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The cell SCE||CdA2(sat'd), A-(0.0250 M)|Cd has a possible of -0.721 V. Compute the solubility product of CdA2.
The water level in a graduated cylinder was at 211 rises initially it raised to 270 after adding a piece of lead is submerged. Determine the mass in grams of the lead?
The length and width of the settling tanks (two rectangular units are desired with a length to width ratio of 3:1). Assume the average depth of the tank is 4m.
Given that the pKa for Acetic Acid is 4.77, calculate the expected pH of the buffer solutions using the Henderson-Hasselbalch equation and the concentrations of Acetic Acid and Acetate added to the 250 ml Erlenmeyer flask.
A 4.5 g sample of LiCl at 25 degrees Celsius dissolves in 25 mL of water also at 25 degrees Celcius. The final equilibrium temperature of the resulting solution is 60.8 degrees celsius. What is the enthalpy of solution delta H subscript 8 of LiCl ..
the compounds magnesium oxide (MgO) and calcium sulfide (CaS) is 82.1% by mass calcium sulfide . The compound calcium sulfide is 55.6% by mass calcium. Calculate the mass (g) of calcium in the mixture.
What would be the chemical potential of the gas at the same temperature but at pressure P? Assume ideal gas behavior
Suppose we doubled the volume of the solution (by adding more solvent) while keeping the quantities of the reactants constant in a SN1 reaction.
Diamond is the hardest substance and the best conductor of heat yet characterized. For these reasons, it is used widely in industrial applications that require a strong abrasive.
A solution of ethanol (C2H5OH) in water is prepared by dissolving 63.5 mL of ethanol (density = 0.79 g/cm3) in enough water to make 250.0 mL of solution.
When current is allowed to flow, which species is oxidized. What is the value of E0cell
A buffer is prepared by mixing 429 mL of 0.255 M NaOH with 677 mL of 0.795 M sodium bicarbonate (NaHCO3). Given that the Ka1of H2CO3 is 4.5 x 10-7
Complete combustion of methane When methane () burns, it reacts withoxygen gas to produce carbon dioxide and water. The unbalancedequation for this reaction is This type of reaction is referred to as a complete combustionreaction. PART A What coef..
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