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So I've been trying to figure these out for awhile, not sure where I'm going wrong in solving it but it's coming out wrong constantly for me, help would be majorly appreciated!
1. If a molecule having an ionization energy of 9.03 eV produces a photoelectron having a kinetic energy of 6.85656E-19 J, what is the wavelength of the incident radiation? Solve in nm
2. When LCAO molecular orbitals of methane (CH4) are formed from the carbon 2s and 2p atomic orbitals along with the 1s orbitals on the H atoms, what is the total number of molecular orbitals that are formed in this process?
A 0.010 M solution of a weak monoprotic acid is 2.5% dissociated at 25* C. What is the equilibrium constant, Ka, for this acid
Ethanol (C2H6O), the intoxicant in alcoholic beverages, is also used as a precursor of many other organic compounds. In acid solution, ethanol forms diethyl ether (C4H10O)
A solution is prepared by dissolving 246 g of sucrose (C12H22O11) in 624 g of water. What is the vapor pressure of this solution at 30°C? (The vapor pressure of water is 31.8 mmHg at 30°C.)
if .025 grams of Pb(NO3)2 is dissolved in 100. grams of H2O, what is the concentration of the resulting solution in parts per million?
Draw an energy-reaction coordinate diagram for both exothermic and endothermic reactions and compare the two. How would temperature changes observed using a calorimeter differ for exothermic and endothermic reactions?
a cylindrical vessel with rigid adiabatic walls is separated into 2 parts by a frictionless adiabatic piston. each part
If the combustion gases consist of CO2, H2O, CO, O2, and N2 that exit at 1200 K and 2 atm, determine (a) the equilibrium composition of the product gases and (b) the rate of heat transfer from the combustion chamber. Is it realistic to disregard t..
A Reaction has a rate constant of 1.22*10^-4 /s at 20 degrees Celsius and 0.227 /s at 75 degrees Celsius. 1. Determine the activation energy for the reaction (kJ/mol)
for a helium aton in a one-dimensional box calculate the value of the quantum number of energy level for which the energy is equal to 3/2kt at 25 degrees c for a 1nm long box
a tank contains both nitrogen and hydrogen gas. if the partial pressures are 190 mm hg and 303 mm hg respectively what
Which of the following types of radiation is composed of particles with a charge and mass identical to that of an electron?
Calculate the work associated with the compression of a gas from 121.0 L to 80.0L at a constant pressure
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