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3.5 grams of salicylic acid reacts with an excess amount of acetic anhydride. What is the theoretical yield
A 14.0-g sample of ice at -18.0°C is mixed with 122.0 g of water at 87.0°C. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
how many molecules of carbon dioxide are produced when 134 molecules of acetylene hcch to react in excess oxygen
aluminum and oxygen react to form aluminum oxide by the equationals o2gnbspnbsp regnbspnbsp al2o3sin a certain
The metal aluminum is made commercially from al2o3. what weight of Al goes 1.00kg of this metal oxide contain
Use the following balanced equation for the problem below: 2HCl + Na2CO3 = 2NaCl + CO2 + H2O If 35.0 gm of Na2CO3 is reacted with 18.0 gm of HCl, how many grams of CO2 are produced
Calculate Ecell for a galvanic cell constructed from a beaker of 0.0025M HCl with a standard hydrogen electrode at 1atm of pressure
Would your calculation of the atomic mass of the metal be too high or too low if your hot metal sample cooled off, unbeknownst to you, while being transferred to the calorimeter
a 40.0 g sample of solid ammonium carbonate is placed in a closed evacuated 3.00 l flask and heated to 400 degrees c.
a sample consisting of various gases contains 3.6 10-6 mole fraction of radon. this gas at a total pressure of 33 atm
the process (A-> B is first order with a half-life of 0.21 seconds. How long would it take for 15.0M of A to decrease to 0.25 M?
ammonia nh3 can be synthesized by the following reaction2 no g 5 h2g -gt 2 nh3g 2 h2ogstarting with 86.3 g no and
lemon juice has a ph of about 2.5. Assuming that the acidity of lemon juice is due solely to citric acid, that citric acid is a monoprotic acid,
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