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Five (5.00mL) of 0.0200M Fe(NO3)3 are mixed with 5.00mL of 0.00200M NaSCN to form the blood red FeSCN2+ complex. The Equilibrium molar concentration of the FeSCN2+ complex, determined spectrophotometrically, is 7.00 x 10^-4M. Calculate the following to determine Kc for FeSCN2+. a,) moles Fe3+ initially present. b.) moles SCN- initially present. c.) moles FeSCN2+ complex at equilibrium. d.) moles SCN- remaining uncomplexed (unreacted at equilibrium). e.) moles of Fe3+ remaining uncomplexed (unreacted at equilibrium). f.) [Fe3+] uncomlexed at equilibrium. g.) [SCN-] uncomplexed at equilibrium. h.) Kc for FeSCN2+
if a liquid has a density or 1.17 g/cm(3) and a mass of 3750 g calculate the volume?
A voltaic cell consists of an Au/Au3+ electrode (E° = 1.50 V) and a Cu/Cu2+ electrode (E° = 0.34 V). Calculate [Au3+] if [Cu2+] = 1.20 M and Ecell = 1.13 V at 25°C.
Heated and allowed to expand against a constant pressure of 1.20 atm until its volume reaches twenty eight Litres. Now determine Which of the given data is correct?
Calculate the Calorimeter Constant if 25 g of water at 50 C was added to 25 g of water at 25C with a resulting temperature of 35 C?
If a reaction mixture initially contains 0.159 M SO2Cl2 , what is the equilibrium concentration of Cl2 at 227 C?
How much heat does your body lose when 1.8 of sweat evaporates from your skin at 25 ? (Assume that the sweat is only water.) The heat of vaporization of water at 25 is 44.0 .
An aqueous solution of KI has a freezing point of -1.70 C and an osmotic pressure of 26.5 atm at 25.0 C. What is the density ?
A sample of gas at 47°C and 1.03 atm occupies a volume of 2.20 L. What volume would this gas occupy at 110.°C and 0.795 atm?
How many molecules of carbon dioxide are produced when 129 molecules of acetylene (HCCH) to react in excess oxygen produce carbon dioxide and water.
A chemistry student needs 60.00 mL of chloroform for an experiment. By consulting the CRC Handbook of Chemistry and Physics, the student discovers that the density of chloroform is 1.48 g x cm^-3.
At 400°K , 0.20 M NO and 0.10 M Cl2 were mixed. The reaction rate was found to be 3.04 ? 10-6 M/s. What is the value of the rate constant, k?
The air pollutant NO is produced in automobile engines because of the high-temperature reaction below. If the initial concentrations of N2 and O2 at 1000 K are both 1 M
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