Chem 120 final exam 3 - Study guides, Class notes & Summaries

CHEM120 Final Exam (Version-3, Updated-2023-2024)/ CHEM 120 Final Exam / CHEM120 Week 8 Final Exam / CHEM 120 Week 8 Final Exam: Chamberlain College of Nursing CHEM120 Week 8 Final Exam (Version-3, Updated-2023-2024)/ CHEM 120 Week 8 Final Exam / CHEM120 Final Exam / CHEM 120 Final Exam: Chamberlain College of Nursing

CHEM 120 Final Exam 5 GRADED A+ (ACTUAL EXAM ) Questions and Answers (Solved) 1. How many bonds can nitrogen have? Which rule or principle should beused? A) Five bonds; octet rule. B) Three bonds; octet rule. C) Three bonds; the Hund's rule. D) Five bonds; the Aufbau Principle. Answer: B 2. When two hydrogen atoms meet, they will attract to each other and form abond (and a H2 molecule).Why? A) Because electrons like to stay together. B) Because electrons like to be paired up. C) Bec...

CHEM 120 Final Exam 1 GRADED A+ (ACTUAL EXAM ) Questions and Answers (Solved) 1. define matter Answer: anything that has mass and takes up space 2. what is not considered matter? Answer: light, heat, electricity 3. definite shape, definite volume Answer: solid 4. indefinite shape, definite volume Answer: liquid 5. indefinite shape, indefinite volume Answer: gas 6. pure substance Answer: one substance; definite and constant composition; can't beseparated into 2 kinds of matter by p...

CHEM 120 WEEK 8 Final Exam 2023 with correct answers Already graded A+ molarity = moles solute / liters solution 0.25 M = moles NaOH / 0.035 L moles NaOH = 0.00875 moles NaOH 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. (TC...

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 ...

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 ...

Portage Learning Chem 210 Biochem Final Exam 2023/2024 SOLVED What are the three things biochemists study? - 1. the relationship between structure and function of a biomolecule 2. chemical reactions of organisms (metabolism) 3. communication with and among organisms (chemical messengers) Which protein is found in lightening bugs to produce light? - luciferin How many elements are found in living organisms? - 30 or less What type of elements do you find in living organisms? - smaller, non...

CHEM 120 Final Exam-Q & A (Version 3), Best document for preparation, Verified And Correct Answers Course Number: CHEM120 Course Title: Introduction to General, Organic & Biological Chemistry with Lab Chamberlain College of Nursing

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...