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A 5.00 g chunk of potassium is dropped into 1.00 kg water at 24 deg C. What is the final temperature of the water after the preceding reaction occurs? Assume tat all the heat is used to raise the temperature of the water.
If 2.50 mol of copper and 5.50 mol of silver nitrate are available to react by single displacement, identify the limiting reactant.
If iron is oxidized to Fe2+ by a copper(II) sulfate solution, and 0.434 grams of iron and 12.2 mL of 0.52M copper(II) sulfate react to form as much product as possible.
What mass of Al2O3 in grams can be made by reaacting 4.6 g AL with excess oxygen?
Hydrogenation of a liquid triacylglycerol converts: a. the ester group to a ketone group, b. the ester group to a carboxylic group
Calculate the molarity of a solution made by dissolving 0.0715 mol Na2SO4 in enough water to form 550 mL of solution.
Calculate the freezing point and boiling point of each of the following solutions using the observed van't Hoff factors(a) 0.064 m MgCl2
Suggest a reasonable synthetic strategy for the synthesis of 4-bromo-2-nitro-benzoic acid from o-nitrotoluene
If 50 mL of the solution from part a is added to each of the beakers shown here(i through iv), in which beakers, if any, will a precipitate form? State water and mixture is allowed to come to equilibrium
When 1 of a fuel is burned at constant pressure, it produces 3452 of heat and does 13 of work. What is the value of delta H for the combustion of the fuel?
The normal boiling point of liquid bromine is 58.8oC, and its molar enthalpy of vaporization is Delta Hvap = 29.6 kJ/mol. (a) When Br2(l) boils at its normal boiling point, does its entropy increase or decrease?
What is the percent by mass of oxygen in a gaseous mixture whose molar composition is 0.500% CO2 and 99.500% air. The composition of air is 21% mole O2, 79% mole N2, and has an average molar mass of 29.0 g/mol.
the density of a given solid and liquid k are 992.6 kg m-3 and 933.4 kg m-3of molar mass 147.2 gmol at its normal
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