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A sample of HCl contains 7.05 x 10-3 mol of hydrogen chloride in 50 cm3 of solution A) write an expression for the term pH B) calculate the pH of this hydrochloric acid C) when water is added to this 50cm3 sample of acid the pH increases, calculate the total volume of the solution when the pH becomes exactly 1.00
Find the pH and the concentration of each of the species of lysine in a solution of .010M lysine monohydrochloride (lysine-HCl)
Assume that you have a cylinder with a movable piston. What would happen to the gas pressure inside the cylinder if you do the following? Decrease the volume to one third the original volume while holding the temperature constant.
suppose you inject 25.0 ml of air into a vessel at 22.0 c which causes the pressure in the vessel to change by 0.30
The vapor pressure of ethyl ether is 7.87 in. Hg at 2°C; 11.8 in. Hg at 12°C; 27.5 in. Hg at 32°C; 29.9 in. Hg at 35°C; 39.3 in. Hg at 42°C. What is the normal boiling point of ethyl ether
The freezing point of benzene is 5.5oC. What is the freezing point depression of a solution of 5.00 g naphthalene (C10H8) in 444 g benzene (Kf of benzene = 4.90oC/m)?
Norborneol synthesis in this manner is stereoselective. So, there are two possible products one endo and one exo. Only one will form, but why aren't there actually four possible products since the alcohol can form on either carbon in the alkene?
Suppose 41.19 g of sulfuric acid is mixed with 10.75 g of sodium hydroxide. Calculate the maximum mass of water that could be produced by the chemical reaction.
Gold can be hammered into extremely thin sheets called gold leaf. A 210. mg piece of gold (density = 19.32 g/cm3) is hammered into a sheet measuring 4.2 1.0 ft. What is the average thickness of the sheet in meters? GIVEN: 2.54 cm = 1 inch
explain with appropriate illustriation the concept of resonance stabilization of
Write a mechanism for the formation of N-(2, 4-dinitrophenyl) aniline via nucleophilic aromatic substitution. Show all resonance forms that stabilize the intermediate in this reaction.
A sample of hydrogen gas at a pressure of 1.07 atm and a temperature of 296oC, occupies a volume of 682 mL. If the gas is cooled at constant pressure until its volume is 572 mL, the temperature of the gas sample will be
Calculate the speed of orbit of electron in m/s
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