Category Archives: Uncategorized

4/20/2017

Resources:   An Excellent Overview of Redox Chemistry, CH217-Redox.1.2016,  pe-pH diagrams, Arsenic in Ground Water Carbonate Constants 2017                                       Homework:  Redox Homework due: … Continue reading

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4/16/2017 – Lakes

Reading: Nutrient Cycling in Lakes In the News:  Bubbles as a remedy for ocean acidification? Second Exam 4/28/17:  CH217 Exam II 2016, Exam II Key 2016 Homework:  Due 4/25/2017 Consider a lake of infinite horizontal dimension, a depth of 20 meters, … Continue reading

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4/6/2017 – Water

Overview of Water Properties  – Look UP – Ice Floats Resources:  CH217-Geochem1-2017,  CH217O2 solubility, density of water, density at high salinity, test your equations (view source for the code), solubility of oxygen. Homework:   We are beginning a series of homework assignments … Continue reading

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4/2/2017 – Acid Rain

Reading: Schwartz, S. E. Acid Deposition: Unraveling a Regional Phenomenon http://pubs.acs.org/doi/pdf/10.1021/es040686l – Surface Water Trends Resources:  http://www.epa.gov/airtrends/index.html http://www.epa.gov/region1/eco/acidrain/future.html https://ny.water.usgs.gov/projects/NAPAP/NAPAP_2011_Report_508_Compliant.pdf CH217 Acid Rain 2017

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3/13/2017

Reading:  Jacobs: Chapter 11 and 12. Homework:  Due:  3/30/2017. In May 2015 I purchased a VW Golf Diesel Wagon due to the excellent performance and fuel economy (50 mph at highway speeds).   In September 2015 VW acknowledged that they cheated … Continue reading

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3/7/2017

Reading: Chapters 18, 19, 20, IPCC Reports Homework: 1) Calculate the average global temperature of the earth if it were 20% closer and 20% further away from the sun.   2) How would this average global temperature change with increasing … Continue reading

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2/27/2017

Oldest microfossils suggest life thrived on Earth about 4 billion years ago   Reading: Jacobs 10: Oxone Hole Homework:  due – 3/7/2017 Using the attached ozone model ( ozone model) calculate how much faster the rate constant k4 in the Chapman mechanism needs … Continue reading

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2/20/2017

Reading: Chapter 15 and 16 In the News:   How Lead Ended Up in Flint’s Water ….  And and update on the Flint’s Water Homework:  (due 2/28) Consider the following global phosphorus cycle: Calculate the evolution of atmospheric oxygen assuming zero oxygen … Continue reading

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2/14/2017

  Reading: Chapter 7 and 9 Homework:  (due 2/21)   1) Using the density and depth profiles of the earth shown in figure 7-2, calculate the mass of the Earths inner core, outer core, lower mantle,upper mantle, and crust. 2) Now … Continue reading

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2/2/217

Reading: Langmuir and Broeker, Chapter 1. Earth and Life as Natural Systems Chapter 2. The Big Bang Homework: 1) Ch142 Final 2000: due 2/9/2017 2) Predicting the water level in a bathtub – an example of Steady State systems:  due 2/14/2017. Consider … Continue reading

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