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Calculate the molarity of H3O+ in a solution with [OH-]=1.00x10^-8 mol/L. is the solution acidic, basic or neutral?
What is the concentration of Ag+(aq) remaining in solution when the second metal iodide begins to precipitate from the solution? Ksp1(AgI)=1.5E-16 and Ksp2(PbI2)=1.4E-8
What is delta U when 1.00 mol of liquid water vaporizes at 100 degrees C? The heat of vaporization is 40.66kJ/mol at 100 degrees C.
An unknown gas is placed in a 1.500L bulb at a pressure of 356mm Hg and a temperature of 22.5C, and is found to weigh 0.9847g. What is the molecular mass of the gas
How many grams of NH4Cl must be added to 0.490 L of 1.00 M NH3 solution to yield a buffer solution with a pH of 8.90?
Assume o.2mm^3 of oil is allowed to spread on water over a surface area of 400 cm^2. What will be the average thickness of the film in Angstroms
Calculate the mass of ammonia formed when 6 g of hydrogen react with 14 g of nitrogen to form ammonia. You may use whole numbers for atomic masses.
A titration of 50 mL of an unknown concentration of H2SO4 required 46.26mL of 0.1125 M NaOH. What is the molarity of the H2SO4 solution
Celsius and -125 degrees Celsius , respectively. Calculate the entropy changes for fusion ( solid to liquid) and vaporization (liquid to gas ).
A reaction has a rate constant of 1.27×10^4/s at 29 degrees C and 0.234/s at 79 degrees C. What is the value of the rate constant at 18
What will the percentage of mercury (I) ions remaining in solution be?
write and balance the given chemical equation.1.write balanced chemical equations for the following reactions.nbspwhen
consider the reaction of 215ml 2.15M nitric acid with 26.0 g of solid iron(2) carbonate for the following questions 1. write the balanced chemical equation for this reaction 2. which reactant is the limiting reactnat?
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