Show all the work and setps. Perform the following calculations using your calculator and then express the answer in the correct units and number of significant figures. 7.945 J + 82.3 J − 0.02 J 0.0012 m − 0.000 45 m − 0.000 11 m 500 g + 432 g + 2 g 31.2 kPa + 0.0035 kPa − 0.147 kPa 312 dL − 31.2 dL − 3.12 dL 1701 kg + 50 kg + 43 kg

Show all the work and setps. Perform the following calculations using your calculator and then express the answer in the correct units and number of significant figures. 7.945 J + 82.3 J − 0.02 J 0.0012 m − 0.000 45 m − 0.000 11 m 500 g + 432 g + 2 g 31.2 kPa + 0.0035 kPa − 0.147 kPa 312 dL − 31.2 dL − 3.12 dL 1701 kg + 50 kg + 43 kg

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter5: Errors In Chemical Analyses

Section: Chapter Questions

Problem 5.12QAP

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A group of students compiled the data shown in data table 1 below. What is the exact calculated order for I-(aq) to 2 decimal places? Exp. # [IO3-]0 (M) [I-]0 (M) [H+]0 (M) Time (s) 1 0.005 0.05 2 x 10-5 22.12 2 0.010 0.05 2 x 10-5 86.84 3 0.005 0.10 2 x 10-5 5.35 4 0.005 0.05 4 x 10-5 2.65 Question 5 options: 1.49 -2.49 -1.72 1.65 2.44 -1.97 -1.53 2.05 2.24 -2.36 -2.13 1.81