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Explain why is the major product between p-anisaldehyde and acetophenone the crossed aldol product rather than the Cannizzaro reaction or the self-condensation of acetophenone?
The total vapor pressure for a mixture with liquid mole fraction XA = 0.60 is 52.7 kPa. The vapor phase mole fraction is YA = O. 725. The excess molar enthalpy is +260 J mol-1. Calculate the molar Gibbs energy of mixing and the molar Entropy of mix..
a 0.75l bottle is cleaned dried and closed in a room where the air is 22 degree celsius and 44 relative humidity that
Find the enthalpy of reaction for graphite going to diamond. Is this reaction exothermic or endothermic. What does it imply about the chemical bonding in diamond compared to graphite.
Calculate your quantities of starting materials requaired in order to obtain a yield of 0.5 g of aspirin (acetylsalicylic acid). Reaction: Salicylic acid + Acetic anhydride --> acetylsalicylic acid + acetic acid
Explain why magnetic metals are found only among the 3d and 4f elements. Why are Sc and Ti, which are also 3d elements, diamagnetic?
Menthol is a crystalline substance with a peppermint taste and odor. When 1.65 g of menthol is dissolved in 25.0 g of cyclohexane, the freezing point of the solution is lowered by 8.78 °C. The freezing point and Kf constant for cyclohexane can ..
indicate whether the signs of H and S are expected to be positive, negative or about 0. For each, indicate whether the process is always spontaneous, never spontaneous, spontaneous at high temperature or spontaneous at low temperature.
How long does it take to electroplate 0.5 mm of gold on an object with a surface area of 31 cm2 from an Au3+(aq) solution with a 8 A current. Recall the density of gold is 19.3 g/cm3.
Determine the pH of a solution that is 1.07% HCl by mass (Assume a density of 1.01 g/ml for the solution.)
To 2.00 L of .100M of lead(II) nitrate, you add .500 grams of sodium sulfide (Na2S). Being a sodium salt, sodium sulfide is soluble in water. What would you expect to see after the sodium sulfide dissolves
Discuss the behavior of tungsten trioxide (or molybdenum trioxide) and product(s)
Calculate the wavelength at which they are broadcasting.
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