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Explain what is a balanced chemical equation showing the structures for the reaction between acetylsalicylic acid and the strong base sodium hydroxide?
Ethylene diamine (bp 116 C) and water form a maximum boiling azeotrope (bp 120 C); the azeotropic mixture is 80% in ethylene diamine. Sketch a distillation curve(volume on the x-axis and temperature on the y-axis)
Iron has a density of 7.874. g/cm3. What is the mass of a rectangular block of iron with dimensions of 3.000 cm by 4.000 cm by 5.000 cm?
A solution of Chloroform (CHCl3) and Acetone ((CH3)2CO) exhibits a negative deviation from Roult's law. The result implies that
a rigid ball contain 25.0 liters of air at 22 degree Celsius and 6.25atm pressure was placed in an oven at a temp of 100degree what was the new pressure inside the ball.
If 16.0 g of methanol are reacted with an excess of PBr3, how many grams of CH3Br would be formed if there is a 25.0% yield
At 25ºC the solubility product constant, Ksp, for magnesium phosphate, Mg3(PO4)2, is 1.0´10-24. The solubility product constant for magnesium fluoride, MgF2, is 7.0´10-11.
Ag+ is added to a solution of 0.0018 M Cl- and 0.0018 M SCN-. Define the AgSCN precipitates first (Ksp = 1.0 × 10-12), followed by the AgCl (Ksp = 1.8 × 10-10). Explain what percentage of the SCN- is still in solution not precipitated Explain when..
vapor phases of water to all be in equilibrium with each other at 0.1 MPa (see equation below)? Explain in terms of Gibbs phase rule.
Compute the partial pressure of Ar(g) that is needed to achieve this. You may assume that delta(vap)H for water is independent of temperature and pressure
an empty aerosol-spray can at room temperature 20 c is thrown into an incinerator where the temperature reaches 674c.
Explain what are the magnitude and sign of the thermodynamic force acting on the solute (a) close to the left face of the container, (b) in the middle, (c) close to the right face? Provide the force per mole as well as force per molecule in each c..
In what direction do the functions point? What orbitals are"left" unused on the C atom?
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