Chem 120 final 2024 - Study guides, Class notes & Summaries

Chem 120 Final Exam | Questions and Correct Answers | Latest Update 2024/2025 | 100% Pass molecular mass (molecular weight) - Answer -the sum of the atomic masses, in atomic mass units, of all the atoms in the formula of a compound empirical formula - Answer -a chemical formula showing the ratio of elements in a compound rather than the total number of atoms Avogadro's number (Mole) - Answer -6.02 x 10^23 proton - Answer -A subatomic particle that has a positive charge and that is ...

Chem 120 Final | Questions and Correct Answers | Latest Update 2024/2025 | 100% Pass Levelling Effect - Answer -the inability of a solvent to differentiate amongst the relative strength of all acids OH- - Answer -the strongest base possible H3O+ - Answer -the strongest acid possible Differentiating effect - Answer -the ability of a solvent to differentiate among the relative strengths of all acids Common Ion Effect - Answer -the shift in equilibrium caused by the addition of a compound...

Chem 120 final exam questions and answers 2024

Chem 120 final exam questions and answers 2024

Chem 120 final exam questions and answers 2024.

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 ...

CHEM120 WEEK 8 FINAL EXAM/ CHEM 120 FINAL EXAM LATEST ACTUAL EXAM 2024/ QUESTIONS AND CORRECT DETAILED ANSWERS|A+GRADE

CHEM 120 FINAL EXAM | Questions and Correct Answers | Latest Update 2024/2025 | Graded A+ ionic compounds - Answer --deals with charged particles -oppositely charged particles are attracted to each other -look for presence of metals and polyatomic ions molecular compounds - Answer --share electrons -nonmetals -no polyatomic ions unless its an acid Type I metals - Answer --ionic compounds -group 1A,2A,3A -one type of charge state -Name of metal +ion -if metal+nonmetal: name of meta...

Chem 120 Final | Questions and Correct Answers | Latest Update 2024/2025 | 100% Pass Significant Figure - Answer -a digit that is either reliably known or closely estimated conversion factors - Answer -relationship between two quantities expressed as a fraction (1 inch/2.45cm) element - Answer -the most basic form of matter that exists under ordinary condidtions compound - Answer -a unique, pure substance that is composed of two or more elements which are chemically combined atom - A...

CHEM 120 Final Exam | Questions and Correct Answers | Latest Update 2024/2025 | 100% Pass B - Answer -How many bonds can nitrogen have? Which rule or principle should be used? A) Five bonds; octet rule. B) Three bonds; octet rule. C) Three bonds; the Hund's rule. D) Five bonds; the Aufbau Principle. C - Answer -When two hydrogen atoms meet, they will attract to each other and form a bond (and a H2 molecule). Why? A) Because electrons like to stay together. B) Because electrons li...