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A certain first-order reaction has a rate constant of 2.30×10-2 s^-1 at 23 C. What is the value of k at 55 C if Ea= 84.0 kj/mol?
Name the complex ion present when the followng compounds are dissolved in water and determine the number of moles of each species present if one mole of the compound is dissolved
If the pressure of CO2 is 0.550 atm, what concentration of carbon dioxide can be dissolved in water at 0.00C.
write two equations that show thw two-stage ionization of sulfurous acis in water.(H2SO3) which stage of ionization is likely favored?
calculate the final concentration of each of the follwing 0.50 l of a 4.0 m hno3 solution is added to water so that the
Verify the first equality in R (beta(delta e)^2e^Beta(delta e)/[e^Beta(delta e)-1]^2 using the chain rule, and then verify the second equality in the same bolded equation by evaluating the derivative with respect to Beta
Calculate the volume of carbon dioxide at 20.0 degrees C and 0.910 atm produced from the complete combustion of 5.00 methane. Compare your result with the volume of CO2 produced from the complete combustion of 5.00 kg of propane (C3H8).
a sample of gas occupies 15.0 liters at 4.00 atmospheres and 300 k. what is the new volume of the gas if pressure is
An element has three naturally occurring isotopes with the following masses and abundances (in parenthesis): 27.977 amu (0.9222); 28.974 amu (0.0469); 29.974 amu (0.0310). Calculate the atomic weight of the element.
determine the temperature at which the reaction will become spontaneous. See the section on Free Energy and spontaneity in our book. You will also find Appendix C very helpful as well. The delta H for the reaction is 90.84 kiloJoules/mol
Chemistry of Proteins and Hemoglobin - What is the effect of the following changes on the O 2 affinity of hemoglobin?
Explain Solid State Chemistry, 1) Write the balanced chemical equation for Fe2O3+2Al?2Fe+Al2O3 using the lowest possible whole number coefficients.
Predict whether the entropy change in the system is positive, negative or close to zero for each of the following processes
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