4NH3(aq) 1 Cu(s) 89 pared via the motion of an acid on an alkaline earth steel peroxide, akin to barium peroxide: BaO2(s) 1 2HCl(aq) 88n H2O2(aq) 1 BaCl2(aq) What volume of hydrogen peroxide may still end result whilst 1.