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Explain what acids cause acidic precipitation? Define what are the primary pollutants that give rise to them? Explain what are their main anthropogenic sources?
A 28.0-g sample of water at 260. K is mixed with 51.0 g water at 310. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings
Write a balanced equation for the single-replacement oxidation-reduction reaction described, using the smallest possible integer coefficients
Tris base (pka =8.1 ; ka = 8.32 e-9) was dissolved in 0.5l of water to give the final concentration of 1 M. a.) find pH of the obtained solution. b.) how much does the pH change after addition of 1 ml of 10N HCl?
A certain substance has a heat of vaporization of 74.45 kJ/mol. At what Kelvin temperature will the vapor pressure be 6.50 times higher than it was at 287 K
Calculate the hydronium-ion concentration and the pH of a 0.0059 M solution of chloroacetic acid. Ka is 1.3 10-3.
Calculate the theoretical yield for the reaction if .80g of succinic anhydride and excess aniline was used. Whis is the percent yield if a student isolates 0.9g of succinimide
Acetylsalicylic acid is a component in aspirin. Through running a titration experiment, how would an incomplete reaction of aspirin with added NaOH affect the calculated amount of acetylsalicylic acid in the aspirin tablet
After 273 m3 of ethylene oxide at 748 kPa and 525 K is cooled to 239 K, it is allowed to expand to 1.10 x 10 3(to the 3rd) m3. What is the new pressure
what is the distribution coefficient for compound A that is soluble in diethyl ether to the extent of 20g/100ml at room temperature and soluble in water to the extent of 5.0g/100ml at the same temperature
What is the concentration of a solution of silver nitrate if 50.0mL of the solution reacting with excess potassium chloride gives 10g of precipitate
B0lecic acid yields steric acid 0n catalytic hydrogenation. ozonolysis of bolecic acid yeilds the following products: cH2 HooH-Cooh hooc(ch2)7 Cooh ohc (CH2)4 Cooh. Prepose a structure for boleic acid.
show that the energy eigenvaules for the free particle E=h2k2/2m are consistent with the classical result E=1/2mv2
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