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The solubility of phthalic acid is water is: 0.54g/100 mL at14°C, 18g/100 mL at 100°C. How many mL of boiling water are required to dissolve 92.0 g ofphthalic acid?(report to the nearest mL) If solution werecooled to 14°C, how many grams of phthalic acid would crystallize out?
A bioengineer preparing cells for a cloning experiment bathes a small piece of rat epithelial tissue in a TRIS buffer, (HOCH2)3CNH2. The buffer is made by dissolving 34.0 g TRIS (pKb = 5.91) in enough 0.075 M HCl to make 1.00 L of solution.
What quality of heat is required to change the temperature of 30.0g of water at 10Cto 25C
How much heat does a 15 g sample of water absorb if it's temp increased 25 C to 75 C
A packed tower is used to purify a gas containing 4 mole % of H2S. The total inlet gas flow to the tower is 75 kmol/h and the total inlet pure solvent flow to be used to absorb the H2S is 95 kmol /h.
give an examples of a free-radical polymerization reaction e.g. polymerization of ethylene into polyethylene. indicate
If 61.9 g of sugar (glucose) is fermented, what is the maximum volume of pure ethanol that could be produced? (density = 0.789 g/mL)
how do you go from cyclopentane to 2 chloro cyclopentanol. specifically the formation of the the double bond
if you mix 40.0 mL of 0.366 M of K2CrO4 with 40.0 mol of 0.366 AgNO3. what mass of solid Ag2CrO4 would form?
how much heat must be added to 36.2g sample of iron to increase its temperature by 250.0 degree C.
If hydrogen were used as a fuel, it could be burned according to the following reaction: Use average bond energies to calculate for this reaction
Using the equation below assume we want to use 2.3 g of Fe(no3)3 in our experiment. how much NaOH will be needed for a complete reaction?
the density of an unknown compound made from sulfur and oxygen is 2.47 x 10^-3 g/mL at 23 C and 76 kPa. what are the possible molecular formulas for the compound?
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