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Determine whether the oxidation of FeO(s) to Fe2O3(s) occurs spontaneously at 298K according to the reaction below by calculating delta s universal.
2FeO(s)+3O2(g)@2Fe2O3(s)
The basic Salt sodium acetate, CH3COONa, is completely soluble in water. What is the pOH of a 0.25 M solution of sodium acetate?
The mass of purified sample of impure benzoic acid was .630g. How would I find the percentage recovery of my impure benzoic acid? And are the numbers I got in the lab reasonably correct?
What mass of sodium chloride, NaCl, is needed to make 389. g of a 3.89%(m/m) NaCl solution? (atomic masses: Na = 22.99, Cl = 35.45)
If a reaction mixture initially contains 486 of and 261 of , what is the mole fraction of when equilibrium is reached.
What NaCl concentration results when 219 mL of a 0.740 M NaCl solution is mixed with 492 mL of a 0.350 M NaCl solution?
Calculate the temperature change which will be caused by the following process: 0.640 moles of NH4Cl are dissolved in 1.00 L of water.
The relationship (if any) of the lattice energy of compounds such as ZnO vs. H3BO3 vs. their respective solubilities. For instance, at neutral pH and standard conditions
78 mL of 2.5 M phosphoric acid is neutralized with 500 mL of potassium hydroxide. What is the concentration of the base?
The volume of a 24.0g sample of methane gas is 22.8L at 40.0*C and 4.00atm. What will it's volume be at 68.0*C and 4.00atm.
a solution made by adding .106 mol of CH3COOH to 1.0 kg of water is found to freeze at -.203 C. Calculate the percent of the acid that has undergone ionization. The molal freezing point constant of water is 1.86
What mass of calcium can be produced by this process if a current of 7300A is applied for 46h ? Assume that the electrolytic cell is 75% efficient.
Which of the following involve an increase in the entropy of the system under consideration?
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