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how much acetone (CH3COCH3) would be needed to obtain 3.35 moles of acetone? the desnity of acetone is 0.851 g/mL.
A flask contains 0.180 of liquid bromine br2, . Determine the number of bromine molecules present in the flask.
Calculate the final temperature of 32 mL of ethanol initially at 11 degrees C upon absorption of 562 J of heat.
What is the best and easy way to determine the frequency (in hz) of the interacting photon. A photon interacts with a ground state electron in a hydrogen atom and is absorbed.
A 21.10 g sample of liquid ethanol is initially at -36.90 oC. If the sample is heated at constant pressure (P = 1 atm.), how much kJ of energy are needed to raise the temperature of the sample to 100.60 oC.
What is the hybridization of the nitrogen atom in sulfathiazole? Assuming that the sulfur atom is sp2-hybridized, how many -electrons are there in the sulfathiazole ring?
If 37.3 g of CO2 is produced in the reaction of C2H2 with O2 to form CO2 and H2O, how many grams of H2O are produced in this reaction.
which is limiting reagent when 42.0g of propane , C3H8, is burned with 115g of oxygen ? how many liters gaseous water are produced at STP
A 4.63 g sample of a molecular compound is dissolved in 103 g of tetrachloromethane (carbon tetrachloride). The normal boiling point of the solution is 61.51?C.
Calculate How many palladium atoms will have to be laid side by side to span a distance of 4.28 mm if The radius of a palladium atom is 137 pm.?
how many grams of K2SO4 would you need to prepare 1500g of 5.0% K2SO4 (m/m) solution?
Imidazole, acting as a nucleophile, catalyzes the hydrolysis of phenyl acetate by attach on the carbonyl carbon atom of the ester. The imidazole displaces the phenoxide anion and forms acetyl imidazole
A cylindrical glass tube 15.0 cm in liength is filled with ethanol. The mass of ethanol needed to fill the tube is found to be 9.64g.
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