Chem 120 final exam 1 - Study guides, Class notes & Summaries

Chem 120 final exam 114 questions with 100% correct answers Latest Updated Chem 120 final exam 114 questions with 100% correct answers Latest Updated Chem 120 final exam 114 questions with 100% correct answers Latest Updated

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 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...

CHEM120 Final Exam (Version-1, Updated-)/ CHEM 120 Final Exam / CHEM120 Week 8 Final Exam / CHEM 120 Week 8 Final Exam: Chamberlain College of Nursing

What is the correct order of melting points for the following alkanes, from highest to lowest temperature? heptane > hexane > ethane > methane 2. Given an alkane that contains 25 carbon atoms. How many hydrogen atoms are present in its structure? a) ) 52 3. Which of the following properly describes constitutional (structural) isomers? compounds with the same molecular formula, but a different order of attachment of atoms 4. How many secondary and tertiary carbons, respectively,...

JMU Chem 120 Final Exam Questions with Solutions

CHEM120 Final Exam (Version-2, 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-2, Updated-2023-2024)/ CHEM 120 Week 8 Final Exam / CHEM120 Final Exam / CHEM 120 Final Exam: Chamberlain College of Nursing

What is the correct order of melting points for the following alkanes, from highest to lowest temperature? - correct answer heptane > hexane > ethane > methane 2. Given an alkane that contains 25 carbon atoms. How many hydrogen atoms are present in its structure? a) - correct answer ) 52 3. Which of the following properly describes constitutional (structural) isomers? - correct answer ...

chemistry correct answer: the science that tries to understand how matter behaves by studying how atoms and molecules behave scientific method correct answer: ways of learning that emphasizes observation and experimentation (self correcting) observation correct answer: we go out in nature and ask questions we measure or observe some aspect of nature hypothesis correct answer: tentative interpretation of an observation law correct answer: summarizes a large number of observations...

What is the correct order of melting points for the following alkanes, from highest to lowest temperature? - heptane > hexane > ethane > methane 2. Given an alkane that contains 25 carbon atoms. How many hydrogen atoms are present in its structure? a) - ) 52 3. Which of the following properly describes constitutional (structural) isomers? - compounds with the same molecular formula, but a different order of attachment of atoms 4. How many secondary and tertiary carbons, respective...