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The acid dissociation constants listed in most standard reference texts for carbonic acid actually apply to dissolved CO2. For a CO2 partial pressure of 8.3×10-4 atm in the atmosphere, what is the pH of water in equilibrium with the atmosphere?
If the volume of ocean water (calculated above) contains 3.7 percent sodium chloride ("salt") by mass and the density of the water is 1.41 g/mL.
it the pH of a strong acid solution nearer to O and a strong base to 14 while a weak adis and base are closer to there perspective approach to 7?
Consider a solution formed by mixing 60.0 mL of 0.100 M H2SO4, 30.0 mL 0.100M HOCl, 25.0 mL 0.180M NaOH and 25.0 mL 0.100 M Ba(OH)2. Calculate the pH of this solution
Rank from longest to shortest distance. To rank the items as equivalent, overlap them.
A 50 mL sample of 0.5 M HCl is titrated with 0.5 M NaOH. What is the pH of the solution after 28 mL of NaOH have been added to the acid
A solution of .637g of the solid in 24.1g of the solvent diphenyl gave a freezing point depression of 1.76 degree celsius. Calculate the molar mass and molecular formula of the solid(k1 for diphenyl is 8.00 degree celsius/m)
Draw a diagram showing the hydrogen bonding of an ammonia molecule with two other ammonia molecules. (Draw complete Lewis structures.
Acetylene gas (C2H2) used in welding, produces an extremely hot ?ame when it burns in pure oxygen according to the reaction 2 C2H2(g)+5 O2(g) -→ 4 CO2(g)+2 H2O(g)
To qualify to run in the 2005 boston marathon, a distance of 26.2 mile, an 18 years old women had to have completed another marathon in 3 hours and 40 minutes or less. To qualify, what must a woman's average speed have been
you have a 100 mL graduated cylinder containing 50 mL of water. You drop a 175 g piece of brass(density 8.56g/cm^3) into the water. To what height does the water rise in the cylinder?
Predict the order of elution for the silica gel adsorption TLC separation of the mixture containing benzyl alcohol, benzaldehyde, and benzoic acid using methylene chloride solvent. Explain
The final temperature of the mixture is 27.0 degrees celsius. What is the heat capacity of the unknown substance?
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