Chem 120 week 4 Study guides, Class notes & Summaries
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CHEM 120 Week 8 Assignment; Group Project - Stoichiometry & Dosage Calculation (CO 4)
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CHEM 120 Week 8 Assignment; Group Project - Stoichiometry & Dosage Calculation (CO 4)
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CHEM 120 Week 4 DQ 2 Acid and Bases Correctly Answered /LATEST UPDATE VERSION/ GRADED A+
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CHEM 120 Week 4 DQ 2 Acid and Bases Correctly Answered /LATEST UPDATE VERSION/ GRADED A+
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CHEM 120 Week 4 DQ 1 Gases Correctly Answered /LATEST UPDATE VERSION/ GRADED A+
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CHEM 120 Week 4 DQ 1 Gases Correctly Answered /LATEST UPDATE VERSION/ GRADED A+
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CHEM 120CHEM120 Week 4 Assignment
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Week 4 Assignment: 20 points 
1. Solve these ideal gas law problems. Show all work for credit. 
a. A gas occupies 250 mL at 739 mmHg. For a gas at constant temperature, determine the 
volume of gas at 514 mmHg. (1 points) 
P*V=P*V 
739*250 = 514*V 
/514 = 359 
b. Use the molar volume of a gas, at STP, to determine the number of moles of CO2 in 4.00 L of 
CO2 gas. (1 points) 
22.4L/mol 
4*(1/22.4) 
0.179 
c. A sample of nitrogen (N2) has a volume of 50.0 L at a pressure of 2 ATM. What is the volu...
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CHEM 120 Week 4 DQ 2 Acid and Bases Correctly Answered /LATEST UPDATE VERSION/ GRADED A+
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CHEM 120 Week 4 DQ 2 Acid and Bases Correctly Answered /LATEST UPDATE VERSION/ GRADED A+
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CHEM 120 Week 4 DQ 1 CORRECTLY ANSWERED /LATEST UPDATE VERSION/ GRADED A+
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CHEM 120 Week 4 DQ 1 CORRECTLY ANSWERED /LATEST UPDATE VERSION/ GRADED A+
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CHEM 120 Week 4 DQ 2 CORRECTLY ANSWERED /LATEST UPDATE VERSION/ GRADED A+
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CHEM 120 Week 4 DQ 2 CORRECTLY ANSWERED /LATEST UPDATE VERSION/ GRADED A+
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CHEM 120 Week 4 Discussion; Chemistry in the World Around Us
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Initial Post Instructions 
While we often do not realize it, acidic and basic solutions are a part of our daily lives. Pick a solution in your home, work, or even outside (be sure to check the label to make sure that whatever you are measuring is nonhazardous and water based). Some possible solutions are shampoos, beverages, still water in your backyard, contact solution, etc. Research a compound or compounds found in your chosen solution, citing your sources in APA format and predict if the sol...
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CHEM 120 Week 8 Assignment; Group Project - Stoichiometry & Dosage Calculation (CO 4)
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CHEM 120 Week 8 Assignment; Group Project - Stoichiometry & Dosage Calculation (CO 4)
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CHEM 120 Unit 2 Quiz (Sp CHEM-120 Unit 2 Quiz (100% Correct Solutions)
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CHEM 120 Unit 2 Quiz (Sp CHEM-120 Unit 2 Quiz (100% Correct Solutions) (Collection)ring 2021) 
2/25/2020 Week 2 Quiz: Introduction to General Organic and Biological Chemistry with Lab-MCMILLIN 
2/7 
CHEM 120 Unit 2 Quiz (Sp CHEM-120 Unit 2 Quiz (100% Correct Solutions) (Collection)ring 2021) 
Question 1 
2 / 4 pts 
Question 2 
4 / 4 pts 
Submitted Jan 14 at 4:12am This attempt took 30 minutes. 
Match the neutral atom or ion to the correct number of valance electrons. 
You Answered 
Mg 2+ 
Correc...
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