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Problem- In a hurry to complete the experiment , joseph failed to calibrate the spectrophotometer. As a result, all absorbance values for the standard solutions that are measured and recorded are too high.
Part 1) Will the equilibrium concentration for FeNCS2+ be too high, too low, or unaffected? Explain.
Part 2) Will the equilibrium concentration of Fe3+ be too high, too low, or unaffected? Explain.
Part 3) Will the calculated equilibriumbe t constants be too high, too low, or unaffected? Explain.
State your answer as a chemical formula.
The Kb of ammonia is 1.8 x 10-5. What is the percent ionization of a solution of ammonia, 0.50 mol L-1 NH3, that contains 0.020 mol L-1 of ammonium nitrate, NH4NO3
A 93-L sample of dry air cools from 145 degrees celicus to -22 degrees celicus while the pressure is maintained at 2.85 atm. What is the final volume?
Limiting Reactants and Percent Yield
A gas expands and does P-V work on the surroundings equal to 325J. At the same time, it absorbs 127J of heat from the surroundings. Calculate the change in energy of the gas. How do I solve this?
Calculate the freezing point of a 0.2 m CaCl2 aqueous solution, assuming it dissociates completely to form ions in solution
A buffer solution is prepared by mixing enough acetic acid and potassium acetate to give 500ml of a solution that is 0.500 M acetic acid and 0.500 M potassium acetate. What is the pH of this buffer
calculate the concentration in mol/L and mg/L of a solution prepared by adding 4.00 mL of a 8.26 x 10^-4M stock solution of Allura Red to a 100.00 mL volumetric flask and then filling to the mark with DI water.
What volume of 2.0 M NaClO must be diluted with water to prepare 500.0 mL of 0.10 M NaClO?
in tropospheric chemistry the decomposition of n2o5 is an important process. the half life for the first order
The mineral rhodochrosite [manganese (II) carbonate, MnCO2] is a commercially important source of manganese. Write a half reaction for the oxidation of the manganese in MnCO3 to MnO2 in neutral groundwater
a 9.90073 x 10-7m solution of perchloric acid is prepared in water with pkw 13.02231. calculate the ph of the
1. the analysis of a compound gives it composition as 31.6k 29.3cccl and 39.1 oxygen . determine the empirical formula
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