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In a second order reaction does k decrease over time what about in a 0 and 1 st order reaction. In a second order reaction does the half life increase over time what about in a 0 and 1 st order reaction?
At what pH will a solution 0.15 M Cu2+ begin to precipitate as Cu(OH)2? The Ksp for Cu(OH)2 is 1.6 × 10-19.
THF followed by basic peroxide and then acid. Give thpse three products; use arrows demonstrating electron movement to show details of the reactions, including the peroxide cleavage of the B-C bond.
The mass of the empty beaker was 27.430g. After the water was added, the beaker had a mass of 37.416g. Calculate the density of the water.
Determine whether or not each set of quantum numbers shown could correctly describe an electron in an atom. (Use the drop down menus to choose "POSSIBLE" or "IMPOSSIBLE" for each statement.
The vapor pressure of a liquid is the pressure exerted by its vapor when the liquid and vapor states are in equilibrium. The relationship between vapor pressure and temperature is expressed by the Clausius-Clapeyron equation.
The extract from solution 3 was found to be 0.0225M in HA. Assume that HA does not associate or dissociate in the organic solvent, calculate
In a gas mixture, the partial pressures are nitrogen 430 , oxygen 115 , and helium 235 . What is the total pressure ( ) exerted by the gas mixture?
3.10 percent of the Br2 undergoes dissociation. Calculate the equilibrium constant Kc for the reaction.
A 10 mL sample of a solution of Pb(ClO3)2 was diluted with water to 21 mL. A 10 mL sample of the dilute solution was found to contain 0.021 moles of Pb2+. What was the concentration of Pb(ClO3)2 in the original undiluted solution?
Step-wise solution to a numerical problem related to a flocculation-based water treatment plant having a flow of 25 MGD. The plant is to employ alum coagulation.
suppose the pressure inside a pressure cooker reaches 1.3 atm. By using the vapor-pressure table, estimate the temperature at which water will boil in this cooker
A manometer shows a mercury level of 225 mm Hg on the closed end of the tube and 108 mm Hg on the open end. If the atmospheric pressure is 760 torr,
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