Molecular formula Study guides, Class notes & Summaries

Straighterline Chemistry Final Exam Questions with Complete Solutions Latest The 80Br- ion has Select one: a. 45 protons, 35 neutrons, 45 electrons. b. 35 protons, 45 neutrons, 34 electrons. c. 35 protons, 45 neutrons, 36 electrons. d. 45 protons, 35 neutrons, 46 electrons. e. 35 protons, 45 neutrons, 46 electrons. - Answer-e. 35 protons, 45 neutrons, 46 electrons. The formula for sodium sulfide is Select one: a. NaS b. K2S c. NaS2 d. Na2S e. SeS - Answer-d. Na2S Which...

Chem 219 Unit 5 Exam with Correct Solutions Generic formula for alcohols - Answer -R-OH phenol - Answer -hydroxy-substituted aromatic molecules (any compound with an -OH attached to a benzene ring) IUPAC system rules for naming organic alcohols - Answer -- organic alcohols are named by replacing the suffix of the parent chain of the molecule with the suffix -ol - The parent chain is numbered so as to give the hydroxyl group the lowest possible number. (examples: 1-propanol, and cyclohexan...

m   1. Which of the following is the mRNA start codon in most cases? A. UAA B. AGU C. AUG D. UGA 2. Which of the types of RNA is the smallest? A. mRNA B. tRNA C. rRNA D. 3. Which of the following is not considered a pyrimidine? A. C B. T C. U D. G 4. Which of the following is paired correctly? A. A-G B. C-G C. A-U D. G-T 5. Which of the following characterizes a Western blot? A. Antibody/protein hybridization B. DNA/RNA combination C. RNA ...

What is a hydrocarbon? correct answers A compound containing hydrogen and carbon ONLY. What is meant by saturated? correct answers Single bonds only between carbon atoms What is a homologous series? correct answers Series of organic compounds with the same functional groups. With each successive iteration differing by CH2 What is a functional group? correct answers Part of a molecule responsible for the characteristic reactions of a compound What is an alkyl group? correct answers A...

Biochemistry Final Exam - Portage Learning questions and answers graded+. True or False: According to the Module, a compound with a molecular mass of 1,000 g/mol is considered a macromolecule. - correct answers.False True or False: Biomolecules can have two or more different functional groups. - correct answers.True True or False: The following functional group is an amine. C2H5NH2 - correct answers.True True or False: In a eukaryotic cell, the organelles called per...

Chapter 1 Carbon and Its Compounds CHECKPOINT PROBLEMS Practice Problem 1.1 a) S — 1s2 2s2 2p6 3s2 3p4 b) Cl — 1s2 2s2 2p6 3s2 3p5 c) Na+ — 1s2 2s2 2p6 1-2 Copyright © 2018 Nelson Education Limited Practice Problem 1.2 a) Count valence electrons. Build a basic bonding framework and account for electrons used. Add remaining electrons and check for formal charges. The molecule has a lone pair on the nitrogen. All other electrons are bonding electrons. b) Count valence electrons. Build a bas...

Straighterline – A &P 1 Midterm Exam Questions and Answers Proximal means - Answer-closer than another structure to the point of attachment to the trunk An increase in the number of cells is - Answer-growth Platelets adhere to a damaged blood vessel → Platelets secrete various substances → Platelets adhere to a damaged blood vessel This is an example of _____ feedback. - Answer-positive In an oxidation-reduction reaction, ______ are transferred between molecules - Answer-elect...

this cover unit 19B part 3 . it up to distinction level Section 3: Determine empirical and molecular formulae from percentage elemental composition data and mass spectra.

The empirical formula is the simplest whole number ratio of atoms representing a chemical formula of a molecule. Select one: True False True Many compounds can be represented with the same empirical formula. Select one: True False False The molecular formula is a whole number multiple of the empirical formula. Select one:

Portage Learning CHEM 210 exams 1-8 and final exam Question 1 3 / 3 pts True or False: According to the Module, a compound with a molecular mass of 1,000 g/mol is considered a macromolecule. True Correct! False Question 2 3 / 3 pts True or False: Biomolecules can have only two functional groups. True Correct! False Question 3 3 / 3 pts True or False: The following functional group is an alcohol. True Correct! False Question 4 3 / 3 pts True or False: In ...