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Problem- Using a table of standard reduction potentials determine the best answer to the following questions
1. Which of the following reagents would oxidize Cr to Cr^3 but not Pb to Pb^2
Br-, Br2, Co,Ca^2+, Co^2+, or Ca?
2. Which would oxidize I^- to I 2 but not Au to Au^+3
Ca^2+, Ca, Co^2+, Br^2, Br^-, or Co?
I require skilled aid to answer the given problem
H2SO4, for the first step instead of concentrated HNO3 . What changes will be observed for the initial reaction with copper metal?
a 50 ml solution containing NaBr was treated with excess AgNo3 to precipitate 0.2146g of AgBr. what is the molarity of NaBr in the solution.
If you want to feed everyone, but still have equal numbers of buns and hot dogs, what is the minimum number of packages of buns and hot dogs you need, respectively?
a student dissolve 1.00 gram of product in 50ml h2o. the di stribution coeffcient of the compound in ether and h2o is
A student determined the Ca^2+ ion content of a 100 mL sample of calcium-fortified orange juice. After adding 2.0 M HCl solution to the sample, the student filtered the juice to remove the pulp and other particulate matter.
Compute the number of liters of Oxygen gas required to produce15.0 liters of dinitrogen trioxide. Assume all gases are at the same conditions of temperature and pressure.
Problem- Draw the skeletal structure of the organic species containing the carbonyl functionality needed to form 2-phenylethan-1-ol upon metal-catalyzed hydrogenation.
the most common source of copper cu is the mineral chalcopyrite cufes2. how many kilograms of chalcopyrite must be
A source water mineral analysis shows the following ion concentrations in the water: Ca2+ = 70 mg/L, Mg2 + = 40 mg/L, and HCO3- = 250 mg/L as CaCO3. Determine the water's carbonate hardness, noncarbonated hardness, and total hardness.
A buffer is composed of 0.400 mol H2PO4^- and 0.400 mol HPO4^2- diluted with water to a volume of 1.00 L. The pH of the buffer is 7.210. How many moles of HCl must be added to decrease the pH to 6.210?
75.0 g of PCl5 (g) is introduced into an evacuated 3.00 L vessel as well as allowed to reached equilibrium at 250 degrees Celsius.
Why pure oxygen is often administered to victims of CO poisoning explain using le chatelier's principle. Hb (CO) aq + O2 aq is HbO2 aq + CO aq
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