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Determine if each of the following is an oxidation- reduction reaction. For an oxidation and reduction reaction, indicate what is oxidized and what is reduced in the following reaction.
5 H2O2 (aq) + 2 MnO4 (1-) + 6 H (1+) (aq) --> 8 H2O + 2 Mn (2+) + 5 O2
Determine the rate law and the value of k for the reaction at 25oC
What volume of this gas must be burned to raise the temperature of 5.3 L of water by 5.0°C? Assume the gas is at 1.0 atm and 298 K.
A mixture of CO, CO2 and O2 is contained within a 275 mL flask at 0C. If the total pressure is 780 torr, the CO has a partial pressure of 330 torr and the CO2 has a partial pressure of 330 torr, what is the partial pressure of O2?
You have successfully purified a protein to homogeneity. From gel permeation chromatography studies, you determine that the protein has a molecular weight for 235,000 daltons.
What volume of gas, measured at 690 torr and 40 degrees celcius, is required to form 29g of NaCl?
If 22 mL of 5.8 M H_2SO_4 was spilled, what is the minimum mass of NaHCO_3 that must be added to the spill to neutralize the acid.
Calculate the approximate molarity of this solution from the volume, percent composition, and density.
At a particular temperature and 2.00x10^-2 M, concentration versus time data were collected for the reaction, and a plot of the natural log versus time resulted in a straight line with slope value of -2.97x10^-2 min^-1. Determine the rate law, int..
Find the partial pressure and concentration of Nitrogen, Oxygen, and Carbon dioxide.
Draw four different Lewis electron-dot formulas for the SeO2 molecule. (HINT: One should have two single bonds, two have a single and a double bond, and one two double bonds).
Find the concentration of Pb2 in 0.0010 M KI saturated with PbI2. Include activity coefficients in your solubility-product expression. The Ksp of PbI2 is 9.8× 10-9. Hint from sapling below: Including activity coefficients, the solubility-product e..
What is the wavelength of an electron traveling with a velocity of 7.0 times 10 to the 3rd power?
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