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Aniline (C6H5NH2, Kb = 4.3 x 10-10) is a weak base used in the manufacture of dyes. Calculate the value of Kn for the neutralization of aniline by vitamin C. (ascorbic acid, C6H8O6, Ka = 8.0 x 10 -5).
Propane gas (C3H8) is used as a fuel in rural areas. How many liters of C02are formed at STP by the complete combustion of the propane in a container with a volume of 15.0 L
For a given reaction, the reaction forms predominantly products at equilibrium (i.e. it essentially goes to completion). Which of the following represents a reasonable value for K
Given the values of ΔH ° rxn , ΔS ° rxn , and T below, determine ΔS univ. ΔH ° rxn = 80kJ , ΔS rxn = 143J/K , T= 299K Express your answer using two significant figures.
Which of these given nutrients is likely to limit production if the light supply is adequate and there is no nitrogen fixation?
draw the lewis dot structures for the following molecules:
Ionization energy is the energy required to remove an electron from an atom in the gas phase. The ionization energy of lead is 715.0 kJ/mol.
If a Boron-10 nucleus absorbs a proton, the radioactive nuclide that is produced may undergo alpha decay. What nuclide is produced in the decay process? Write the balanced radiochemical equations for both processes.
Al(OH)4-(aq) → AlO2-(aq) + 2 H2O(l) What is the oxidizing agent? What is the reducing agent? What is the substance being oxidized?
Kc for the reaction below at 25°C is 4.8 x 10-6. Calculate the equilibrium concentration (mol/L) of Cl2(g) if the initial concentration of ICl(g) is 1.33 mol/L. There is no I2 or Cl2 initially present.
The Al2O3 does not react. If the sample residue weighs 2.675 g, what is the mass fraction of Fe2O3 in the original sample?
25.0ml of a 4.21M HCL solution at 25.2C and 50.0ml of a 2.2M NaOH solution at 25.2C are reacted together to give a temperature of 44.1C.
Draw the Lewis Structure for C3H6O (non-central atom type.) (There are five isomeric structures. Draw any three.)
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