Chem 210 Final Exam Newest Questions And Answers (2023/2024) (Verified By Expert)

if the Ecell = 0.023 V versus S.C.E., what is the cell potential versus Ag|AgCl? {Ans: 0.068 V}a dead battery is a galvanic cell... {Ans: at equilibrium}the temperature program for a separation starts at a temperature of 50*C and ramps the temperature up to 270*C at a rate of 10*C/min. which statement is NOT true for this separation? {Ans: strongly retained analytes will give broad peaks}a potential difference at an interface between a metal and electrolyte solution is due to... {Ans: charge transfer}how many liters of a 2 M Ba(OH)2 are needed to titrate a 4 L solution of 6 M H3PO4? {Ans: 18 L solution: (4 x X) = (4 x 18)}for liquid junction potential to be nearly zero... {Ans: the external solution concentration must be equal to the internal solution concentration}the Zn2+ ion interferes with a Ca2+ ion-selective electrode more than the same activity of Mg2+ does. this means that... {Ans: the selectivity coefficient is higher for Zn2+ than for Mg2+}which of the following statements are true regarding the effect of flame temperature on atomic absorbance and atomic emission spectroscopy? {Ans: (1) varying the flame temperature by 10 K hardly