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If the rate of formation of c at a certain time in the reaction 2A+B gives 3C+D was to be 2.5 mol/l.s, what is the rate of reaction of A and B and What is the rate of formation of D?
Calculate the equilibrium concentration of H3O+ in the solution if the initial concentration of C6H5COOH is 7.0×10?2 .
what would be the effect on my calculated molecular weight of p-dichlorobenzene if my lab partner left the stopper off of the apparatus while I was weighing the solid p-chlorobenzene. Explain in detail what would happen if this occured and how it ..
How many grams of chromium would be electroplated by passing a constant current of 5.2 amperes through a solution containing chromium(III) sulfate for 45.0 minutes?
a photon has a wavelength of 741nm calculate the energy of the photon in joules
Do bonds break during the evaporation of the molecular substances hexane and 1-pentanol
what is the net ionic equation for the reaction that occurs when small amounts of hydrochloric acid are added to a
the most common source of copper is the mineral chalcopyrite. how many kilograms of chalcopyrite must be mined to
When 20 mL of a 135 mL stock solution containing 1.5 M CaCl2 is diluted to 103 mL, how many moles of Ca2+ are in the new solution?
Th-232 has a half-life of 1.39 x 10^10 years old. A certain rock has a Pb-208/Th-232 mass ratio of 0.25/1.00. Estimate the age of the rock.
Calculate the molarity of a solution made by dissolving 0.650 Na2SO4 grams of in enough water to form exactly 950 mL of solution.
Exactly one-half of the magnesium ions are Mg-28, a beta emitter with a half-life of 21 hours. What is the decay rate of Mg-28 in the solution after 5.50 days? (Assume a density of 1.02 g/mL for the solution)
an irregular shape of metal has a mass of 54.6 grams and displaces 2.83 cm^3 of water when dropped into a graduated cylinder filled with water. What is the identity of the pure metal?
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