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Noura
Questions (12)
explain the Kenya's motto " quality education for Develpoment" write a paragraph.
2 answers
134 views
you order a sandwich Wich is $7 and a soda Wich is $2 you'd like to give your waitress 18% gravity.
how much are you paying at
1 answer
179 views
you order a sandwich Wich is $7 and a soda Wich is $2 you'd like to give your waitress 18% gravity.
How much will she earn in a
1 answer
189 views
Describe the preparation of 5 liters of a 0.3 M acetate buffer, pH 4.47, starting from a 2 M solution of acetic acid and a 2.5 M
1 answer
366 views
The weak acid, HA, is 0.1 % ionized in a 0.2 M solution. (a) What is the equilibrium constant for the dissociation of the acid
1 answer
396 views
The weak acid, HA, is 0.1 % ionized in a 0.2 M solution. (a) What is the equilibrium constant for the dissociation of the acid
1 answer
430 views
The Ka for a weak acid, HA, is 1.6x10-6. What are the (a) pH and (b) degree of ionization of the acid in a 10-3 M solution? (c)
1 answer
1,600 views
Describe the preparation of 5 liters of a 0.3 M acetate buffer, pH 4.47, starting from a 2 M solution of acetic acid and a 2.5 M
1 answer
624 views
What are the concentrations of HOAc and OAc- in a 0.2 M “acetate” buffer, pH 5.0? The Ka for acetic acid 1.70x10-5 (pKa
3 answers
1,553 views
Write the Java code of the method Mirror that takes one 2-dimentional array (squared
matrix) A1, and returns 2D array A2 which is
0 answers
548 views
Write a java method that will take two sorted stacks A and B (min on top), and return one
stack D that is sorted (min on top).
0 answers
570 views
2. A sample of a gas occupied a volume of 1.40 liters when the pressure was 768 torr and the temperature was 26.9 °C. The
0 answers
469 views
Answers (7)
Sir, In the HH equation, you assumed that PKA is 4.77 although it is not given, how did you acquire that number because I have tried to calculate it but there is insufficient data. Thanks in advance.
Is it correct like that? Thanks in advance 5=4.77+log(b/a) b/a=1.698 b+a=0.2 (1.698*a)+a=0.2 A=0.074M B=0.1259M
U look to me you are a student in Ankara
Aytue u seem to be a student in Ankara
between 20 and 30. When you put me into 5 equal groups, there is an odd number in each group and one is left over. What number am 1? sMiggle Draw a picture.
50(0.0005847953
An organic comound is a macro moleucle, which are large molecules that contain carbon and hydrogen that are made by smalled units
