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Mole and Chemical Composition Online Inorganic Chemistry Test

February 19, 2021

Good luck with the test. You may use the Flinn Periodic Table, Planner, front and back covers of your test, calculator, and WIFI.  Here is your test. read more

Data for reactions and mole inorganic Chem

February 19, 2021

A 0.77 mg sample of nitrogen reacts with chlorine to form 6.61 mg of the chloride. Determine the empirical formula of the compound and represent the percent composition as a pie chart. read more

Mole Test Article Inorganic Chemistry

February 18, 2021

Use the article to explain the use and method for Oxygen-18 (O-18) isolation and what diseases it detects in humans. Include the other isotopes introduced in the research. An efficient method for separating O-18 from O-16, essential for . . . read more

Chemistry in the Community Interview

February 2, 2021

The project is due on February 19, 2021. Students are to interview a family member over the age of 65 with the following questions in mind: 1) How would you describe the location where you lived as a child--urban, suburban, or . . . read more

Pressure Conversion Chart for Inorganic Chemistry

April 14, 2020

This is an experiment for the conversion factors for the Chapter 12 of Inorganic Chemistry.   Below are the equations we are using for gas laws. Boyle's Law  P1V1=P2V2 . . . read more

Cross Country Calendar for Summer Training 2018

June 13, 2018

Using the link below, you can see the events for running together and how much weekly mileage we have for that training cycle. Our big training goal is to compete in the Bix 7 on July 28th. Send me an e-mail to dladehoff@gmail.com . . . read more

2018 Comet Boys Track Headed to State

May 18, 2018

The 2018 IHSA Class A Sectional at Gibson City May 17, 2018 was the site for 6 events to advance to the State Meet. Qualifiers from Central High School were Isaiah Ditta with a 10:15.45 in the 3200, and a 4:44.17 in the 1600; . . . read more

To contact Mr. Ladehoff

by David Ladehoff

e:mail dladehoff@cusd4.org phone CHS at 815-694-2321 read more

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