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Question: Calculate the pH of a solution prepared by dissolving 200.0 mg of Ba(OH)2 (171.3 g/mol) to 100.0 mL of solution. Suppose that T= 24 °C and that it is an aqueous solution.
Remember: pKw = pH + pOH
The answer is 12.368 but what is the procedure??
HZ is a weak acid. An aqueous solution of HZ is prepared by dissolving 0.020 mol of HZ in sufficient water to yield 1.00 L of solution
The specific heats of solid and liquid ethanol are 0.97 J/g-K and 2.3 J/g-K, respectively. How much heat (kJ)
A sample containing 4.80 g of gas has a volume of 15.0 L. Pressure and temperature remain constant. What is the new voume if 0.500 mole gas is added?
Calculate the Gibbs free energy (in kJ/mol) at 80 degrees celsius. Assuming that the change in enthalpy is negligible over this temperature range
the partial pressure of o2 in air at sea level is 0.21 atm. using henrys law calculate the molar concentration of o2 in
A 50.0 ml sample of benzene at 16.9 degrees C was cooled to its melting point, 5.5 degrees C and then frozen. How much heat was given off in this process
Calculate the partial pressure of O2 produced from 1.44 L of 0.508 M N2O5 solution at 45 degrees C over a period of 20.6 hours if the gas is collected in a 11.7 L - container.
The temperature of both solutions before mixing was 22.5C and it rises to 24.28C after the acid base reaction so what is the enthalpy change for the reaction per mole of CsOH
a solution of sulphide ct 10-6 m is blended into a 0.4 m sodium chloride solution in a closed container. plot a log
what is different about about the bond that forms between carbon and oxygen and the bond that forms between oxygen and
Write the balanced chemical equation for the following reaction. Phases are optional. Solid iron(II) hydroxide decomposes to form solid iron(II) oxide and liquid water.
The previous best inhibitor is drug candidate AAA, with a Ki value of 10^-6 M. The following data has just come in from the lab for a modification of the same drug candidate, BBB.
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