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If 100. grams of liquid water at 100.0 C and 200. grams of water at 20.0 C are mixed in an insulated container, what will be the final temperature of the water? The specific heat of water is 4.18 J/g
Cocaine overdose and addiction are major public health problems. One novel treatment involves the administration of high activity mutants of human butyrylcholinesterase (BChE) (i.e. this would be a protein-based ‘drug') that would hydrolyze and d..
What is the pH of a solution which is 0.021 M in weak base and 0.039 M in the conjugate weak acid (Ka = 7.1 Ã- 10â€"6)? pH=?
If the solubility of NaBr at 25 degree C is 14.3 g/100 g H2O, what mass os NaBr can be dissolved in 300 grams of water
The reaction of Zn and Cu2+ produces a brown solid product. What is the identity of this product. Provide a balanced equation that shows the formation of this brown product
The solubility of nitrogen in water exposed to the atmosphere, where the partial pressure of nitrogen is 593 mmHg, is 5.3 × 10-4 M. At the same temperature, what would be the solubility of pure nitrogen, at a pressure of 760 mmHg
At what temperature would a 1.80 m NaCl solution freeze, given that the van't Hoff factor for NaCl is 1.9? Kf for water is 1.86 degrees C/m. answer in degrees C
When using dichloromethane as a solvent, which would make a good, yet cost effective, drying agent?
Solid NaI is slowly added to a solution that is 0.0091 M Cu+ and 0.0077 M Ag+. Calculate the concentration of Ag+ when CuI
A buffer solution is prepared by placing 5.86 grams of sodium nitrite and 32.6 mL of a 4.90 M nitrous acid solution into a 500.0 mL volumetric flask and diluting to the calibration mark
calculate the mass of CuS produced and the concentration of H+ ion produced by bubbling H2S into 1.00 L of 0.10 M CuCl2 (aq) solution. the net ionic equation
Maleic anhydride reacts with ethylene glycol to produce an alkyd resin. Draw the structure of the condensation
Often reactions of tertiary alcohols or tertiary alkyl halides result in elimination reactions and not substitution reactions
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