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The 2s and 3s atomic orbitals of the H atom are orthogonal.. If they are both spherical in shape so what makes them orthogonal?
A solution of a specific vitamin has ?max = 273 nm and a concentration of 6.51 × 10-7 M. The absorbance of the solution at 273 nm is A = 0.180. What is the molar absorptivity of the vitamin at 273 nm? (sample pathlength = 1.00 cm)
What is the mass of H2O (g) present when equilibrium is established. Vapor pressure of water at 27 C is 26.7 mmHg.
The products of the fastest inactivation process are as explain the mechanism is accountable for the making of the products.
Describe the steps to be taken in the laboratory if a large bottle of acetone (noncorrosive, nontoxic, highly volatile, water-soluble, flammable solvent) is broken and spilled.
Calculate the change in internal energy if a) The specific heat is assumed constant at its room-temperature value.
Which substance below would contain a nitrogen atom with the highest oxidation number of all those shown? a. NO2 b. N2 c. NH4^1+ d. NO3^1- e. NH3
When the following deuterium-labled isomer undergoes elimination, the reaction yields only trans-2-butene and cis-2-butene-2-d.
The Starship Enterprise is caught in a time warp and Spock is forced to use the primitive techniques of the 20th century to determine the specific heat capacity of an unknown mineral.
The ratio of the number of atoms of the isotopes Ga-69 and Ga-71 in eight samples from different sources was measured in an effort to understand differences in reported values of the atomic mass of gallium.
1. compute the henrys law constant of air if the solubility of air in h2o is approximately 2.1 x 10-3 m at the
What are the protons and neutrons that are emitted from a helium atom called? Atomic mass is expressed in atm.
Calculate the pH during the titration of 24.8 mL of 0.793 M HBr(aq) with 0.219 M KOH(aq) after 14.1 mL of the base have been added.
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