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The Ka for HCHO2 (formic acid) is 1.8x10-4 . What is the pH of a solution of 0.20M RbCHO2? Must use an ICE table (Initial Concentration, Change in Concentration, Equilibrium Concentration) and the quadratic formula unless the "x is small" approximation can be used.
Even with a drying tube, leaving phenylmagnesium bromide exposed to air will eventually lead to its decomposition. Why? What is the product of this decomposition pathway?
600.0 mL of 0.240 M perchloric acid, HClO4(aq) was added to a high quality constant-pressure calorimeter containing 400.0 mL of 0.300 M KOH(aq). Both solutions have a density of 1.000 g mL-1 and a specific heat of 4.184 J g-1°C-1.
Magnesium hydroxide is only very slightly soluble in water. The reaction by which it goes into solution is: Mg(OH)_2 (s) Mg^2+ (aq) +2 OH- (aq)
Calculate the mass of glucose in a 110 sample of a 1.14 M glucose solution.
Draw the structure of the product that is formed when but-1-yne is treated with the following reagents:1) disiamylborane; 2) H2O2, KOH; 3) LiAlH4. Disiamylborane = [(i-Pr)(CH3)CH]2BH, a hindered derivative of BH3.
If the vapor pressure of pure water at 25 C is 23.8mmHg What is the partial pressure of water over the solution? Assume ideal behavior for the solution.
Using the molecular orbital model, write electron configuration for the following diatomic species and calculate the bond orders. Which ones are paramagnetic
The pH of uncontaminated rain water is about 5.6. The pH of rain falling in Cleveland, OH is 4.2 and that in Omaha, NE is 5.5. What is the concentration of hydrogen ions in the rainfall of each city? [H] 6.3 ^ -5 for Cleveland.
Background: If aqueous NaOH is added to tert-butyl chloride acetone solution, initially the solution is basic due to the hydroxide ions from the NaOH.
An aqueous CaCl2 solution has a vapor pressure of 83.7mmHg at 50 C . The vapor pressure of pure water at this temperature is 92.6mmHg.
what is the freezing point of an aqueous solution of a nonvolatile solute that has a boiling point of 102.45 0C?
The heat combustion of acetylene, C2H2(g), at 25°C, is -1299 kJ/mol. At this temperature, ?H°f values for CO2(g) and H2O(l) are -393 and -286 kJ/mol
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