Van deemter equation Samenvattingen, Aantekeningen en Examens

What is the Van Deemter equation? - correct answers H = A + B/ux + Cux Independent of flow velocity - correct answers A term Inapplicable in open tubular columns - correct answers A term Inversely proportional to flow rate - correct answers B term Proportional to temperature - correct answers D (diffusion coefficient) / B term (longitudinal diffusion) Proportional to linear flow velocity - correct answers C term Inversely proportional to temperature - correct answers C term (th...

Van Deemter Equation - correct answers A-term: multiple paths - correct answers - only affects packed columns - A term goes down with uniformly packed columns - smaller SP particles decrease A - no A term in OT because there are no particles A term band broadening - correct answers different particles take different paths with varying lengths and times to get out of column B term: longitudinal diffusion - correct answers - smaller molecules diffuse more than larger molecules - incr...

Extraction - correct answers Transfer of a solute from one phase to another Eluent - correct answers Fluid entering the column Partition Chromatography - correct answers Separation based on solute dissolving into stationary liquid Ion-Exchange Chromatography - correct answers Separation based on charge, stationary phase is made of either negatively or positively charged beads Size Exclusion Chromatography - correct answers Separation based on molecular size, larger molecules elute fi...

Which if the following blood tests is used to diagnose gout? A. Alkaline phosphatase (ALP) B. Amylase C. Uric acid D. Creatinine C. Uric acid Select the equation which is used to determine the pH of a solution containing a weak acid and its salt. A. Van Deemter equation B. Van Slyke equation C. Nernst equation D. Henderson-Hasselbalch equation D. Henderson-Hasselbalch equation All of the following are directly involved in the production of semen EXCEPT? A. Prostate...

AAB MT Chemistry Review Exam, Questions and Answers_100% A+ Graded Which if the following blood tests is used to diagnose gout? A. Alkaline phosphatase (ALP) B. Amylase C. Uric acid D. Creatinine - CORRECT ANSWER-C. Uric acid Which if the following blood tests is used to diagnose gout? A. Alkaline phosphatase (ALP) B. Amylase C. Uric acid D. Creatinine - CORRECT ANSWER-C. Uric acid Select the equation which is used to determine the pH of a solution containing a weak acid and...

AAB MT Chemistry Review Exam Questions and Answers Which if the following blood tests is used to diagnose gout? A. Alkaline phosphatase (ALP) B. Amylase C. Uric acid D. Creatinine - Ans ️️ -C. Uric acid Select the equation which is used to determine the pH of a solution containing a weak acid and its salt. A. Van Deemter equation B. Van Slyke equation C. Nernst equation D. Henderson-Hasselbalch equation - Ans ️️ -D. Henderson-Hasselbalch equation All of the following are dire...

Extraction - correct answers Transfer of a solute from one phase to another Eluent - correct answers Fluid entering the column Partition Chromatography - correct answers Separation based on solute dissolving into stationary liquid Ion-Exchange Chromatography - correct answers Separation based on charge, stationary phase is made of either negatively or positively charged beads Size Exclusion Chromatography - correct answers Separation based on molecular size, larger molecules elute fi...

Which if the following blood tests is used to diagnose gout? A. Alkaline phosphatase (ALP) B. Amylase C. Uric acid D. Creatinine C. Uric acid Select the equation which is used to determine the pH of a solution containing a weak acid and its salt. A. Van Deemter equation B. Van Slyke equation C. Nernst equation D. Henderson-Hasselbalch equation D. Henderson-Hasselbalch equation All of the following are directly involved in the production of semen EXCEPT? A. Prostate...

Which if the following blood tests is used to diagnose gout? A. Alkaline phosphatase (ALP) B. Amylase C. Uric acid D. Creatinine - Answer- C. Uric acid Select the equation which is used to determine the pH of a solution containing a weak acid and its salt. A. Van Deemter equation B. Van Slyke equation C. Nernst equation D. Henderson-Hasselbalch equation - Answer- D. Henderson-Hasselbalch equation All of the following are directly involved in the production of semen EXCEPT? A...

What is the maximum amount of time a specific solute band will spend in the mobile phase of a chromatography column? - correct answers tm Which of the following is NOT an advantage of the use of OPEN TUBULAR columns (capillaries) over packed columns? - correct answers A. smaller plate height (H) B. [[[[greater column capacity]]]] C. faster flow rates D. No A-term in the van Deemter equation E. higher separation efficiency Which mode of chromatography separates compounds based on th...