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if 223 g of ethanol are recovered after 1.63 kg of glucose react, what is the percentage yield of the reaction?
The production of iron and carbon dioxide from Iron (3) oxide and carbon monoxide is an exothermic reaction? how many kj of heat are produced when 3.40 mol Fe2O3 reacts with excess of CO.
how many grams of potassium sulfate are required to make 385 ml of 2.5M solution
Calculate How many grams of H2O at temperature 25 degree Celsius should be poored on the ice with no water in flask initially.
Ttotal ammonia concentration = 0.400 M. determine What is the concentration of NH 4 + ?
Assume that an incorrectly adjusted lawn mower is operated in a garage such that the combustion reaction in the engine is:
Determine the characteristic wavelengths if an electron are accelerated through an electric potential to a kinetic energy of 18kev.
Calculate the enthalpy of the reaction: 2NO(g) + O2(g) --> 2NO2(g) given the following reactions and enthalpies of formation: 1/2 N2(g) + O2(g) --> NO2(g), delta H *A = 33.2 kJ 1/2 N2(g) + 1/2O2(g) --> NO(g), delta H *B= 90.2 kJ
In the laboratory, a student named Georgia weighed 5.05 grams of an unknown solid mixture containing benzoic acid, copper (II) sulfate and sand.
What mass of Au is produced when 18.6 ampere of current are passed through a gold solution for 29.0 minutes.
Determine the molarity of a solution of twenty grams of Ammonium bromide, NH4Br, in enough water to produce 132 mL of solution?
The piston is then moved in and the heat rejected by the air reversibly at constant pressure until the volume is= initial volume. compute The net heat flow and the overall change in entropy?
A 122 piece of metal is heated to 285 and dropped into 84.0 of water at 26. If the final temperature of the water and metal is 58.3, what is the specific heat of the metal.
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