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What is the boiling point of a solution that is produced by adding 650 g of cane sugar (molar mass is 342.3 g/mol) to 1.5 kg of water? Cane sugar is a molecular substance.
How would a Dietary resin that absorbs bile salt reduce plasma cholesterol level( please give me a detailed biochemistry explanation
Write down the full Hamiltonian for a He atom moving freely in space, i.e., there is no external potential. b) Now assume there is no repulsion between the electrons
A gas expands and does P-V work on the surroundings equal to 343 J. At the same time, it absorbs 159 J of heat from the surroundings. Calculate the change in energy of the gas.
Describe the apparent relationship between H3O and OH concentrations when an endpoint is reach in acid-base titration.
consider radiation of wavelength of 8000 Angestroms, at a temprature of 1000 K. using a planck law, calculate the energy per unit volume
Scrubbers use aqueous slurries of calcium hydroxide to remove the SO2 from flue gases. Write a balanced equation for this reaction
Calculate the pH of a buffer solution that contains 0.25 M benzoic acid (C6H5COOH) and 0.15 M sodium benzoate (C6H5COONa). Ka= 6.5 x 10^-5 for benzoic acid. Please show your work for how you got this.
The infrared spectrum of phenacetin shows absorption bands at the following positions. Match each absorption band with the structural characteristic indicated by that absorption band.
Calculate the mass of KClO3 decomposed. The vapor pressure of water at 28 °C is 28.3 mmHg. (Hint: The gases collected are a mixture of oxygen and water vapor
When 100 mL each of 2.0 × 10-4 M Ca2+ and 2.0 × 10-2 M F- are mixed, what is the remaining Ca 2+ ion concentration and is precipitation complete. The solubility product constant of CaF 2 is 5.3 × 10-9.
What mass of solid sodium hypochlorite (molar mass = 74.44 g/mol) should be added to 1.0 L of 0.255M hypochlorous acid to make a buffer with a pH of 7.54?
Define partial molar quantity and hence write an expression for a thermodynamic quantity in terms of its partial molar values. Two liquids A and B with molar masses of 18g mol-1 and 46 g mol-1, respectively are mixed to give a solution in which th..
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