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- Balance the following chemical equation. NaHCO3 + H3CgH507¬Na3C6H;07 + H20+ CO2Consider the series of reactions to synthesize the alum (KAl(SO4 )2 · xH2O(s)) from the introduction. (a) Assuming an excess of the other reagents, from one mole of aluminum Al (s), how many moles of alum will be produced? (b) Assuming an excess of the other reagents, from one mole of potassium hydroxide KOH, how many moles of alum will be produced? (c) Assuming an excess of the other reagents, from one mole of sulfuric acid H2SO4 , how many moles of alum will be produced? (d) If you start the synthesis with 1.00 g of Al, 40.0 mL of 1.50 M KOH, and 20.0 mL of 9.00 M H2SO4 , which of the three will be the limiting reagent? (e) Assuming that the product is anhydrous (that there are no waters of hydration), calculate the theoretical yield of alum, in grams, based on the amounts of reagents in part (d). 3. Consider the nickel salt: (NH4 )2Ni(SO4 )2 ·y H2O (Ammonium Nickel Sulfate Hydrate), where y is the number of coordinated waters. (a) Assuming that the product is anhydrous (y = 0),…The price of (a) CoCl2•6H2O is $25.00 per 100 g and (b) NH,CI was $11.35 per 500 g. Calculate the costs of each of these reagents used in this preparation. If cost were a determining factor which of these would be used as a limiting reagent? (a)
- Balance the following chemical equation. NaHCO3 + H₂C6H5O7→Na3C6H5O7 + H₂O + CO₂ Assume the coefficient of CO₂ is 3. What is the balanced equation? NaHCO3+H₂C6H5O7→ Nª₂C6H5O7+ H₂O +3CO₂When an aqueous solution of Na3PO4 is added to an aqueous solution of Cd(NO3)2. A specific precipitate forms. Write a net ionic equation for this reaction and identify the spectation ions(ii) Br NH HNO₂ H2SO4
- (f) Potassium permanganate (g) Sodium hypochlorite (h) Beryllium bicarbonate (1) Ammonium dichromate (G) Iron (II) chlorideWrite a balanced chemical equation for the reaction thatoccurs when (a) Mg(s) reacts with Cl2(g); (b) barium carbonatedecomposes into barium oxide and carbon dioxide gaswhen heated; (c) the hydrocarbon styrene, C8H8(l), is combustedin air; (d) dimethylether, CH3OCH3(g), is combustedin air.Calculate the equilibrium constant for the reaction: NO2 (g) + NO (g) N2O (g) + O2 (g)
- The molecular weight of sperm whale myoglobin is 17.8 kDa.17.8 kDa. The myoglobin content of sperm whale muscle is about 80 g · kg−1.80 g · kg−1. In contrast, the myoglobin content of some human muscles is about 8 g · kg−1.8 g · kg−1. Compare the amounts of O2O2 bound to myoglobin in human muscle and in sperm whale muscle. Assume that the myoglobin is saturated with O2,O2, and that the molecular weights of human and sperm whale myoglobin are the same. How much O2O2 is bound to myoglobin in human muscle? How much O2O2 is bound to myoglobin in whale muscle? The amount of oxygen dissolved in tissue water at 37°C37°C is about 3.5×10−5 M.3.5×10−5 M. What is the ratio of myoglobin‑bound oxygen to dissolved oxygen in the tissue water of sperm whale muscle?Calculate ∆o for [Co(H2O)6]2+ in units of kJ.1. Methanol is a high-octane fuel used in high-performance racing engines. Calculate AG for the reaction 2CH;OH(g) + 3O2(8) 2CO,(8) + 4H,O(8)