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Problem- The acid dissociation constant for cinnamic acid (HC9H7O2) is 3.63X10-5. What is the base dissociation constant for cinnamate (C9H7O2-)?
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Calculate the mass in grams for a sample of Al that absorbs 1.70kJ when the temperature increases from 56 degree Celsius to 177 degree Celsius?
what is the volume in milliliters of 20.0 g of acetone if the density of acetone is .791 g/ml?
Calculate the maximum non-expansion work that can be done on the surroundings from the combustion per kilogram of H2(g) at constant pressure and 298.15K.
How many moles of an ideal gas would occupy a 25.0 liter container when the temperature is 22.0° C and the pressure is 646 torr?
Stearic acid is made by hydrolyzing fat from cattle. The fat, tallow, is predominately glycerin tristearate (formula C57 H110 O6 molecular weight 891.4g/mol)
Why does it take significantly stronger magnetic and electric field strengths to move the beam of alpha particles compared with the beam of electrons (beta particles)
if 2.325g of an unknown acid compound is made up to 200.0 mL with water. 10.00 mL of the resulting solution requires 15.43 mL of 0.1808 M NaOH.
A redox reaction is found to be spontaneous at standard conditions. Which set of thermodynamics properties is true for this reaction?
Coca-Cola used to contain 0.060% phosohoric acid by mass. Determine the pH of Coca-Coal prior to carbonation.
The Chemistry of Nicotine, Nicotine, a component of tobacco, is composed of C, H, and N. A 5.250-mg sample of nicotine was combusted producing 14.242 mg of CO2 and 4.083 mg of H2O
the experimental density of nickel under normal conditions of temperature and pressure is 8.908 cm^-3. Predict its crystal structure, and use the experimental density to obtain an experimentally-corrected atomic radius.
Calculate the Delta G for the reaction when [Ag]=1.0 x 10-2M and [Br]=1.0 x 10-3M, Is the reaction spontaneous or nonspontaneous at these concentrations
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