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Calculate the equilibrium constant Ksp for Mg(OH)2 (s) at 25 degrees celcius. b) Is the dissolution of Mg(OH)2 endothermic or exothermic? Show calculations necessary to justify your answer.
What is the pH of the sodium phosphate buffer described in problem if 1 ml of 10M NaOH is added? What is the pH of 1 liter of water if 1ml of NaOH is added?
determine the expression for the rate of the reation in terms of the change in concetration of each of the reatants and products.
If 8.32 grams of methanol, CH3OH, are dissolved in 10.3 grams of water, what is the mole fraction of methanol in the solution?
using a chemical test or tests, how could you distinguish between 3-pentanone and 4-penten-1-ol?
The reaction AB-> A+b is second order in AB and has a rate constant of 0.0245 M^-1 S^-1 at 25.0 degree celcuis . A reaction vessel initially contains 250.0 mL of 0.108 M AB which is allowed to react to form the gaseous product.
A magnesium goes from its grond state to its first electronically excited state. I assume the ground state is a singlet.
From the following list of aqueous solutions and water, select the one with the lowest melting point. A. 1.0 M KNO3 B. 0.75 M NaCl C. 0.75 M CuCl2 D. 2.0 M C12H22O11 (sucrose) E. pure water
2K(s)+2H2O(l)--> 2KOH(aq) + H2(g) A 5.00 g chunk of potassium is dropped into 1.00 kg water at 24 deg C. What is the final temperature of the water after the preceding reaction occur.
With Niemann-Pick Disease, discuss how lipid metabolism is affected, particularly which enzyme(s), and how the body is affected
One cup is equivalent to 237. mL. If 1 cup of oil has a mass of 210. g, what is the density of the oil (in grams per cubic centimeter)?
Treatment of the bicyclic chloride A with lithium in tetrahydrofuran (THF) gave the monocyclic product B, C9H9Li. In deuterated THF, B exhibited a single proton NMR signal at 6.72 ppm
One of the students in lab decided to use two fractionating columns (one on top of the other) instead of just one. How would this a) affect the separation between hexane and heptane?
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