4

# Calculate the pH of = buffer system that contains 0.50 M of NH; (aq) ad 0.15 M of NH,Cl(aq) Note that the Kh value of NH; (aq) Is 1.8 x 10pH:b) Determine the change...

## Question

###### Calculate the pH of = buffer system that contains 0.50 M of NH; (aq) ad 0.15 M of NH,Cl(aq) Note that the Kh value of NH; (aq) Is 1.8 x 10pH:b) Determine the change In pH if 2.00 mL of 0.100 M HCl is added to 0.040 L of the buffer system described In part _ApH:c) Determine the change in pH if 2.00 mL of 0.100 M NaOH is added to 0.040 L of the buffer system described in part a)ApH:

Calculate the pH of = buffer system that contains 0.50 M of NH; (aq) ad 0.15 M of NH,Cl(aq) Note that the Kh value of NH; (aq) Is 1.8 x 10 pH: b) Determine the change In pH if 2.00 mL of 0.100 M HCl is added to 0.040 L of the buffer system described In part _ ApH: c) Determine the change in pH if 2.00 mL of 0.100 M NaOH is added to 0.040 L of the buffer system described in part a) ApH:  #### Similar Solved Questions

##### Froblam 1 19_ Golve eaoh equallon {08 = on checK eaeh #oiution; cheolinu #b= 0nd coneidered part of Ihe problem; "i You don" WIlI deduci polnte chech your problens, ou 0f 17 (which equates 0 7 points out &1 40k.52 - 8 67'037 - 2 = 5x2* + 5 = 2* - 75( 20 _ *) + 1Ox = 2002 (3* 5) - 8x = *-(6 - *)2(5* - 1) + 3x 2- 2x - (2x - 14)(3x - 1) - (x - 3) =18x + 33x + 2(x - 1) =4 - (Sx + 26)2(3x - 2) - Ax = 210.7x + 8 = Sx + 4 11. (2x)(-3) - (10) = ~2x + 2 22(3x - 2) + 18x 2(3x + 16) - 4
Froblam 1 19_ Golve eaoh equallon {08 = on checK eaeh #oiution; cheolinu #b= 0nd coneidered part of Ihe problem; "i You don" WIlI deduci polnte chech your problens, ou 0f 17 (which equates 0 7 points out &1 40k. 52 - 8 67'0 37 - 2 = 5x 2* + 5 = 2* - 7 5( 20 _ *) + 1Ox = 200 2 (3* ...
##### 7. Cabin Fever; disease of people who are stuck in their homes, has mean incidence in Chicago of about _ people per square block: What is the probability of sqquare block has at least twice the mean?
7. Cabin Fever; disease of people who are stuck in their homes, has mean incidence in Chicago of about _ people per square block: What is the probability of sqquare block has at least twice the mean?...
##### '7. (4 pts, 2 pts each) How many protons (p), neutrons (n), and electrons (e) are . in the following atoms or ions: 23 16 Na 02- 11
'7. (4 pts, 2 pts each) How many protons (p), neutrons (n), and electrons (e) are . in the following atoms or ions: 23 16 Na 02- 11...
##### 3. (a) An object thrown vertically with a speed Vo reaches a height h at time t, where:  h= Vot- % 9t2 Write a MATLAB program with a user defined function that computes the height h it reaches at any given time , for a given value of Va: Testyour function to find the height by hand for the case where {-2O secs , Vo-50 m/s and g-9,81 m/s' Write the MATLAB command how you will run/call the function with these given values:  (b) It is desired to compute the sum of the first 15 terms of
3. (a) An object thrown vertically with a speed Vo reaches a height h at time t, where:  h= Vot- % 9t2 Write a MATLAB program with a user defined function that computes the height h it reaches at any given time , for a given value of Va: Testyour function to find the height by hand for the case ...
##### Fued the Gttal enataa â‚¬ua Aenng d areateal equatiea Q5-0-"76J-0
Fued the Gttal enataa â‚¬ua Aenng d areateal equatiea Q 5-0-"76J-0...
##### Write chain rule formula for the following derivative.for w = flxy,2}; x=g(r,s,t), y =hlr,s t) 2=k(r,s,t)dw ow 0x dw dy ow dz 3 dx dt oy ot dz dow 0x dw dy 3 dx dow ow 7f dx dy Jzow 0x dw dy ow dz 3 dx Or 0y ds dz d
Write chain rule formula for the following derivative. for w = flxy,2}; x=g(r,s,t), y =hlr,s t) 2=k(r,s,t) dw ow 0x dw dy ow dz 3 dx dt oy ot dz d ow 0x dw dy 3 dx d ow ow 7f dx dy Jz ow 0x dw dy ow dz 3 dx Or 0y ds dz d...
##### 3 _ braw Y shnctrt W metld wauge 4 What K I MUML He maluulsx kltw? 0 ) td 6) JlN
3 _ braw Y shnctrt W metld wauge 4 What K I MUML He maluulsx kltw? 0 ) td 6) JlN...
##### A simple random sample from population with normal distribution of 107 body temperatures has * = 98.30'F and s = 0.69*F. Construct 98% confidence interval estimate of the standard deviation of body temperature of all healthy humans_Click the icon to view the table of Chi-Square critical valuesPF<o<(Round to two decimal places as needed: )
A simple random sample from population with normal distribution of 107 body temperatures has * = 98.30'F and s = 0.69*F. Construct 98% confidence interval estimate of the standard deviation of body temperature of all healthy humans_ Click the icon to view the table of Chi-Square critical values...
##### A mountaineerplans tq jump from A tq B gver a cliff: Determine the minimum value gf the angle that it can fallat point B. Considerx = 2.3 m
A mountaineerplans tq jump from A tq B gver a cliff: Determine the minimum value gf the angle that it can fallat point B. Considerx = 2.3 m...
##### 3) Two masses are connected by a string which goes over an ideal pulley as shown to the right: Block A has a mass of mA and can slide along the inclined plane with a coefficient of kinetic friction Ulk: Block B has mass mg. The plane is inclined at an angle of 0.4Ba) (4 points) Show a free-body diagram for each mass by drawing directly on the diagram to the right_b) (3 points) Write the second law equations for each mass below_(3 points) Derive an equation for the mass of block B needed to cause
3) Two masses are connected by a string which goes over an ideal pulley as shown to the right: Block A has a mass of mA and can slide along the inclined plane with a coefficient of kinetic friction Ulk: Block B has mass mg. The plane is inclined at an angle of 0. 4 B a) (4 points) Show a free-body d...
##### Find an equation of the tangent line to the graph of the function at the indicated point. Graph the function and the tangent line in the same viewing window. $$f(x)=x \sin ^{-1} x ; \quad P\left(\frac{1}{2}, \frac{\pi}{12}\right)$$
Find an equation of the tangent line to the graph of the function at the indicated point. Graph the function and the tangent line in the same viewing window. $$f(x)=x \sin ^{-1} x ; \quad P\left(\frac{1}{2}, \frac{\pi}{12}\right)$$...
##### Self-reflective introspection about the elements of experience best describes a technique used by which school of psychology?a. Darwinistsb. Empiricistsc. Structuralistsd. Behavioristse. Psychiatrists
Self-reflective introspection about the elements of experience best describes a technique used by which school of psychology? a. Darwinists b. Empiricists c. Structuralists d. Behaviorists e. Psychiatrists...
##### Find an equation for the line with the given properties. Express your answer using either the general form or the slope–intercept form of the equation of a line, whichever you prefer.$x$ -intercept $=-4 ; y$ -intercept $=4$
find an equation for the line with the given properties. Express your answer using either the general form or the slope–intercept form of the equation of a line, whichever you prefer. $x$ -intercept $=-4 ; y$ -intercept $=4$...
##### What is the power series representation of x/(3-x)?
What is the power series representation of x/(3-x)?...
##### (a) Find the slope of the tangent line to the curve $y=x-x^{3}$ at the point $(1,0)$ $\quad(i)$ using Definition 1 (b) Find an equation of the tangent line in part (a). (c) Graph the curve and the tangent line in successively smaller viewing rectangles centered at $(1,0)$ until the curve and the line appear to coincide.
(a) Find the slope of the tangent line to the curve $y=x-x^{3}$ at the point $(1,0)$ $\quad(i)$ using Definition 1 (b) Find an equation of the tangent line in part (a). (c) Graph the curve and the tangent line in successively smaller viewing rectangles centered at $(1,0)$ until the curve and t...
##### A cruise ship sails due south at 5.50 m/s while a coast guardpatrol boat heads 24.0Â° north of west at 5.60 m/s. What are thex-component and y-component of the velocity of the cruise shiprelative to the patrol boat? (Assume that the +x-axis is east andthe +y-axis is north. Enter your answers in m/s.)
A cruise ship sails due south at 5.50 m/s while a coast guard patrol boat heads 24.0Â° north of west at 5.60 m/s. What are the x-component and y-component of the velocity of the cruise ship relative to the patrol boat? (Assume that the +x-axis is east and the +y-axis is north. Enter your answers i...