Chem 120 final exam 5 - Study guides, Class notes & Summaries

CHEM 120 FINAL EXAM 5 ( UPDATED 2025 ) | QUESTIONS WITH 100% VERIFIED ANSWERS AND COMPREHENSIVE RATIONALES | GRADED A+

CHEM 120 Final Exam 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. (TCO 3) What is the name of the following compound: Zn3P2? (Points : 5)

Chem 120 Final Exam 3 GRADED A+ (ACTUAL EXAM ) Questions and Answers (Solved) 1. The most common base in the world is also known as lye, its chemicalformula is: Answer: NaOH 2. A Bronsted-Lowery acid: accepts or donates a proton? Answer: Donates 3. In the following reaction the conjugate acid is Answer:H3PO4+H2O = H2PO4+H3O: H3O 4. Determine the physical state of the following at room temperature: CH3CH2CH2CH2CHCH2CH2CHCH3 | | CH2 CH3 | CH3 Answer: Liquid 5. The following hydrocarb...

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 104 Final Exam; Questions and Answers 100% Solved what is the hybridization of 2 things, 3 things, 4things, 5 things, Correct answer-sp, sp2, sp3, dsp3, d2sp3 double bond counts as one thing around the atom sp geometry is sp2 geo is sp3 geo Correct answer-trigonal planar 120 tetrahederal 109.4

Chem 120 final exam | Questions and Correct Answers | Latest Update 2024/2025 | 100% Pass What is the correct order of melting points for the following alkanes, from highest to lowest temperature? - Answer -heptane > hexane > ethane > methane 2. Given an alkane that contains 25 carbon atoms. How many hydrogen atoms are present in its structure? a) - Answer -) 52 3. Which of the following properly describes constitutional (structural) isomers? - Answer -compounds with the same ...

Chem 120 final Exam | Latest Questions and Correct Answers | Latest Update 2025 | 100% Pass 1. Polyatomic ions - ions that are made of more than one atom 2. Nitrate NO3- 3. Nitrite NO2- 4. bicarbonate (hydrogen carbonate) HCO3- 5. Sulfate SO4 2- 6. Sulfite SO3 2- 7. Carbonate CO3 2- 8. cyanide CN- 9. Hydroxide OH- 10. Phosphate PO4 3- 11. Ammonium NH4+ 12. Ionic compounds - crystalline solid - hard, brittle solid - very hig...

Chem 120 final exam | Questions and Correct Answers | Latest Update 2024/2025 | 100% Pass What is the correct order of melting points for the following alkanes, from highest to lowest temperature? - Answer -heptane > hexane > ethane > methane 2. Given an alkane that contains 25 carbon atoms. How many hydrogen atoms are present in its structure? a) - Answer -) 52 3. Which of the following properly describes constitutional (structural) isomers? - Answer -compounds with the same ...

Gen Chem 1 Final Exam Review with Complete Solution – Saylor Academy Questions with 100% Verified Answers Gen Chem 1 Final Exam Review with Complete Solution – Saylor Academy Questions with 100% Verified Answers 11.4 g of Na2SO4 dissolved in 400 mL of solution. What is the molarity of the solution? A) 0.2 M B) 0.5 M C) 0.4 M D) 0.1 M E) 0.3 M - Answer 0.2 M A 3.214g sample of magnesium reacts with 8.416g of bromine. The only product is magnesium bromide....