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A particular reactant decomposes with a half-life of 171 s when its initial concentration is 0.329 M. The same reactant decomposes with a half-life of 245 s when its initial concentration is 0.230 M. determine the reaction order. calculate the rate constant
If 101 g of CaO and 261 g of NH4Cl are mixed, what is the maximum possible yield of NH3?What mass of the excess reactant remains after the maximum amount of ammonia has been formed?
Which electrode gains mass and which loses mass as the cell reaction proceeds? What is the equation for the equation for the overall cell reaction?
Calculate the sample weight of liquid bleach containing 5.0% by weight of NaOCl that would oxidize enough I- to consume 0.80 mL of 0.15 M sodium thiosulfate.
The pH of a solution of ammonia, NH3, is measured at equilibrium and found to be 11.48. Given that Kb for NH3 is 1.8 X 10?5, what was the initial (before equilibrium) concentration of NH3
A 40 foot fiberglass boat hull weighs 2000 kg. 60% of that is a fully cured crosslinked polyester resin (the remainder is the glass reinforcing fibers, pigment, fillers, etc.).
If 160 mL of wet h2 is collected over water at 24 degrees Celsius and a barometric pressure of 738 torr , how many grams of Zn have been consumed? (The vapor pressure of water is 22.38 torr.)
Write the balanced reaction equation for the precipitation of calcium carbonate from potassium carbonate and calcium chloride.
A solution of NaOH(aq) contains 7.4 g of NaOH(s) per 100.0 mL of solution. Calculate the pH and the pOH of the solution at 25 °C.
The test tube contained some water (besides the metal) that was subsequently added to the calorimeter. Considering a higher specific heat for water, will the temperature change in the calorimeter be higher, lower, or unaffected by this technique e..
Sulfuric acid (H2SO4) is a very strong diprotic acid. If 0.025 moles of sulfuric acid is mixed with water to make 115 mililiter of solution, what is the molarity of H+?
A voltaic cell is constructed from an Ni^2+(aq)-Ni(s) half-cell and an Ag^+(aq)-Ag(s) half-cell. The initial concentration of Ni^2+(aq) in the Ni^2+-Ni half cell is [Ni^2+] = 1.1*10^-2M.
what would be the effect on your calculated mass percent recovery of Cu if you did not completely react the Mg in the reaction mixture? Briefly explain.
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