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Given Mo Energy level diagram for diatomic molecules, which of the following molecular ions has a bond order of 3? Why?
Explain why the H-H distances determined for coordinated dihydrogen by X-ray diffraction are always significantly shorter than
how many mL of 0.122M MnO4^-1 are required to react with an excess of C2O4^2- in order to produce 75.25 mL of carbon dioxide gas measured at 30.0 degree c and 715 torr?
calculate the expected degree of polymerizationand the molecular weight of the polymer if a) all the termination reaction occurs by combination and b) all the termination occurs by disproportionation.
Elliptical holes estimate the angle of entry : Cos A bullet hole in a wall at a crime scene is elliptically shaped. The loner dimension is 20 mm and the shorter dimension is 14 mm. What is the angle of entry?
Determine the molarity of a solution formed by dissolving 468 mg of MgI2 in enough water to yield
What is the molarity of the HCl solution if 270 mL of the HCl solution reacts with magnesium to produce 7.40 L of H_{2} gas measured at STP.
what is steam distillation and why is it a preferred technique to purify high boiling liquids that are water-insoluble
Molar Concentration of Copper (II) Nitrate, A 25.00 mL sample containing Cu2+ gave an instrument signal of 23.6 units (corrected for a blank). When exactly 0.500 mL of 0.0287 M Cu(NO3)2 was added to this solution
A 0.4647-g sample of a compound known to contain only carbon, hydrogen, and oxygen was burned in oxygen to yield 0.8635 g of CO2 and 0.1767 g of H2O.
Calculate the enthalpy change in oxidizing this mixture in air if the reactants are at 298 K and the products are at 1200 K.
how many grams of C6H12O6 must be added to 250g of water to lower the vapor pressure by 1.30mm Hg at 40C degrees? the vapor pressure of water at 40C degrees is 55.3mm Hg.
A 10 liter sample of oxygen 0.0°C and 15 cm. pressure is subjected to 150 cm. pressure at the same temperature. What is the new volume of the oxygen?
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