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which of the following reactions proceeds to the left when equal concentrations of reactants and products are mixed?
a. HCl4(aq)+H2O(l) equilibrium H3O+(aq)+ClO4-(aq)b. HSO4-(aq)+HCO3-(aq) equilibrium SO4 2-(aq)+H2CO3(aq)c. HF(aq)+Cl-(aq) equilibrium HCl(aq)+F-(aq)d. H3O+(aq)+CH3CO2-(aq) equilibrium H2O(l) CH3CO2(aq)
Trees in cold climates may be subjected to temperatures as low as -60 C. Estimate the concentration of an aqueous solution in the body of the tree that would remain
Carbonyl fluoride, COF2, is an important intermediate used in the production of fluorine-containing compounds. For instance, it is used to make the refrigerant carbon tetrafluoride, CF4 via the reaction
A compound contains only nitrogen and hydrogen and is 87.4% nitrogen by mass. A gaseous sample of the compound has a density of 0.925 g/L at 690 torr and 110 C.
Write out the reaction mechanism for the side reaction of acetic anhydride with 85% phosphoric acid to make two
If the initial concentration of AB is 0.260 M, and the reaction mixture initially contains no products, what are the concentrations of A and B after 80 s?
A robust first grader goes for swimming lessons three times a week, and he enjoys it thoroughly. During the first week of December, he develops an upper respiratory infection, starts coughing continuously, and has a high fever of 39°C.
A solution is prepared by dissolving 3.00 g of an unknown nonelectrolyte in 20.00 g of cylcohexane (tf = 6.6 oC and kf = 20.0 oC/m). What is the molar mass of the unknown compound if the solution has a freezing point of -6.4 oC
Say your a facility manager at a powerplant and your preparing for an interview with a news media reporter concerning environmental hazards at your facility
Iron is obtained commercially by the reaction of hematite (Fe2O3) with carbon monoxide. How many grams of iron is produced when 25 mol of hematite reacts with 30 mol of carbon monoxide? with the balanced equation of Fe2O3 + 3CO = 2Fe + 3CO2
About how many gallons of CO2 are produced by an incandescent 60-W lightbulb burning for an hour
A solution contains 0.021 M Cl? and 0.017 M I?. A solution containing copper (I) ions is added to selectively precipitate one of the ions. At what concentration of copper (I) ion will a precipitate begin to form? What is the identity of t..
The heat of vaporization of water is 40.66 kJ/mol. Assuming sweat is 100% water, how much heat is removed from your body through the evaporation of 1.86 g of sweat
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