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Draw a molecular orbital diagram for C2 and use it to predict the bond order and magnetic properties for this gas phase diatomic allotrope of carbon.
If 0.260 moles of a monoprotic weak acid (Ka=9.0*10^-5) is titrated with NaOH, what is the pH of the solution at the half-equivalence point
1-Bromo-butane with NaOCH3; wouldnt that be an Sn2 reaction? Since its a good nuc/base and it's a primary halide and it's non bulky.
essentially converted to Cu(NH3)4 2+ ion, the voltage of the cell (E) goes up to 0.883 V and the Cu electrode is still negative. Find the residual concentration of Cu2+ ion in the cell.
An atom of element number 33 (As) is in its ground electronic state. Which one of the following sets of quantum numbers could not apply to any of its electrons
What is the coordination number of each sphere in a three-dimensional, close-packed array of equal-sized spheres
You have a 50.00mL sample of .287 M alanine. What will be the pH of the solution be after it is titrated with 39.14 mL of .550 M NaOH
the critical temperature of the mixture is known to be 200 F. Compare your answer with the critical pressures of pure methane and pure n-hexane.
How much energy is required to vaporize 125g of butane at its boiling point? The heat of vaporization for butane is 23.1kJ/mol.
he reduction table in your notes, calculate the standard cell potential for the following reactions. 2 Al3+(aq) + 3 Pb(s) 2 Al(s) + 3 Pb2+(aq)
A solid mixture consists of 35.7 of KNO3 (potassium nitrate) and 6.3g of K2SO4 (potassium sulfate). The mixture is added to 130. of water. If the solution described in the introduction is cooled to 0
The density of an unknown substance was determined by adding a weighed piece to a graduated cylinder containing 37.3 mL of water. After the substance was submerged the water level was measured at 46.2 mL. The substance weighed 100.0 g. What was it..
What volume of {\rm HCl} solution with a {\rm pH} of 1.0 can be neutralized by 1 dose of milk of magnesia. (Assume two significant figures in your calculations.)
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