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Suppose that a linear Na11 molecule could be formed by combining the 3s orbitals on each atom into delocalized MOs. How many nodal planes are in the highest occupied molecular orbital (HOMO) of this molecule?
Dentists might use a mixture of 40% N2O and 60% O2 as an initial anesthetic of nitrous oxide(although exact proprtions may vary). Determine the entropy of mixing for 1 mole of such a mixture. Assume ideal gas conditions.
What mass of water would be needed to evaporate from your skin in order to dissipate 1.7 X 105 J of heat from your body?
Calculate the heat evolved in kilojoules by the formation of the solution. Calculate the heat evoled per mole of sulfuric acid. Use n(changeH) = -(mCchangeT)
Calculate the molarity of a 97.12 wt% acetic acid solution given that the solution density is 1.05 g/mL
A solution has 0.500kg H20 and 14.3g NaCl. What is the mole fraction of H20? The question also says. The number of moles of sodium ions and chloride ions must be accounted for separately in calculating the total number of moles in the solution
A solution containing 10.mmol of CO3^-2 and 5.0 mmol. Of HCO3- is titrated with 1.0M HCL What total volume of HCL must be added to reach the second equivalence point?
Determine how many moles of the ANION are present in this resulting solution If 4 moles of the ionic compound get dissolved in this reaction?
question buffers are typically made by combining a weak acid with its salt or by combining a weak base with its salt.
How much heat in joules is required to heat a 46 {rm g} sample of aluminum from 80 F to 146 F?
if i have 7.0 moles of gas at a pressure of 0.10 atm and at a temperature of 50.1 degrees c in a balloon what is the
by titration 23.4 ml of aqueous h2so4 neutralized 24.8 ml of 0.0495 m lioh solution. what was the molarity of the
Glyceryl trimristrate and myristic acid are both white in color and have very close melting points. suggest two ways to prove that they are not the same compound. with each method, describe what would be obsered.
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