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What is the pH of a 0.5901 M solution of NaA. Note: HA is a weak acid with Ka = 6.144x10-8.
Nitric acid is a component of acid rain that forms when gaseous nitrogen dioxide pollutant reacts with gaseous oxygen and liquid water to form aqueous nitric acid.
first generation computers were powered by nickel cadium batteries which generated 1.20 V based on the following reaction Cd(s)+2 NiO(OH)(s)+2 H2O(l)-> Cd(OH)(s)+2 Ni(OH)2(s)
What is the enthalpy of this reaction? Assume that no heat is lost to the surroundings or to the coffee cup itself.
When preparing the solutions for Part A, an aqueous solution of diamine and NaOH is made. Why isn't a solution of NaOH and diacid chloride in cyclohexane made
If 10.10 mL of EDTA is required to titrate the 50.00-mL sample, what is the hardness of the groundwater in molarity and in parts per million of CaCO3 by mass?
Explain why the absolute value of the work done by a process can never be greater than the absolute value of the Helmholtz free energy change.
A proton in a linear accelerator has a de Broglie wavelength of 158 pm, What is the speed of the proton?
Calculate the binding energy per nucleon (in MeV) for P-32 (atomic mass = 31.9739 u). mass H = 1.007825 u and mass n = 1.008665 u.
Determine how much heat is evolved or absorbed when 25.0 of lithium iodide completely dissolves in water. Lithium iodide has a lattice energy of -7.3 X 10^2 kJ/mol and a heat of hydration of -793 kJ/mol.
A 309 mL sample of unknown HCl solution reacts completely with Na_2CO_3 to form 10.1 g CO_2. What was the concentration of the HCl solution?
How many Valence electrons does a balanced atom of Sodium have? What is the net charge on each ion?
predict the outcome of the synthesis of an azo dye using 4-nitroaniline as the diazonium precursor and benzaldhyde as the coupling agent
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