Chem 120 final exam 5 Study guides, Class notes & Summaries
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CHEM 120 Final Exam 2 ( Latest 2023 -2024 ) GRADED A+ (ACTUAL EXAM ) Questions and Answers (Solved)
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Chem 120 Final Exam 2 GRADED A+ (ACTUAL EXAM ) Questions and Answers (Solved) 
 
1. Dalton'sTheory 
Answer: All matter is composed of small invisible particles called atomsAll atoms 
of a given element are alike in mass and other properties 
The atoms of one element are different from atoms of all other elements 
2. Law of Conservation of Mass 
Answer: Matter is neither created nor destroyed 
Atoms of one element cannot be changed into atoms of another element by chemical 
reactions 
3. law of ...
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CHEM 120 Final Exam Review (Latest 2023 - 2024) New Full Exam Questions and Answers ( Included ) 100% Correct
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CHEM 120 Final Exam Review (Latest 2023 - 2024) New Full Exam Questions and Answers ( Included ) 100% Correct 
 
1. significant figures 
Answer: a digit that is either reliably known or closely estimated 
2. Significant Figure Rules 
Answer: 
1. All non-zero digits are always significant 
2. Zeroes between non-zero digits are always significant 
3. Zeroes to left of first non-zero digit (either before or after decimal point) are never 
significant 
4. Zeroes to the right of last non-zero digit 
...
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CHEM 120 WEEK 8 FINAL EXAM
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CHEM 120 WEEK 8 FINAL EXAM 
(TCO 8) 35.0 mL of 0.25 M NaOH is neutralized by 23.6 mL of an HCl solution. The molarity of the HCl solution is (show your work): 
(TCO 7) (a, 5 pts) Given that the molar mass of H3PO4 is 97.994 grams, determine the number of grams of H3PO4 needed to prepare 0.75L of a 0.25M H3PO4 solution. Show your work. 
(b, 5 pts) What volume, in Liters, of a 0.25 M H3PO4 solution can be prepared by diluting 50 mL of a 2.5M H3PO4 solution?
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CHEM 120 Final Exams Set ( Exam 1 - 5 ) Latest 2024 - 2025 | GRADED A (ACTUAL EXAM ) Questions and Answers (Solved)
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CHEM 120 Final Exams Set ( Exam 1 - 5 ) Latest 2024 - 2025 | GRADED A (ACTUAL EXAM ) Questions and Answers (Solved)
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CHEM 120 Final Exam 4 ( Latest 2023 -2024 ) GRADED A+ (ACTUAL EXAM ) Questions and Answers (Solved)
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Chem 120 final exam 4 GRADED A+ (ACTUAL EXAM ) Questions and Answers (Solved) 
 
1. Exam 1- Which of the following correctly describes a physical change? Burning 
a candle, Rusting of iron, Photosynthesis of glucose, Subliming ofdry ice. 
Answer: Subliming of dry ice 
2. If someone is conducting a study on trees, the statement "leaves turn colorin the 
fall b/c the amount of sunlight they receive is reduced is a: 
Answer: Hypothesis 
3. The number of significant figures in the measurement of 45...
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CHEM 120 Week 8 Final Exam Questions-Answers (Version 1) 2023 UPDATE
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CHEM 120 Week 8 Final Exam Questions-Answers (Version 1) 2023 UPDATE6.	(TCO 6) A gas at a temperature of 95 degrees C occupies a volume of 165 mL. Assuming constant pressure, determine the volume at 25 degrees C. Show your work. (Points : 5) 
7.	(TCO 6) A sample of helium gas occupies 1021 mL at 719 mmHg. For a gas sample at constant temperature, determine the volume of helium at 745 mmHg. Show your work. (Points : 5) 
8.	(TCO 12) If one strand of a DNA double helix has the sequence T T A G C G ...
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First Semester Study Guide AP Chem Buck Exam 196 Questions with Verified Answers,100%CORRECT
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First Semester Study Guide AP Chem Buck Exam 196 Questions with Verified Answers 
 
Salts containing which of the following ions are generally insoluble in cold water? 
a. nitrate 
b. acetate 
c. phosphate 
d. potassium 
e. ammonium - CORRECT ANSWER C. Phosphate 
 
Which of the following changes alone would cause a decrease in the value of Keq for the reaction represented above? 
a. Decreasing the volume of the 
reaction vessel 
b. Adding a catalyst 
c. Increasing the volume of the 
reacti...
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CHEM 120 WEEK 8 FINAL EXAM
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CHEM 120 WEEK 8 FINAL EXAM 
 
 
2023 with A+ Grade Solutions 
 
 
 
 
 
1.	(TCO 8) 35.0 mL of 0.25 M NaOH is neutralized by 23.6 mL of an HCl solution. The molarity of the HCl solution is (show your work): (Points : 5) 
 
 
2.	(TCO 1) How many mL are in 3.5 pints? Show your work. (Points : 5) 
 
3.5 pints is equivalent to 1656.116	 
1 pint = 473.176 ml 
3.5 pints* 473.176mL = 1656.116mL	 
 
			 	 
 	 
 
3.	(TCO 3) What is the name of the following compound: Zn3P2? (Points : 5) 
 
It's Zinc P...
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CHEM 120 Week 8 Final Examination - Practice Questions - Available for Download to Aid in Preparation and Review for the Exam
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CHEM 120 Week 8 Final Exam - Question Only – Download For Revision Page 1 1. Question: (TCO 8) 35.0 mL of 0.25 M NaOH is neutralized by 23.6 mL of an HCl solution. The molarity of the HCl solution is (show your work): 2. Question: (TCO 1) How many mL are in 3.5 pints? Show your work. 3. Question: (TCO 3) What is the name of the following compound: Zn3P2? 4. Question: (TCO 3) What is the name of the following compound: AgNO3? 5. Question: (TCO 6) Calculate the pressure, in atmospheres, of 2.78 ...
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HESI A2 ALL SUBJECTS V1 2020/2021 UPDATE
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HESI A2 ALL SUBJECTS V1 2020/2021 UPDATE 
Vocabulary 
The words that are in caps represent the exact answer choice that I chose. 
1. The lower surface of a structure is referred to as....INFERIOR 
**2. Injurious? TOXIC 
3. Equilibrium? SENSE OF BALANCE 
4. Site? LOCATION 
5. The patient gave his Assent? AGREEMENT 
6.The technician wore gloves as precaution? PREVENTIVE MEASURE 
7. The of his right eye was damage. LENS ( correct word usage)jhghgf 
8. The inebriate man staggered while walking to h...
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