For a peptide with a log P equal to 0, What is the ratio x:y concentration ratio of the peptide in octanol to aqueous phase? For a peptide with a log P equal to 0, What is the ratio x:y concentration ratio of the peptide in octanol to aqueous phase?
a)x=1; y=0
b)x=1; y=1
c) Can't be determined
d) x=0; y=0
For a peptide with a log P equal to 0, What is the ratio x:y concentration...
The Kow of 1,2,4-trichlorobenzene is 104 (mol/L octanol)/(mol/L water), and the Henry's law constant K is 0.112 mol L-1 atm-. If you have 1 L of water, 500 mL of octanol and 100 mL of air in a sealed flask, what fraction of the 1,2,4-trichlorobenzene will be in the aqueous phase? Notes: (1) The mass of 1,2,4-trichlorobenzene in phase j is M, C x Vj, where C is concentration and V is volume. Total 1,2,4-trichlorobenzene mass = (2) Kow Coct/Cwater...
Q9: Simplify without using a calculator. a) log (64) b) log,(1/3) c) log/2(32) d) log(.00001) Q10: Which statement is true? Make corrections to any of the false statements. a) log (x+y) = log.x+logay b) log.(x/y) = log x/logay c) The statement 39=p is equivalent to q=p. Q11: Use properties of logarithms to expand the expression xVx+3 (x+3) as much as possible. In
2. In the following model, m is the log of the money supply, p the log of the price level, y(y) the log of output (equilibrium output), and E, is the rational expectation of x formed with information on period t-1 data: y' and m are constants; u, is an i.i.d. error term. (a) Briefly explain each equation. (b) hat is the solution for the price level and output? (c) Does monetary feedback policy affect output in this model? Briefly...
I. The random variables X,, where P(success) = P(X = 1) = p = 1-P(X = 0) for1,2,..., represent a series of independent Bernoulli trials. Let the random variable Y be the trial number on which the first success is achieved (a) Explain why the probability mass function of Y is f(y) = pqy-1, y = 12. where q 1- p. State the distribution of Y. 2 part of your answer you should verify this is a marimum likelihood estima-...
6. Find the value of y a. log, 3) = y b. log, = y log (1125) = y d. 10° = y 15 =y 1 e 50 9. 200 7. Given the function and t f(0) = 2 g(x) = 5* Draw the 2 function. Which one grows faster with increasing & 8. Plot f(x) = log, (x) = y log2 (L) =y and g(x) =
Fipronil is a broad-use insecticide commonly used in flea control products for pets. The experimentally determined logP (or logKow) is 4. If this value was determined experimentally, what would you expect the concentration ratio to be for fipronil in octanol: fipronil in water? A. 1,000:1 B. 1:10,000 C. 100:1 D. 10,000:1 E. 4:1
tion? (2) Calculate E(X), E(X2), and Var(X). (3) Calculate F(a) P(X s a) for a (0, 1]. (4) Let Y =-log X. Calculate F(y)-P(Y v) for u 20. Calculate the density of Y.
tion? (2) Calculate E(X), E(X2), and Var(X). (3) Calculate F(a) P(X s a) for a (0, 1]. (4) Let Y =-log X. Calculate F(y)-P(Y v) for u 20. Calculate the density of Y.
The vapor pressure, P, of an aqueous solution of sodium chloride was determined at 23 C. Determine the mean ionic activity coefficient (y+_) for NaCl at each concentration, m. m (mol/kg) P (torr) 0 23.2 0.5 23.57 1 23.2 1.5 22.9
What is the hydronium ion concentration in
an aqueous solution with a hydroxide ion concentration of 0.01 M at
25 °C?
2). What is the hydronium ion concentration in an aqueous solution with a hydroxide ion concentration of 0.01 Mat 25 °C? O A) 1.0x10-2 O B) 1.0x10-5 0 C) 1.0x10-7 O D) 1.0x10-11 O E) 1.0x10-12
2.) Explain why the concentration of Fe(SCN)2+ is equal to the
intial concentration of the SCN- for each solution in part A?
3.) also!!
thank you!!! :)
Post-Lab Questions: A solution is made by mixing 5.00 ml. of 0.00300 M Fe(NO,)s with 4.00 mL. of 0.00300 M KSCN and 3.00 mL. of 1.0 MHNO,. After equilibrium is established, the concentration Fe(SCN)P was determined to be 2.72 x 10* M. Calculate the value of the equilibrium constant for the reaction. Fe...