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given that the molar enthalpy of vaporization delta h for H2O(l) is 44kj at 298k, what is the standerd enthalpy change for the reaction 2H20(G)+ O2(g)---->2H2O(G)?
Recommend an explanation why the cyclic intermediate might have two important groups in a trans relationship that could factor the E-alkene.
Given the equilibrium pH will you have successfully reduced each metal ion level to below the MLC? give detailed calculations to support your answer.
Determine which girl has the solutions at the concentrations desired and Girl A dilutes 10 mL stock solution to a final volume of 20 mL. Girl B dilutes 10 mL stock solution to a final volume of 40 mL.
a buffer is prepared by mixing .200 mole of formic acid with .300 mole of sodium formate in a volume of 200 ml what is the initial ph.
If a bottle of nail polish remover contains 175mL of acetone, how much heat would be released by its complete combustion? The density of acetone is 0.788g/ML.
A 1.5618-g sample containing sulfate ion was treated with barium chloride reagent, and 0.2321 g of barium sulfate was isolated. Calculate the percentage of sulfate ion in the sample.
calculate the mass of ammonium nitrate that should be heated to obtain 100 mL of dinitrogen oxide, N2O, at 1.00 atm and 25 degrees celcius?
Aluminum nitrate and ammonium chloride react to form aluminum chloride, nitrogen, and water. what mass of aluminum chloride is present after 74.7 g of aluminum nitrate and 56.8 g ammonium chloride have reacted completely.
Seven tiny spheres of liquid mercury each have a diameter of 2 millimeters. They are now added together and coalesce into one larger drop. What is the diameter of this larger drop?
Multiple choice questions in Nuclear chemistry - As the temperature of a sample of a radioactive element decreases, the half-life will
What are the advantages and disadvantages of animal studies and epidemiological studies for establishing dose-response relationships?
Calcium carbonate and sand mixture with weight of 4 grams is reacted with excees of HCl results in the production of carbon dioxide then find out the percent of calcium carbonate in the original mixture?
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