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According to valence bond theory, the triple bond in ethyne (acetylene, C2H2) consists of A) three sigma bonds and no pi bonds B) two sigma bonds and one pi bond C one sigma bond and two pi bonds D) no sigma bonds and three pi bonds E) none of these choices is correct
Some plants require acidic soils for healthy growth. Which would be more productive to add to the soil in order to make it more acidic, Fe2(SO4)3 or Na2SO4, and why
identify organic compounds in medications. determine the structure of one active component and identify three functional groups on each molecule.
A spherical fat cell has a diameter of 2.47 micrometers. The fat cell contains three copies of the protein azurin. What is the molar concentration of azurin within the fat cell
On average, what percentage of random rolls of three (3) regular playing dice should result in a combined value of 5
The heats of endothermic reactions are assumed the same as the heats of exothermic reactions, thus neglected for this estimation. The heat capacity of this woody biomass, 2.72 kJ/kg·?C, is assumed constant.
Show the orbital-filling diagram for S (sulfur). Stack the subshells in order of energy, with the lowest-energy subshell at the bottom and the highest-energy subshell at the top.
Use the Nernst equation to calculate the Cd2+ concentration when given cell potential of +0.768V and Mn2+ concentration of .500M
Would it be a good idea for a person to take a couple of aspirin tablets before attending a cocktail party? Explain your reasoning. This needs to be from a chemistry stand point.
The molar heat capacity of silver is 25.35 J/Mol * degrees celcius. How much energy would it take to raise the temperature of 11.7g of silver by 16.9 degrees celcius?
Find the mass of urea (CH4N2O) needed to prepare 50.8 g of a solution in water in which the mole fraction of urea is 7.55×10?2.
Show how one could obtain G(T,P,Ni) by performing a Legendre transformation of A(T,V, Ni) and make use G=A+PV to identify the partial derivative
The initial volume of the balloon is 5.00 , and the pressure is 760. The balloon ascends to an altitude of 20, where the pressure is 76.0 and the temperature is 50. What is the new volume, of the balloon in liters, assuming it doesn't break or leak
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