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By using any titration curve as a reference devise a rule for determining whether or not an acid is protonated in solution. This rule should incorporate both the pH of the solution and the pKa of the acid.
Calculate the total salt concentration (in mole litre-1) of a cup of soup assuming that both the sodium and potassium are added as chloride salts. What is the concentration of chloride in gram per 100 mL?
Using information from the table of Standard Thermodynamic Data, calculate the equilibrium constant, Keq, for the reaction given below at 298 K.
calculate the amount of heat required to completely sublime 34.0g of solid dry ice at its sublimation temperature. the
laws of thermodynamics. Why is there no law for the conservation of entropy?
A particular first-order reaction has a rate constant of 1.35 × 10^2 s-1 at 25°C. What is the magnitude of k at 75°C if Ea = 85.6 kJ/mol?
Consider the weathering reaction describing the breakdown of K-feldpar to form the clay mineral kaolinite, a reaction of particular importance in tropical soils
How many grams of sodium lactate should be added to 1.00 L of 0.150 M lactic acid to form a buffer solution with pH= 4.00? Assume that no volume change occurs when the sodium lactate is added.
Pure gold can be made into extremely thin sheets called gold leaf. Suppose that 5.0 x 102 kg of gold is made into gold leaf having an area of 3620 m2.
How many milliliters of 0.02 N standard versenate solution would be required in the API titration for total hardness? b) Express the concentrations of Ca2+ and Mg2+ in parts per million
What is the pH of this solution? What is the concentration of the molecular species H3PO4?
a 0.525-g sample of a compound is dissolved in enough water to form 100.0 ml of solution. this solution has an osmotic
One mole of an ideal gas is subjected to the changes below. Calculate the change in temperature for each case
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