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The Henry's Law constant for N2 in water at 25 degrees celsium is 8.4 * 10-7 mol L^-1 mmHG^-1.
Calculate the solubility of N2 in mol/L if its partial pressure is 1520 mmHG.
Calculate the solubility when the N2 partial pressure is 20 mmHG.
The bond energies are: C H 416 kJ/mol; C C 356 kJ/mol; C C 598 kJ/mol; O O 498 kJ/mol; C O 803 kJ/mol; H O 467 kJ/mol.determine the heat of combustion of ethylene ?
3.21 grams of a protein that has a molar mass of 16,000 g/mol are dissolved in 25.0 mL of water at 25 ºC. Calculate the osmotic pressure in mmHg.
Rxn of triphenylphosphine with benzyl bromide produces the corresponding phosphonium salt.
A flask that can withstand an internal pressure of 2491 torr, but no more, is filled with a gas at 21.0°C and 758 torr and heated. At what temperature will it burst?
Based on the 4 attached spectra, propose a structure for the unknown organic compound. Please explain each spectrum (IR, H NMR, C NMR, & Mass Spec)
The specific heat of solid gold is 0.13 J/g C. How much heat is needed to raise the temperature of 25.0 g of gold from 23degrees C to it's melting point at 1063 degrees C
A solution of 0.2113 g of water dissolves in 25.0 g of a solvent which freezes at 11.5 EC below the freezing point for the pure solvent. What is the Kf value for this solvent?
which gives the order for first ionization energies smallest to largest
The standard enthalpy of formation for ammonia NH3 is -46.2kj/mol. How much heat is released/absorbed when 1 mole of N2 is reacted with three moles of H2 to produce ammonia
in the experiment of recrystallization of naphthalenewhat is the additional step should be added to this procedure to
calculate the composition of the vapor (in terms of mole fractions) at 25°C. At 25°C, the vapor pressures of pure CH2Cl2 and pure CH2Br2 are 133 and 11.4 torr, respectively.
Calculate the pH of the solution that results when 40.0 mL of 0.100 M NH3 is mixed with 20.0 mL of 0.250 M HCl solution.
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