MasteringChemistry .edu/webapps/assessment/take/launch.jsp?course_assessment_id%3_1575667_1&course_id%3_592130_1&content_id%3D_39106439 18 Up pe Maps M Gmail YouTube O Maps * Question Completion Status: QUESTION 4 A student takes 92 ml of a 0.0245 molar KOH solution and dilutes it to a final volume of 4,314.5. What is the pH of that resultant dilute solution? (report pH to two decimal places and include NO units in your answer) QUESTION 5 A student is told by their chemistry professor that he thinks he remembers that the ion product constant for water (Kw) has a value of 1.51x10-14 provided by their chemistry professor from his questionable memory, what is the calculated pH of water at 40 °C ? (Enter your number with 2 decimal places and do NOT include "pH" as a unit in your answer.) when water has the same temperature as that of a human running a hot fever of 40 °C. Based only on this information QUESTION 6 Given the information for equilibria (1) and (2) below, find the equilibrium constant for equilibrium (3). (You may consider all of the equilbria below to be homogeneous equilibria. Give your answer to 2 significant figures). (Equilibrium 1) 2P + Q --> 2R (K1= 4.5) (Equilibrium 2) 2P --> Q (K2 = 1.8) (Equilibrium 3) R--> Q (K3 = ??) Click Save and Submit to save and submit. Click Save All Answers to save all answers. Save All A O00 000 E1 F2 DII DD F3 F4 F5 F6 F7 F8 F9 F10 24 & 4 8.
MasteringChemistry .edu/webapps/assessment/take/launch.jsp?course_assessment_id%3_1575667_1&course_id%3_592130_1&content_id%3D_39106439 18 Up pe Maps M Gmail YouTube O Maps * Question Completion Status: QUESTION 4 A student takes 92 ml of a 0.0245 molar KOH solution and dilutes it to a final volume of 4,314.5. What is the pH of that resultant dilute solution? (report pH to two decimal places and include NO units in your answer) QUESTION 5 A student is told by their chemistry professor that he thinks he remembers that the ion product constant for water (Kw) has a value of 1.51x10-14 provided by their chemistry professor from his questionable memory, what is the calculated pH of water at 40 °C ? (Enter your number with 2 decimal places and do NOT include "pH" as a unit in your answer.) when water has the same temperature as that of a human running a hot fever of 40 °C. Based only on this information QUESTION 6 Given the information for equilibria (1) and (2) below, find the equilibrium constant for equilibrium (3). (You may consider all of the equilbria below to be homogeneous equilibria. Give your answer to 2 significant figures). (Equilibrium 1) 2P + Q --> 2R (K1= 4.5) (Equilibrium 2) 2P --> Q (K2 = 1.8) (Equilibrium 3) R--> Q (K3 = ??) Click Save and Submit to save and submit. Click Save All Answers to save all answers. Save All A O00 000 E1 F2 DII DD F3 F4 F5 F6 F7 F8 F9 F10 24 & 4 8.
Chapter11: Solving Equilibrium Problems For Complex Systems
Section: Chapter Questions
Problem 11.3QAP
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.edu/webapps/assessment/take/launch.jsp?course_assessment_id%3_1575667_1&course_id%3_592130_1&content_id%3D_39106439 18
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* Question Completion Status:
QUESTION 4
A student takes 92 ml of a 0.0245 molar KOH solution and dilutes it to a final volume of 4,314.5. What is the pH of that resultant dilute
solution? (report pH to two decimal places and include NO units in your answer)
QUESTION 5
A student is told by their chemistry professor that he thinks he remembers that the ion product constant for water (Kw) has a value of
1.51x10-14
provided by their chemistry professor from his questionable memory, what is the calculated pH of water at 40 °C ?
(Enter your number with 2 decimal places and do NOT include "pH" as a unit in your answer.)
when water has the same temperature as that of a human running a hot fever of 40 °C. Based only on this information
QUESTION 6
Given the information for equilibria (1) and (2) below, find the equilibrium constant for equilibrium (3).
(You may consider all of the equilbria below to be homogeneous equilibria. Give your answer to 2 significant figures).
(Equilibrium 1) 2P + Q --> 2R (K1= 4.5)
(Equilibrium 2) 2P --> Q
(K2 = 1.8)
(Equilibrium 3)
R--> Q
(K3 = ??)
Click Save and Submit to save and submit. Click Save All Answers to save all answers.
Save All A
O00
000
E1
F2
DII
DD
F3
F4
F5
F6
F7
F8
F9
F10
24
&
4
8.
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