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C6H12O6(s)→C3H6O3(s)+C2H5OH(l)+CO2(g) Calculate ΔH∘rxn
Name the following compounds. a. Ca(HCO3)2 → f. H2S (aq) → ------ g. KMnO4 → c. HIO4 → h. P4O10 → d. SrS2O3 → i. H2SO3 → e. CaSO4∙2H2O → j. CH3COONa →
Cocaine(C17H21O4N) is a natural substance found in the leaves of the coca plant, which has been used for centuries as a local anesthetic and stimulant. Illegal cocaine arrives in the USA either as a pure compound or as the hydrochloride salt(C7H21O4NHCl). At 25 degrees celsius, the salt is very soluble in water(2.59kg/L), but pure cocaine is much less so(1.70g/L) a. What is the maximum amount of salt in grams that can dissolve in 50.0mL of water? b. When a 25mL aqueous solution that contains 62.50 g of the salt is treated with NaOH, the salt is converted to pure cocaine. How much water in liters is needed additionally to dissolve the formed pure cocaine,
3 Fe(s) + 4 CO2(g) -------Fe3O4(s) + 4 CO(g)Keq = .(b) Fe2O3(s) + 6 HCl(g) ------2 FeCl3(s) + 3 H2O(g)Keq = .(c) 2 NO(g) + Cl2(g) ----- 2 NOCl(g)Keq = .
Describe why this reaction is significant: H3AsO4 (aq) + 4Zn (s) + 8H+ (aq)-> AsH3 (g) + 4Zn 2+ (aq) + 4H2O (l)
Rank each of the representations of NOCl from best to worst, placing the best structure on top and the worst at the bottom.
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