A) What is the pH of a solution formed by combining 50.00 mL of
a 0.0855 M acetic acid solution, 25.00 mL of 0.1061 M NaOH solution
and 25.00 mL of deionized water? Show your work.
B) What is the pH when the solution in 1a is diluted 1 mL in 10
mL total volume? Show your work.
C) What is the pH when 25.00 mL of the solution in A has 5.00 mL
of a 0.1056 M HCl solution...
1. a. What is the pH of a solution formed by combining 50.00 mL
of a 0.0855 M acetic acid solution, 25.00 mL of 0.1061 M NaOH
solution and 25.00 mL of deionized water? Show your work.
b. What is the pH when the solution in 1a is diluted 1 mL in 10
mL total volume? Show your work.
c. What is the pH when 25.00 mL of the solution in #1a has 5.00
mL of a 0.1056 M HCl...
a. Explain what is meant by the barrier potential and how it is
formed before any bias is applied. [3 marks] b. When the diode is
forward biased: i. What happens to the barrier potential? [1 mark]
ii. What happens to the depletion region? [1 mark] iii. Indicate on
your diagram the directions in which the holes and electrons move.
[2 marks] c. Explain what is meant by the forward voltage drop of a
diode. [2 marks] d. When the...
Plane Mirrors: The image formed in a plane mirror is
at the same distance in front of the mirror as the object is in
front of the mirror.
at a larger distance behind the mirror than the distance the
object is in front of the mirror.
at the same distance behind the mirror as the object is in
front of the mirror.
at a shorter distance behind the mirror than the distance the
object is in front of the mirror....
Explain the significance of, and the mechanisms behind, slip in
metals. What is a slip system? In a pure material, what governs the
ease of slip? Why are some crystal structures easier to slip than
others? Why are ceramic materials normally very resistant to
slip?
Calculate the pH at 25 degree C of a solution formed by
combining and 0.10 M HC2H3O2(aq) and 0.10 M NaC2H3O2(aq) Calculate
the new pH formed after addition of 0.10 mol of HCl (aq) to 1.0 L
of the solution formed in part (a)
A. Calculate the pH of a solution formed by combining 0.125 mL
of 0.55 M HI with 0.400 mL of 0.14 M KOH at
25°C.
B. Calculate the pH of a solution formed by combining 0.125 mL of
0.55 M HI with 0.400 mL of 0.18 M KOH at
25°C.
C. A 50.00-mL sample of 0.0750 M HCN was titrated with
0.3995 M NaOH. What is the pH of the resulting solution
after 5.00 mL of NaOH were added at...
Which of the following statements are true for an image formed
by a plane mirror?
The
image always appears to be located the same distance behind the
mirror as the object is located in front of the mirror.
The
image formed by a plane mirror is always a real image.
The
image is always larger than the object.
The
image formed by a plane mirror is always an upright image.
The
image formed by a plane...