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The vapor pressure of solid CO2 is 280 torr at -90 C and 105 torr at -100 C. What is teh value of delta G for the reaction CO2 s --> CO2 g at each temperature?
A saturated solution of Pb(IO3)2 in pure water has a lead ion concentration of 5.0 x 10-5 Molar. What is the Ksp value of Pb(IO3)2?
chemical kinetics - determine the time taken by a reactant to reach a particular concentration knowing the rate
Calculate the activation energy of a certain reaction from the following data: Temperature, degree C Rate Constant 24 7.41x10^-4 48 1.39x10^-1
what is the density of a block of marble that occupies 238 cm3 and has a mass of 973
Give the conjugate acid of the following Bronsted-Lowry bases. (Type your answer using the format [OH]- for OH -.) (a) HAsO42- (b) F - (c) S2- (d) OH-
What is the maximum amount of ethanol (in millimoles) that could theoretically be produced under the following conditions?
A solvent for an industrial process requires the use of phenol or benzene. Both are about the same in effectiveness for the process, and of course, gloves will be used when handling either solvent
Hydrogenation reactions are used to add hydrogen across double bonds in hydrocarbons and other organic compounds. Use average bond energies to calculate DELTA Hrxn for the following hydrogenation reaction
calculate the amount of heat required to completely sublime 88.0 g of solid dry ice co2 at its sublimation temperature.
A 6.38 mg sample of potassium hydrogen phthalate was dissolved in 50 mL of water and to use as a standardizing aging. If 36.5 mL of NaOH was required to reach the end point, what is the concentration of the solution in uM?
What volume of hydrogen gas measured at STp would be produced if 12.2 mL of 3.4 M HCl reacted with an exces amount of zinc? Zn + HCl --> H2 + ZnCl2
consider the titration of 25.00ml of 0.650 M propanoic acid, HC3H5O2 ( Ka = 1.3 X 10^-5), with 0.750 M sodium hydroxide, NaOH, and answer the following questions?
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