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A throat spray is 1.40% by mass phenol, C6H5OH, in water. If the solution has a density of 0.9956 g/mL, calculate the molarity of the solution. You must show all work for credit.
A particular x-ray has a wavelength of 1.6 Å. Calculate the energy (in J) of one photon of this radiation. J
Determine the fuel model ðCnHmÞ and probable name of the mysterious hydrocarbon explosive used in the Wingbarton bomb.
the following vibrational levels in the upper electronic state of I2: A) between v=1 and v= 0: b) between v=4 and v=3; and between v=21 and v=20. comment on and explain this trend in terms of the quantum mechanical concept of constraint.
Considering the structure of ferrocene and acetylferrocen, identify what interparticle/ intermolecular forces are present between these ferrocenes and the mobile phase. How do they help explain the order in which the ferrocenes come off the alumna..
An aqueous solution of NaCl has a mole fraction of 0.30. What is the mass of NaCl dissolved in 185.9 mL of solution
Calculate the molarity and mole fraction of acetone in a 1.25 m solution of acetone (CH3COCH3) in ethanol (C2H5OH). (Density of acetone = 0.788 g/cm3; density of ethanol = 0.789 g/cm3.) Assume that the volumes of acetone and ethanol add. molarity ..
the radius of a iron atom is 124 pm. how many iron atoms would have to be laid side by side to span a distance of 1.71
Aldol condensation: why must aldehyde contain none of corresponding acid? In the aldol condensation with benzaldehyde + acetone (NaOH, ethanol) --> dibenzalacetone
When 2-methylpentane-2,5-diol is treated with sulfuric acid, dehydration occurs and 2,2-dimethyltetrahydofuran is formed. Draw structural formulas for the first and second intermediates in this reaction.
Compute whether or not a precipitate will form if 2.0 mL of 0.57 M NH3 are added to 1.0 L of 1.6 10-3 M FeSO4. initial [NH3] after mixing
the calculation supports the idea that thermal pollution around cooling vents of nuclear reactors is detrimental to marine life.
A 300.0-mL saturated solution of copper(II) peroidate (Cu(IO4)2) contains 0.44 grams of dissolved salt. Determine the Ksp.
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