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Which one of the following best describes the C(3)-C(4) bond in 1-butene? a) sp3-sp3 and sigma b) sp2-sp2 and sigma c) sp2-sp3 and sigma d) sp2-sp and sigma e) sigma and pi
The standard free energy (?G0') for the hydrolysis of ATP is -30 kJ/mol. The free energy for the hydrolysis of ATP in the cell (?G) is -50 kJ/mol. Which number is closest to the ratio of [ADP][Pi]/[ATP] found in the cell? R=8.314 J/mol*K T=310K An..
In the chemical formula for alu, there are 12 water molecules present. It is also possible to prepare the anhydrous compound potassium aluminum sulfate. On the "molecular scale" describe how a crystal of alum differs from a crystal of potassium al..
how many milliliters of 5M MgCl2 must be added to 25ml of 0.5M MgCl2 to produce 1500mL with a final MgCl2 concentration of 1.75M?
A tanker carrying 800 kg of BOD waste accidently overturns and spills into a pond with a volume of 100,000,000 L. Assume the pond is completely mixed and has an initial DO of 6.4 mg/L and a temperature of 20°C
Propose a reaction mechanism, including all appropriate arrows, to show how (S)?2?bromo?2? fluorobutane reacts to give (S)?2?fluoro?2?methoxybutane. Has this reaction gone with retention or inversion of configuration
what is the rate that sulfur hexafluoride would effuse through a system that allows oxygen to effuse at 22.1mL/min
What is the total pressure (Ptot) in the container in torr? What is the partial pressure of argon (Par) in the container in torr?
If a student finds the molecular weight of an unknown liquid to be 145 g/mole and the molecular formula of the liquid is CHCL3, what is the percent error in the molecular weight
Compare and contrast the three major Acid-Base Theories, Arrhenius, Bronsted- Lowry and Lewis. Give approximate explanations of the dynamics, and provide at least three examples that illustrate each of the theories' major points.
what volume of carbone dioxide ,measured at STP,would result from the reaction of 9.786 kg of oxygen with excess pentane
Aspirin that has been stored for a long time may give a vinegar odor and give a purple color with FeCl3, what reaction would cause this to happen
A 1.00 L solution contains 4*10^-4 M Cu(NO3)2 and 1.6*10^-3 M ethylenediamine (en). the Kf for Cu(en)2^+2 is 1*10^20. What is the concentration of Cu^+2 (aq) in this solution
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