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Ca(OH)2 has a Ksp value of 6.46 x 10-6. Calculate how many moles of Ca(OH)2 will dissolve in exactly 1.0 L of water only. If one added 0.01 M of CaCl2 to this solution, how many moles of Ca(OH)2 will now dissolve in 1.0 L of water containing this concentration of CaCl2?
a student is asked to calculate the amount of heat involved in changing 10 grams of liquid bromine at room temperature (22.5 C) to vapor at 59 C. To do this, one must use tables 8.1 and 8.2 for information on the specific heat, boiling points
During the isomerization of trans-1,2-dibenzoylethylene C16H12O2 using 95% Ethanol C2H6O , and UV light irradiation. What is the overall equation for this reaction. What is the product
A 93 gram solution of silver nitrate contains 16 grams of AgNO3. What is the percent by mass of silver nitrate in this solution?
a) What is the structure of biacetyl? b) Indicate the hybridization of each carbon atom. c) How many pi bonds are present? d) Do the four carbon atoms lie in a plane or do they lie in a straight line?
CO exhibits an infrared absorption band at 2143 cm^-1 that is attributed to the symmetric stretching transition. Assuming this corresponds to a transition from the v=0 to v=1 vibrational quantum number
oxygen is burned completely, 3.86 grams of CO2 and 1.26 grams of H2O are produced. What is the empirical formula of the compound?
Is the amount of sodium bicrbonate sufficient to react with benzoic acid. The amount of Benzoic Acid in ex. 1 is 0.060 Grams
Is the central carbon atom sp2- or sp-hybridization? What about the hybridization of the terminal carbons? What shape do you predict for allene?
Which of the alkaline earth metal hydroxides, M(OH)2, would you expect to be most soluble in water? Least soluable?
For which substances would you predict the highest boiling point? Answer with explanations as to why?
The entropy of sublimation of a certain compound is 7.2 J / K mol at its normal sublimation point of 76 C. Calculate the vapour pressure in torr of the compound at 28 C.
What is the lone pair?
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