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Computational chemistry-----What two predominant effects govern most chemical reactions and properties? What are the two major types of computational approaches used to model chemicals?
In a titration of 38.16 mL of 0.1234 M hydrazoic acid (HN3, Ka = 1.900x10-5) with 0.08559 M KOH, what is the pH after 87.78 mLs of titrant have been added
What would you guess is the electron configuration of the ground state of iodine? And for Zirconium?
At what temperature will nitrogen gas (N2) have the same density as helium gas (He) at 27 degrees C and constant pressure
manganeseii oxide leadiv oxide and nitric acid react to produce permanganic acid leadii nitrate and water according to
write the net ionic equations for the precipitation reaction or reactions that occur. b) what are the spectator ions in the solution?
the dipole moment mu of hydrogen bromide hbr a polar covalent molecule 0.790 d debye and its percent ionic character
at 700.degc the total pressure of the system is found to be 3.78 atm. if the equilibrium constant kp is 1.52 calculate
Calculate the pH of a buffer solution obtained by mixing 400.0 mL of 0.200 M acetic acid solution and 100.0 mL of a 0.300 M sodium hydroxide solution.(The pKa of Acitic Acid, CH3OOH is 4.74)
the rate constant of some reaction double with 10 degree rise in temperature. assume that a reaction takes place at 295
Aluminum reacts with excess hydrochloric acid to form aqueous aluminum chloride and 36.8 mL of hydrogen gas over water at 27°C and 764 mmHg. How many grams of aluminum reacted?
Principles of general chemistry second edition. In determining the average rate over an entire experiment, do I need to take the coefficients of the reactants into account?
Assume that you have a cylinder with a movable piston. What would happen to the gas pressure inside the cylinder if you do the following? (a) Decrease the volume to one third the original volume while holding the temperature constant.
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