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The permanganate ion is a common oxidizing agent. What is the reduction potential at 25C of MnO4-, H+/ Mn2+ couple at pH=6.00
suppose you want to move a rock. it has a volume of 1.2m^3 aout waist high and 4 feet long. and a density of 2.5g/cm^3. how many pounds doesx it weight?
Find the pH and volume (mL) of 0.477 M HNO3 needed to reach the equivalence point(s) in the titration of 2.65 L of .0750 M pyrimidine (C5N5N).
What is the molarity of a 15.5 m (m stands for molality) solution of HCl if the density of the solution is 1.33 g/cm^3.
Carbocation intermediate Substrate is primary halidebase is unhindered Substrate is primary halidebase is hindered Substrate is secondary halidebase is weak Substrate is secondary halidebase is strong Substrate is tertiary halidebase
A smple of mixture of NaCl, Caco3 and SiO2 weighed 7.30 grams. During the water wash the sample lost 2.21 grams. After treatment with HCL, the sample weighed 2.05 grams. a. What is the perecent of NaCL by mass in the sample
What is it about the structure of ammonia that will allow it to complex with metal ions whereas the ammonium ion (from ammonium sulfate) will not form complexes
Use Coulomb's law to calculate the ionization energy in kJ/mol of an atom composed of a proton and an electron separated by 278.00 pm then, What wavelength of light would have sufficient energy to ionize the atom
H2S and H2O have similar structures and their cenertal atoms belong to the same group. Yet H2S is a gas at room temperature and H2O is a liquid. Use bonding principles to explain why this is.
if 5.0 of nitrogen at 12 degree Celsius and 1.30 atm pressure reacts with the same volume of hydrogen at the same temperature and pressure, what volume of ammonia is obtained at that temperature and pressure?
A scientist wishes to compress 50.0 ml of ammonia gas at normal atmospheric pressure to a volume of 1.0 ml. What pressure in atmospheres is necessary?
What is the percentage of copper (by mass) in copper(II) nitrate trihydrate. Cu(NO3)2 : 3H20
Using the Nernst equation, calculate the effect on the cell potential of increasing the Fe2+ ion concentration from 1.0 M to 2.0 M for each of the following reactions. The concentration of the other solution remains at 1.0 M
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