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Your friend brings you a 1.50 M sample of HONH3Cl and wants yo know the pH. You politely ask for the Ka of the acid and she responds that she only knows that the Kb for HONH2 = 3.0 x 10^-6
(A) Write an equation for the equilibrium reaction and a K expression.
(B) Solve for the pH of the solution.
The equalibrium constant for the reaction AgBr(s) Ag^+(aq)+Br^-(aq) is the solubility product constant, Ksp=7.7x10^-13 at 25 degrees C. Calculate deltaG for the reaction
Calculate the distance (in Angstroms) and energy (KJ/mol) where the molecules are most attractive.
a compound has the empirical formula ch2o. when 0.0866g is dissolved in 1.000g of ether the solutions boiling point is
what volume of rmo2 gas in rm l measured at 795 rm mmhg and 33circ rm c is required to completely react with 54.0 rm g
Using the Henderson-Hasselbalch equation, calculate the pH of an ammonia buffer when the NH3:NH4+ ratio is 0.4 moles:0.6 moles. (pK = 9.75). Please explain and will rate lifesaver.
Find the intrinsic conductivity for germanium. (Assuming ni = 2.5x 1019/m3 at room temperature.)
While cytotoxicity, antiviral activity, and immunosuppressant properties of didemnin-C and of its 8 analogs were excellent to very good, these compounds were, unfortunately, dropped from further studies and development at the stage of human trials..
1. Why does milk go sour and what causes the formation of curd? 2. Explain why during the experiment casein precipitates wheen hydrochloric acid is added to it.
Calculate the binding energy E B of the helium nucleus 4 /2 He .Express your answer in millions of electron volts to four significant figures.
Solubility of ionic compounds in water can either increase, or decrease with increasing temperature, or remain unchanged. Which property of a solute would allow you to predict the direction in which its solubility changes as temperature increases
Determine the % error for the quantity (0.5022g+-0.3mg) 2. Determine the % relative error for the following quantities
If a new solution is made by diluting exactly 10.0 mL of the solution with exactly 20.5 mL of distilled water, what should the absorbance of the new solution be
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