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What is the pH of a solution containing 0.10 M propanoic acid (HC3H5O2) [Ka=1.3x10-5] and 0.10 M sodium propanoate after 0.02 mol of HCl is added to 1.0 L of the solution?
a.4.9b.4.8c.4.7d.5.1
What Amount of enrgy has been transferred to heat the water? (The specific heat capacity of water is 4.184 J/g *C )
Suppose that the atomic mass unit (amu) had been defined as one-sixth of the average mass of an atom of fluorine instead of one-twelfth of the mass of an atom of carbon-12.
A particular reactant decomposes with a half-life of 127 s when its initial concentration is .364M. The same reactant decomposes with a half-life 245 s when its initial concentration is .189 M.
limestone is decomposed by heating to quicklime and carbon dioxide. Calculate how many grams of quicklime can be produced from 1.0 kg o limestone.
Calculate the theoretical yield of C2H5Cl when 106 g of C2H6 reacts with 236 g of Cl2 assuming that C2H6 and Cl2 react only to form C2H5Cl and HCl
The type of enzyme regulation where a regulatory molecule binds to the enzyme and changes the shape of the active site is called
Calculate the pH across the inner mitochondrial membrane that is necessary to drive ATP synthase under steady state conditions at 25oC
the heat of reaction for the combustion of cyclobutane c4h8 is 650.3 kcalmol. what is the heat of combustion for
How many grams of are CaH2 needed to generate 147L of H2 gas if the pressure of H2 is 827 torr at 20 C?
if oxygen gas were collected over water at 22 c and the total pressure of the wet gas were 650 mm hg what would be the
Using information from the table of Standard Thermodynamic Data in the textbook, calculate the equilibrium constant, Keq, for the reaction given below at 298 K. C2H6O (g) ? C2H4 (g) + H2O (g) Keq =
Calculate the concentrations of all species in a 0.700 M Na2SO3 (sodium sulfite) solution. The ionization constants for sulfurous acid are Ka1 = 1.4× 10-2 and Ka2 = 6.3× 10-8.
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