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Nickel metal is plated as an underplating on steel surfaces that are to be chrome or gold plated. The nickel metal in a rinse bath following the nickel plating process is found to contain both nickel ion (Ni2+) and calcium ion (Ca2+) at 0.02 M. A) Can the concentration of nickel ion be reduced to 1.0 x 10-5 M by precipitation of the nickel ion as nickel hydroxide without precipitating the calcium ion as calcium hydroxide? The Ksp of calcium hydroxide is 6.5x10-6 and the Ksp of nickel(II) hydroxide is 6x10-13
Calculate the calorimeter constant. The enthalpy of combustion of antracene is -7061 kJ/mol.
An organofluorine compound has a density of 0.773 g/L at 18.5 C and 223 mm Hg pressure. calculate the molar mass of the compound
What is the theoretical yield of aluminum oxide if 1.60 mol of aluminum metal is exposed to 1.50 mol of oxygen?
what is the presentage compostition of both of the components, which is the limiting reagent (if there is) and what is the theoretical yeild of each of them.
Identify the two important classes of catalysts. Analyze the chemical reactions that take place when a biological catalyst combines
A solid laboratory sample contains two substances, lead(II) carbonate and potassium carbonate. A 5.000 g sample of this unknown was treated with aqueous nitric acid to dissolve it, then, after further treatment to adjust the acidity
opportunism in health care is especially perceptible in the health insurance markets. consider the area in which you
A student titrated a 15.00mL sample of a solution containing a monoprotic weak acid with NaOH. If the titration required 13.36mL of 0.1015M NaOH to reach the equivalence point, calculate
Description of physical chemistry, Find delta Smix, delta Gmix, delta Hmix, and delta Vmix if 125 g of benzene and 25 g of naphthalene are mixed at 60 degrees C.
How many milliliters of an aqueous solution of 0.180 M manganese(II) bromide is needed to obtain 12.8 grams of the salt ?
What is the gas pressure (in atm) inside a 1.89-L bulb that contains 1.56-g of Ne at a temperature of 21.1 C? Be sure to report the units as atm
Calculate the pH of a buffer solution composed of 0.10 M butyric acid (CH3(CH2)2COOH, Ka = 1.5 x 1-^-5) and 0.20 M sodium butyrate, (NaCH3(CH2)2COO).
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