Calculate the value of the partition coefficient
At 20°C only 0.24 g of an organic acid "A" dissolves in 100. mL of water, but 2.70 g of the same acid dissolves in 100. mL of ether. Calculate the value of the partition coefficient.
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Write expressions for the equilibrium constants for the following reactions: Formulate these expressions in terms of the degree of dissociation.
Write a balanced equation for the decomposition reaction described, using the smallest possible integer coefficients.
Which of the following accurately describes the change that occurs when liquid water is frozen into an ice cube. A. A physical change B. A chemical change C. Both a physical and chemical change D. Neither a physical nor a chemical change
Rank the following nitrogen compounds in order of decreasing oxidation number for nitrogen. Rank from highest to lowest oxidation states. N2,NO2,NO2-,NH3,NO^-3,NO
Calculate the concentration of the hydronium ion in a 3.433 * 10^(-2) M solution of potassium perchlorate acid to the correct number of significant figures or decimal places.
Given that mercury has a Hvap of 59.11 kJ/mol and its normal boiling point is 356.7°C, calculate the vapor pressure in mm Hg at room temperature, 25°C.
The percentage of Se in peroxidase anhydrous enzyme is 0.5% by weight (atomic weight = 78.4). Then minimum molecular weight of peroxidase anhydrous enzyme is (a) 1.568 × 104 (b) 1.568 × 103 (c) 15.68 (d) 3.136 × 104
Polar solute, polar solvent. Nonpolar solute, Nonpolar solvent. Or Nonpolar solute, Polar solvent
A hypothetical reaction X + 2Y ® Products is found to be first order in X and second order in Y. What are the units of k, the specific rate constant, if reaction rate is expressed in units of moles per liter per second? A) M•s-1 B) M-2&bu
Calculate the pH when 8.14 g of NaClO is added to 445.5 mL of 0.50 M HClO. Ignore any changes in volume.
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