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Write the balanced equation for the ionization of the weak base pyridine, C5H5N, in water, H2O. Phases, such as (aq) or (l), are optional.
How is the concentration of Cl determined by mercuric nitrate? Is there a color change at various levels? (similar to the Cl test for swimming pools and you'd have to match a particular color to a particular concentration?)
How much heat is required in kJ to melt 60.7 g of manganese at its melting point? The heat of fusion of manganese is 12.9 kJ/mol
What is the correct net ionic equation, including all coefficients, charges, and phases, for the following set of reactants?
The equilibrium constant KC for the reaction 2H2(g) + CO(g) ? CH3OH(g) is 135 at a certain temperature. If there are 5.23 ? 10?2 moles of H2 and 3.73 ? 10?
What effect would there be on the calculated value for the molar enthalpy of dilution if the technician accidently used too much water so that the volume was actually more than 500 mL.
Solid NaI is slowly added to a solution that is 0.0091 M Cu+ and 0.0077 M Ag+. Calculate the concentration of Ag+ when CuI
A solution of ethanol (C2H5OH) in water is prepared by dissolving 73.2 mL of ethanol (density = 0.79 g/cm3) in enough water to make 250.0 mL of solution.
Based on Reference Table G, what is the maximum number of grams of KCl(s) that will dissolve in 200 grams of water at 50 Celsius to produce a saturated solution?
What is the hydrogen ion concentration of a solution when 2.334ml of acetic acid (60.05 g/mole) and 2.082 grams of sodium acetate (82.04 g/mole) are added to 500ml of water?
determination of the molar mass via frezzing -point depression could determine the identity. What other tests could have been performed on the unknown solute to determine identity?
If a radiation source has an intensity of 700 rem at 2.00m, what distance is needed to decrease the intensity of exposure to below 25 rem
During a Heck reaction Palladium, from palladium acetate, undergoes a change in oxidation state. Define what is being oxided and reduced through mechanism
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