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A first order reaction has a rate constant of 2.75 X10-5 s-1 at 30 Celsius. Explain what is the frequency factor if the activation energy for the reaction is 8.02 kj/mol? R=8.314 J/mol K
Calculate the molarity (mol/L) of Mn2+ when MnS is placed in a 0.0179 M (NH4)2S solution. The equation represents the solubility process.
if the rate of decomposition of N2O5 at a particular instant in a reaction vessel is 4.2 x 10^-7 M/s, what is the rate of appearance of NO2
Suppose that 0.650mol of methane, CH4(g), is reacted with 0.800mol of fluorine, F2(g), forming CF4(g) and HF(g) as sole products. Assuming that the reaction occurs at constant pressure, how much heat is released
bacl2nbsp na2so4nbspharrbaso4nbsp nacl- gravimetic determination of sulfate1 explain why adding an excess of
Propanoic Acid, HC3H5O2, is a weak acid. A 0.125 M solution of propanoic acid, HC3H5O2, dissociates 1.020%. Using this information, calculate the pH of the 0.125 M solution of propanoic acid.
2H2S (g) + 3O2 (g) → 2H2O (g) + 2SO2 (g) If 3.50 g of H2S are used in the above reaction, what will be the theoretical yield of water in grams.
guesstimate the extent of the dipole moment of h2o in debye units treating h2o as three point charges. suppose the o-h
Using the rydeberg equation calculate the energy of the transition from lowest state, n=1, to the highest, n= infinity, for hydrogen atom.
Calculating new pH, a). How many mL of each of 0.10M lactic acid solution and 0.10M NaOH solution are needed to make 800mL of a buffer of pH 3.50?
Explain what is the vapor pressure of seawater that has an osmotic pressure of 27.36 atm at T = 30 ° C. Define the pure vapor pressure of water at this
when ethyl bromide is added to potassium t-butoxide the product is ethyl t-butyl ether.a what happens to the rate if
Write equations for the half-reactions that occur at the anode and cathode for the electrolysis of each of the following aqueous solutions.
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