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Benzoic acid, C6H5COOH, is sometimes used to for the standardization of solutions of bases. A 1.722 g sample of benzoic acid reacts with 26.47 mL of a NaOH solution. What is the molarity of the base solution?
C6H5COOH + NaOH ---> C6H5COONa + H2O
Oxygen, O2, can acquire one or two electrons to give o2-(superoxide ion) or o2^2-(peroxide ion) write the electron configuration for the following in molecular orbital terms: 1. o2 2. o2- 3. o2^2- also compare the o2 molecule on a)magnetic charact..
determine the mass of a mixture of 1.33x1024 formula units of sodium sulfate 1.500 moles of water and 3.77g of silver
A gas expands and does P-V work on the surroundings equal to 337 J. At the same time, it absorbs 177 J of heat from the surroundings. Calculate the change in energy of the gas.
A single alkyl bromide reactant theoretically yields either of the given products, depending on the reaction conditions
What is the change in pH after addition of 10.0 mL of 1.0 sodium hydroxide to 90.0 mL of a 1.0 M NH3/1.0 M NH4+ buffer? [ Kb for ammonia is 1.8 x 10^-5]?
Complete and balance the following equations, and identify the oxidizing and reducing agents. MnO_4^-}(aq) + CH_3OH}(aq) -->Mn^{2+}}(aq) + {\rm HCO_2H}(aq) acidic \ solution})
in one experiment 1.0 mol h2o and 1.0 mol co are put into a flask and heated to 350 c. in a second experiment 1.0 mol
A compound is found to contain 64.80 % carbon, 13.62 % hydrogen, and 21.58 % oxygen by weight. What is the empirical formula for this compound
An Ideal gas originally at a temperature T1 and pressure P1 is compressed reversibly against a piston to a volume equal to one-half its original volume, Draw a diagram of the process in the P-V plane.
A cell that uses bromine to oxidize hydrogen H^+ under standard conditions at 298 K has a positive potential.
What is the origin of the charge neutrality requirement in solids? Why must solids have charge neutrality in the bulk,
A reaction has a standard free-energy change of -12.30 kJ mol-1 (-2.940 kcal mol-1). Calculate the equilibrium constant for the reaction at 25 °C.
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