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Calculate the change in pH caused by adding 10.0 mL of 2.24-M HCl to 370. mL of each of the following solutions. a]Water b]0.14M C2H3O2^1- c]0.14M HC2H3O2 d] a butter solution of 0.14 M in each C2H3O21- and HC2H3O2.
Explain briefly how you could prepare the buffer solution in (a) if you had available the solid salt of the only one member of the conjugate pair and solution of a strong acid and a strong base.
The heat of vaporization of water is 40.66 kJ/mol. Assuming sweat is 100% water, how much heat is removed from your body through the evaporation of 1.86 g of sweat
Give the cell diagram notation of the electrochemical cell that could be used to determine experimentally the dissociation constant (Kw) of water. The standard reduction potential for
Given that Ea for a certain biological reaction is 48kJ/mol and that the rate constant is 2.5 x 10^-2 s-1 at 15 degrees celsius
The reaction of acylate ethylbenzene with acetylchloride using a friedel crafts reaction to give 4-ethylacetophenone, then react this with benzaldehyde (aldol)
for question 1, 2, and 3, show states of matter and charges where appropriate. Also find molecular equation, total Ionic Equation, and Net Ionic Equation.
For the decomposition of ammonia on a tungsten surface at 1100 oC 2 NH3 N2 + 3 H2 the average rate of disappearance of NH3 over the time period from t = 0 s to t = 1417 s is found to be 3.40E-6 M s-1. The average rate of formation of N2 over the s..
Count Rumford observed that using cannon-boring machinery, a single horse could heat 11.6 kg of water (T = 273 K) to T = 355 K in 2.5 hours
Metal X was plated from a solution containing cations of X. The passage of 48.25 C deposited 31 mg of X on the cathode. What is the mass of X (in grams) per mole of electrons.
What must the oxygen content (in percent by volume) be when the total pressure exerted on the diver is 4.0 atm?
Phosphorus-32 has a half-life of 14.0days . Starting with 4.00 g of 32p , how many grams will remain after 42.0 days?
The products formed in several reactions are given below. Identify the reactions (labeled x and y) and write the complete balanced equation for each reaction
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