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At 298K, 125 ml of 0.60 M potassium hydroxide KOH is added to 175 ml of 0.40 M hydrochloric acid HCl. What is the final pH?
The H+ concentration of a 1 M solution of benzoic acid is 8x10^-3 M. What percent of the benzoic acid, C6H5COOH is ionized in this aqueous solution?
What wavelength of light would be absorbed in raising an electron from the second level to the third level.
The boiling point of methanol (CH 3 OH) is 64.7 o C and delta H vap = 71.8 kJ/mol. What is delta S for the vaporization of 2.15 mol of CH 3 OH at 64.7 o C?
when alpha-d-xylofuranose is treated with excess methyl iodide in the presence of ag2o how many equivalents of methyl
A 0.1293 g sample of solid magnesium is burned in a constant-volume bomb calorimeter that has a heat capacity of 1769 J/°C. The calorimeter contains exactly 261 g of water, and the temperature increases by 1.126°C. Calculate the heat given off by ..
Chromium, Manganese, and Barium are all examples of metals that can be prepared in a pure form by combining oxides of these elements with reactive metals
draw Lewis Structures for the following FIVE elements.
During the discharge of an alkaline battery, 4.90of Zn are consumed at the anode of the battery. What mass of MnO2 is reduced at the cathode during this discharge?
In nucleophilic substitution reactions, what is the effect does using 1 degree, 2 degree, and 3 degree substrates have
calculate the mass of urea that should be dissolved in 187 g of water at 35c to produce a solution with vapor pressure
Photosynthesis in plants generate sugars such as glucose (C6H12O6) and oxygen from carbon dioxide and water. how many kilograms of oxygen are produced from photosynthesis of 330 kg of carbon dioxide
What is the value of Keq for the reaction 4 HCl(g) + O2(g) reverse reaction arrow 2 Cl2(g) + 2 H2O(g)?
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