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Briefly describe how the atomic radii and ionization energies of group 1A(1) elements compare with those of group 8A(18). Also, explain why the values of these properties are so different between these two groups.
Consider the bonding and bond order in H2 +, H2, He2 +, and He2 to explain the bondlengths of 106 pm, 74 pm, 108 pm, ~6000 pm, respectively.
solar radiation is 1200 , how many photons strike the leaf every second? Assume three significant figures and an average wavelength of 504 for solar radiation.
The Kc for the reaction of hydrogen and iodine to produce hydrogen iodide equals 54.3 at 430 C. Calculate the equilibrium concentrations of H2,I2
would increasing the volume of the equilibrium mixture of each of the following reactions cause the equilibrium to shift and if so will the shift be toward products or reactants
Draw thw active site of an enzyme that contains a macrocycle coordinated to a transition metal. Explain the function of the enzyme
For the reaction D --> A + C when 1/[D] is plotted versus the time in seconds, a straight line is obtained whose slope is 0.017 M-1s-1. What is the concentration of D (in M) after 86.0 s if [D]o = 0.80 M?
Using the quantities given in the Procedure, calculate the theoretical yields for the mononitration of (a) acetanilide and (b) methyl benzoate. Acetanilide = quantity is .5 g and molar mass 135.17 g/mol. methyl benzoate= quantity is .55g. and mola..
A nurse administered 3.50 mL of a radioisotope solution that has an activity of 135 Ci/mL. What total dose of the radioisotope did the patient receive
At its boiling point of 100C, 724 kJ of heat is required to vaporize 321 g of water. What is the molar enthalpy of vaporization of water
Find the contact time for inactivating Gardia cysts - How much contact time would be required for inactivating Gardia cysts
When an experiment to determine the molar mass of a volatile liquid is performed, it is found that a 342 mL flask at 22.0C and 1.00 atm is filled by .423 g of vapor. which of the following volaite liquids is it?
Octane ratings are assigned to gasoline mixtures based on their ability to prevent knocking relative to isooctane. Estimate the energy released during the combustion of 1.00 mol of pure isooctane.
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