Chapter 3, Problem 3.6QAP

1. Zn | Zn²+(1.0 M) || Cu²+(1.0 M) | Cu 2. Zn | Zn²+(1.0 M) || Cu²+ (0.1 M) | Cu 3. Zn | Zn²+ (0.1 M) || Cu²+ (1.0 M) | Cu 4. Zn | Zn²+(1.0 M) || Pb²+(1.0 M) | Pb 5. Zn | Zn²+ (1.0 M) || Pb²+ (0.1 M) | Pb 6. Zn | Zn²+ (0.1 M) || Pb²+(1.0 M) | Pb 7. Zn | Zn²+(1.0 M) || Ag* (0.1 M) | Ag Ecell (measured) 0.890 0.810 0.730 0.350 0.330 0.280 1.200 Reaction Quotient E cell (calculated) Ecell (calculated)

You work in a research organization that is looking for markers of various diseases that can be used as a diagnostic for the disease. It has been reported in the past that high levels of Cu are found in the sweat of people with cystic fibrosis. One of the research projects is focused on looking for high levels of Cu in samples that can be obtained non-invasively such as saliva, sweat, hair, nails, etc. The lab will analyze large samples for Cu. What instrument would you recommend purchasing to support this work, Atomic absorption spectrophotometer or an inductively coupled plasma atomic spectrophotometer? Explain the basis for your decision.

Simplify. Write each answer in scie 17) (5.4x 10")는 (7X/0") 19) (6 x 10°(4 x 10-1) 21) (7.68 x 10:)는 (9x/0°)

5. The color change of a chemical indicator requires an overtitration of 0.03 mL. Calculate the percent relative error if the total volume of titrant is a. 50.00 mL b. 10.00 mL 6. From the Gaussian (normal) error curve, what is the probability that a result from a population lies between 0 and +1 σ of the mean? What is the probability of a result occurring that is between +1 σ and +2σ of the mean?

CHM120 Park Lab Notebook F20 Alessandra Fernandez Cuadr Desktop App O Tell me what you want to do m<而< 三 A Styles v K Tags v abc v HCI Ba(NO3)2 K2CO3 AgNO3 Pb(NO3)2 Na,so KI HNO3 4 HCI Ba(NO No 3)2 reaction K2CO3 Evolution of gas White precipitate AGNO3 White No White precipitate reaction precipitate KI No No No White reaction reaction reaction precipitate Pb(NO White 3)2 No White No Yellow precipitate reaction precipitate reaction precipitate HNO3 Evolution of No Evolution No No No gas reaction of gas reaction reaction reaction Na,so No reaction White No White No White No precipitate reaction precipitate reaction precipitate reaction 4 2. Along with written observations, write 1) the molecular equation, 2) complete ionic and 3) net ionic equations for each reaction. stv X Search or type URL * &

11 of 11 I Review | Constants Periodic Table Suppose that you want to construct a line with slope m = 3 that passes through the point (2, 1). You would begin by setting up the equation y = 3x +b If you plug in the coordinates for any point on that line, the two sides of the equation will be equal. Once you've done this, you can solve for b. What is the value of b? Express your answer as an integer. > View Available Hint(s) 8:59 PM 41% 67°F x口ツ 8/31/2021

HP TrueVision HD 4 Texas Workfor Mộc Homework × W. College Physic mical App AN Careers eagleonline.hccs.edu/courses/188795/assignments/3601808 valnabie diler reD 4 dl 10.1Tam Constants | Periodic Table Part O Complete the fourth row. Complete the following table by calculating the missing entries and indicating whether the solution is acidic or basic. Express your answer using two decimal places. Acidic or [H+] [OH-] pH pOH basic? 7.4x10-3 ΑΣφ 3.3x10-10 M pH 8.25 5.73 Is to fa ho II 10 insert

ms3.net/mod/quiz/attempt.php?attempt=3196148&cmid%3D2659383&page=1 The "down arrow" on the far left of the toolbar directly above the space for your answer will take you to the subscript "x2" option. If you can't make it work, then write the subscript on the same line: H20 or H20 will be accepted. Use--> (dash, dash, greater than) for your arrow. Write and balance the chemical equation for the reaction between solid calcium bicarbonate (also called calcium hydrogen carbonate) and aqueous acetic acid to form aqueous calcium acetate, water, and gaseous carbon dioxide. Include all physical states. A - В I U

Calculate the molarity of a NaCI solution prepared by mixing 75.0 mL of a 6.0 M NaCl solution with enough water so that the final volume of the solution is 500.0 mL. For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac).