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Balance the following oxidation-reduction reactions that occur in basic solution. (Use the lowest possible coefficients.)
(a) H2O(l) + Cr(s) + CrO42-(aq) Cr(OH)3(s) + OH -(aq)
(b) H2O(l) + S2-(aq) + MnO4-(aq) S(s) + MnS(s) + OH -(aq)
(c) H2O(l) + CN-(aq) + MnO4-(aq) CNO-(aq) + MnO2(s) + OH -(aq)
If the pressure of 50.0 mL of oxygen gas at 100 °C increases from 735 mm Hg to 925 mm Hg, what is the final volume? Assume temperature remains constant.
If you have 100.0fl of 0.0430uM (alpha)-synuclein solution and 0.0400mg of PC, what is the limiting reactant in the tubule forming the reaction? (760.08106g/1mol PC) (15,400g/1mol(alpha)-synuclein). Want an answer
When aqueous HCl neutralizes benzoate anion, one of the actual acid species present is the hydronium ion, H3O+. Which is the more prevalent acid, HCl (pKa = -2.2) or H3O+ (pKa = 1.74). Write an equation that shows how H3O+ forms from HCl.
In Hexaphenylbenzene synthesis, using tetraphenylcyclopentadiene and diphenylacetylene, what volume of carbon monoxide, measured at STP, is produced by the decomposition of 38 mg of tetraphenylcyclopentadienone
What ratio of concentrations of the molecular base you chose in part a and its conjugate acid would be necesarry to achieve a pH of exactly 10.00?
What mass of glucose can be produced from a photosynthesis reaction 6CO2(g) + 6H2O-> C6H12O6(aq) + 6O2(g) that occurs using 18.4 mol CO2? Answer in units of g.
what volume of ethylene glycol a nonelectrolyte must be added to 15.0 liters of water to produce an antifreeze solution
describe the mechanism for the reaction of bromine to Ethene and state the type
A sample of calcium carbonate absorbs 45.5 J of heat, upon which the temperature of the sample increases from 21.1 oC to 28.5 oC. If the specific heat of calcium carbonate is 0.82 J/g K,
A sample of gas in a balloon has an initial temperature of 35 degree celsius and a volume of 1120 L. If the temperature changes to 74 degree celsius, and there is no change of pressure or amount of gas, what is the new volume,V2, of the gas
If a solution is made with 0.125M magnesium nitrate, (Mg(NO3)2), and 0.100M aqueous ammonia (NH3) will a precipitate of magnesium hydroxide form Ksp= 1.1e-10 Kb= 1.8e-5
A 14.7 g of ice is placed into 324 g of water. Calculate the temperature change in the water upon complete melting of the ice.
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