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Caprylic acid (144.21g/mol), pKa= 4.89, density= 0.910 g/cm3, solubility= 0.068g/100mL, melting point= 16.7 c, boiling point= 239.7 c
What is the pH of a saturated aqueous solution of caprylic acid?
The heat energy required to melt 1.00 g of ice at 0°C is 333 J. If one ice cube has a mass of 62.0 g, and a tray contains 16 ice cubes, what quantity of energy is required to melt a tray of ice cubes to form liquid water at 0°C?
Explain, in detail, how you would prepare this solution so a labmate could prepare it from your instructions
Arrange the following ionic compounds in order of decreasing amount of energy released in lattice formation:
Compute molar mass of ethanol after calculated molar mass in an experiment and the given molar mass of ethanol is 46.07g
A 10.00 ml solution of zn^2+ of unknown concentration was mixed with 25.00 mL test reagent (a known excess) and diluted to a final total volume of 200 ml to produce a colored solution having an Absorbance of 0.104 at a certain wavelength.
Calculate the concentration of Cu2+ in a solution prepared by adding 5.2 x 10 -3 mol of CuSO4 to 0.450L of 0.38 M NH3.
When no single electronic formula can be drawn for a stable molecule so as to maintain the octet rule and still fit the observed properties, the situation is best described in terms of
what is the density of a sample of ammonia gas if the pressure is 705 mmHg and the temperature is 63.0 degrees C
A certain first-order reaction (A->product) has a rate constant of 7.50×10-3 at 45 . How many minutes does it take for the concentration of the reactant, , to drop to 6.25 of the original concentration?
The density of acetic acid vapor at the narmal boiling point, 118.5 degrees C, is given as 3.15 g/L (normal boiling point is the boiling point at P =1 atm). a) calculate the fraction of the vapor that is the monomer and the fraction that is the dim..
What is the minimum flow rate of water (? = 0.990 g/mL) required to scrub out 90.0% of the incoming NH3? What is the mole fraction of NH3 in the scrubbed waste gas stream?
the cytoplasmic concentration is 0.4 micromolar, and the extracellular concentration is 1.5 micromolar, and the membrane potential is -60 mV?
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