Chem equations - Study guides, Class notes & Summaries
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CHEM 120 Exam 2 2023: Chapters 5,6,7,8 (With Answer Key) 100% CORRECT (PASS GUARANTEE) - Chamberlain College of Nursing
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CHEM 120 Exam 2 2023: Chapters 5,6,7,8 (With Answer Key) 100% CORRECT (PASS GUARANTEE) - Chamberlain College of Nursing 
 
PART 1: Multiple Choice questions: Q 1-24. (2 point each) 
 
1.	Chemical reactions (equations) show the following 
a.	Reactants 
b.	Products 
c.	Physical state of each (gas or liquid or solid) d. All of the above 
2.	The following is true for a mole 
a.	It is also known as Avagadro’s number 
b.	It contains 6.022 * 1023 molecules 
c.	It contains mass equivalent to molecular...
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CHEM Act B5 HEAT-SI Lab Report Heat Relationships in Physical and Chemical Processes Answered 2024.
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CHEM Act B5 HEAT-SI Lab Report Heat Relationships in Physical and Chemical Processes Answered 2024. 
Act B5 HEAT-SI Lab Report Heat Relationships in Physical and Chemical Processes 
Parts I - III 
Act B5 Online URL: 

The computer will simulate a calorimetry experiment involving dissolving various ionic salts in 
water. The following compounds should be available for testing: ammonium nitrate, sodium 
nitrate, calcium nitrate, magnesium nitrate, sodium chloride, calcium chloride, ammonium 
chlor...
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CSM CHEM 210 Final Exam Questions and Answers 100% Solved
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CSM CHEM 210 Final Exam Questions and Answers 100% Solved 
If the fuel efficiency of an automobile is 22 miles per gallon, what is its fuel efficiency in Kilometers per liter? ( 1Km= 0.621 mile, 1.00 L=1.057 quarts and 4 quarts = 1 gallon) 9.4 Km/L 
*What is the correct answer to the following expression: (49.1 - 42.61 ) x 13.1? 85 
An intensive property of a substance is independent of amount. True 
Lithium has two stable isotopes with masses of 6.01512 amu and 7.01600 amu. The average atomic m...
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CHEM 101 TEST QUESTIONS AND ANSWERS ALL CORRECT
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CHEM 101 TEST QUESTIONS AND ANSWERS ALL CORRECT 
 
What evidence did you observe that oxygen is not very soluble in water? - Answer-O2 generated pushed water out of the bottle 
 
what is the source of oxygen in the procedure you used? - Answer-hydrogen peroxide, H2O2 
 
what purpose does manganese dioxide serve in this preparation of oxygen? - Answer-serves as a catalyst in the preparation of oxygen 
 
what gas was in the apparatus before you started generating oxygen? where did it go? - Answer...
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CHEM 103 General Chemistry I with Lab 4 Credits
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CHEM 103 General Chemistry I with Lab 4 Credits 
Prerequisites: High school chemistry (recommended, but not required) 
Instructor: Kenneth Hartman, PhD 
Facilitator: Rodney Austin, PhD 
Heather Dorman, PhD 
H Elaine Frey, MHA 
Kathy Austin, MEd 
Contact Information: Faculty may be contacted through the Portage messaging system 
Additional Information: * 
Course meeting times: CHEM 103 is offered continuously 
Course Description: A systematic investigation of the fundamental principles of chemist...
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chem 121 study guide exam 1 updated 2024 with 100% complete solutions
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CHEM 103 MODULE 2 EXAM 2022
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CHEM 103 
MODULE 2 EXAM 2022 
Question 1 Click this link to access the Periodic Table. This may be helpful throughout the exam. 
Show the calculation of the molecular weight for the following compounds, reporting your answer to 2 places after the decimal. 
1. Al2(CO3)3 
2. C8H6NO4Cl 
1. 2Al + 3C + 9O = 233.99 
2. 8C + 6H + N + 4O + Cl = 215.59 
Question 2 Click this link to access the Periodic Table. This may be helpful throughout the exam. 
Show the calculation of the number of moles in the giv...
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CHEM 120 Exam 2: Chapters 5,6,7,8 (With Answer Key)
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CHEM 120 Exam 2: Chapters 5,6,7,8 (With Answer Key) PART 1: Multiple Choice questions: Q 1-24. (2 point each) 1. Chemical reactions (equations) show the following a. Reactants b. Products c. Physical state of each (gas or liquid or solid) d. All of the above 2. The following is true for a mole a. It is also known as Avagadro’s number b. It contains 6.022 * 1023 molecules c. It contains mass equivalent to molecular weight d. All of the above are true 3. In balancing chemical equations, the coef...
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CHEM 210 Exam 1 Review Questions and Correct Answers, With Complete Solution 2024.
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CHEM 210 Exam 1 Review Questions and Correct Answers, With Complete Solution 2024. 
 
What is a BL acid? BL base? 
Acid is a proton donor while a base is proton acceptor 
List the 6 strong acids 
HClO4, HCl, HBr, HI, HNO3, H2SO4 
List the 6 strong bases 
LiOH, NaOH, KOH, Ca(OH)2, Sr(OH)2, Ba(OH)2 
What is the eq. for the dissociation of a weak acid? 
HA <=> H+ + A- 
 
Ka = ([H+][A-])/[HA] 
What is the eq. for base hydrolysis? 
B + H2O <=> BH+ + OH- 
 
Kb = ([BH+][OH-])/[B] 
What is t...
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Purdue Chem 115 Exam 1 Questions and Answers 100% Pass
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Purdue Chem 115 Exam 1 Questions and Answers 100% Pass What does the X represent Atomic Symbol 
What does the A represent Mass Number 
What does the Z represent Atomic number 
law of concervation of mass the law that states that mass cannot be created or destroyed in ordinary chemical and physical changes 
horizontal on periodic table periods 
vertical on periodic table groups 
What are Ionic compounds made of metal and nonmetal 
What are covalent compounds made of nonmetal and nonmetal 
Describ...
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