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1. Calculate the concentrations of Fe3+ and SCN- in the reaction mixture in part I when you add 10.00 mL of 0.200 M Fe3+ to 1.00 mL of 2.0 x 10-3 M SCN- and make up the total volume to 50.00 mL? What is the concentration of FeSCN2+?
2. What are the concentration of Fe3+and SCN- in the reaction mixture in part III, when you add 5.00 mL of 2.0 x 10-3 M Fe3+ to 1.00 mL of 2.0 x 10-3 M SCN-and make up the total volume to 10.00 mL? How is the FeSCN2+ concentration determined for this part?
a gas mixture with a total pressure of 770 mmHg contains each of the following gases at the indicated partial pressures: CO2, 122 mmHg; Ar, 209 mmHg; and O2, 191 mmHg. The mixture also contains helium gas. what is the partial pressure of the heliu..
How much 0.20mol/L sodium hydroxide should be combined to this buffer to raise the pH to 5.1? If the same amount of 0.20 mol/L sodium hydroxide were combined to 250mL of deionized H 2 O, Determine New pH?
Determine what would be the final temperature if thirty grams of Al at 95 degrees Celsius are added to 100 grams of H 2 O at 25 degrees Celsius?
In a calorimeter, 10.0 g of ice melts at 0oC. The enthalpy of fusion of the ice is 334 J/g. How much heat was absorbed?
A gas sample in a piston assembly expands, doing 588 kJ of work on its surroundings at the same time that 372 kJ heat is added to the gas.
A laser pulse with wavelength 555nm contains 4.40mJ of energy. How many photons are in the laser pulse.
What is the volume of dry gas at STP of a gas collected over water that has a volume of 596 mL at 40 C and pressure of 101KPa
The frequency doubled output of a Nd3+ YAG laser has a wavelength of 532nm. If each pulse of light has a total energy of 0.550J and the repetition rate of the laser is 30Hz
what volume and mass of steam at 100c and 1.00 atm would release the same amount of energy during condensation as 100.cm3
If 25.0 mL of AgNO3 is needed to precipitate all the Cl- ions in a 0.795 mg sample of KCl(forming AgCl), what is the molarity of the AgNO3 solution.
Stellar nuclear fusion begins with 1H and ends with 56Fe. Younger stars fuse hydrogen to form 4He, while older, more massive stars fuse helium to form heavier elements.
At 0.0 degrees C, if the volume of air is 1.5 mL and the pressure of the atmosphere that day is 685 mmHg, what is the number of moles of air?
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