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154 g of water at 80.0°C are mixed with 78.1 g of water at 23.0°C. If no heat is lost to the surroundings, what is the final temperature of the water? The specific heat of water is 4.184 J/g·°C.
Write a mechanism for the acid-catalyzed transesterification reaction of ethyl acetate with 1-butanol, which gives butyl acetate.
Draw the neutral major organic product pentanoic anhydride & 2 equivalents of dimethyl amine [HN(CH3)2] given that one equivalent of amine acts as the nucleophile
Given that the solubility of magnesium fluoride is 0.0729 g/L, calculate the value of Ksp for this salt
an empty beaker weighs 41.19 g. when it is completely filled with water density 1.0 gml the beaker weighs 92.92 g.ahow
A clear gelatinous precipitate of Bi(OH)3 forms in test tube A while no ppt. forms in test tube B. The appearances of test tubes A and B are due to the interplay between the ammonia and bismuth hydroxide equilibria.
Calculate the molality of a solution containing 292g glucose(C6H12O6) dissolved in 1.91L of water.
Calculate the pH of the following solutions A) 0.10 M hydrogen sulfide? B) 1.0*10^-4 M benzoic acid (check Ca/Ka ratio)? C) 0.09 M methylamine
Determine the dissociation constants for the following acids. Express the answers in proper scientific notation where appropriate
When 0.340 mol of butane, C4H10, are burned with excess oxygen giving CO2 and H2O, how many moles of oxygen are consumed
a 49g piece of ice at 0 degrees c is added to a sample of water at 9 degrees c. all of the ice melts and the
a sample of 1.800 grams of octane c8h18 was burned in a bomb calorimeter whose total heat capacity 11.66 kjdegc. the
A solution of ammonia and water contains 4.20×10^25 water molecules and 6.90×10^24 ammonia molecules. How many total hydrogen atoms are in this solution?
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