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CHEM 230 TESTS COMPILATION BUNDLE

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CHEM 230 EXAM 1 QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS.

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Electronegativity A measure of the force of an atom's attraction for the electrons it shares in a chemical bond with another atom -increases from left to right -increases from bottom to top Covalent bond Forms when electron pairs are shared between two atoms whose difference in electronegativi...

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CHEM 230 Exam 2 Questions With Complete Solutions

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What is the principal form of benzoic acid at pH 8.2 if the pKa value is 4.2 correct answer: So, at pH 4.20, there is a 1:1 mixture of benzoic acid (HA) and benzoate ion (A-). At pH = pKa + 1 (= 5.20), the quotient [A-]/[HA] is 10:1. At pKa + 2 (= 6.20), the quotient [A-]/[HA] is 100:1. As pH inc...

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Chemistry 230 Exam 4| 55 Questions | With Complete Solutions

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What is named first the cation or anion? correct answer: Cation How many Ligands are in [Cr(NH3)6](NO3)3 correct answer: 6 How many Ligands are in K[Au(OH)4] correct answer: 4 Oxidation number of the metal in K[Au(OH)4]? correct answer: +3 explanation: hydroxide has a charge of -1, sinc...

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Chem 230 Exam 3 Questions And Answers With Complete Solutions.

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Gases are more soluble in _______ water. correct answer: cold Is the gas to aqueous reaction endo or exothermic? correct answer: Exothermic What is lattice enthalpy? Its sign of dH? correct answer: The enthalpy change associated with going from solid to gas. It is always endothermic (+dH) ...

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Chem 230 Exam 4 Questions With Complete Solutions

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What is the symbol for a proton? P can also be replaced with an H What is the symbol for a neutron? What is the symbol for an electron? e can also be replaced with a β What is the symbol for a positron? e can also be replaced with a β What is the symbol for an α particle? He c...

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CHEM 230 Functional Groups Questions With Complete Solutions

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Alkane RCH3 Alkene (internal) Alkene (terminal) Nitrile RC≡N Ether R-O-R Epoxide Thiol RCH2-SH Sulfide R-S-R Disulfide R-S-S-R Sulfonium salt Quaternary ammonium salt Aniline Phenol Carboxylic acid Acyl chloride Acid anhydride Ester Thioester...

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Organic Chemistry 230 Final Exam| 50 Questions| With Complete Solutions

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Which of the following covalent single bonds is the most polar? A. C-H B. C-O C. C-C D. C-N correct answer: B: C-O Which of the following formulas would correspond to a cyclic alkane? A. C5H12 B. C6H14 C. C7H14 D. C8H18 correct answer: C: C7H14 The compound CH3(CH2)4CH3is called: A. hexane...

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Qualitative Analysis Chem 230 Exam 2 KSU Questions With Complete Solutions

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The solution is clear and colorless correct answer: Fe 3+, Cr 3+, and Ni 2+ is absent Step B. The solution was made basic and barium hydroxide was added. A white precipitate formed. correct answer: SO4 2- is present Step C. Silver nitrate was added the precipitate dissolves. correct answer: ...

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Chemistry 230 lab exam 2 questions with complete solutions.

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Anion 1st step separating SO4(^2-) from Cl- and NO3- correct answer: *add ammonia and Ba(OH)2 *foms a white precipitate Ba(^2+) + SO4(^2-)-->BaSO4 (s) Anion 2nd step confirming SO4(^2-) correct answer: *make solution acidic with HNO3 *precipitate stays to confirm SO4(^2-) BaSO4 (s) + ...

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Chem 230 Lab Exam 1| 72 Questions| With Complete Solutions

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What is the purpose of Lab 1: Kinetics correct answer: To examine the four factors that influence the reaction rate of a chemical reaction What conditions influence the rate of reaction of a chemical process? correct answer: 1. Concentration of reactants 2. Temperature 3. Presence of a cataly...

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KSU CHEM 230 Lab Exam 1 Questions With Complete Solutions

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What four factors affect reaction rates? correct answer: -concentration of reactants -Temperature -Catalysts - Physical state of reactants relationship between reaction rate and activation energy correct answer: The higher the activation energy, the slower the reaction rate Effect of c...

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Chem 230 Exam 4 GVSU| 220 Questions | With Complete Solutions

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Metabolism correct answer: Sum total of all chemical reactions in a living organism Metabolism is a source of ________ for the functioning of the human body correct answer: energy Metabolism needed for many of the cellular processes such as correct answer: protein synthesis, DNA replication...

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GVSU CHEM 230 (Organic and Biochemistry) Questions With Complete Solutions

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NH2 functional group correct answer: amino RNH2 correct answer: primary amine R2NH correct answer: secondary amine R3N correct answer: tertiary amine bronsted-lowry acid correct answer: proton donor bronsted-lowry base correct answer: proton accepter lewis base correct answer...

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Chem 230 Final Review | 88 Questions | With Complete Solutions

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True or False: The addition of water to an alkene is called a hydration reaction. correct answer: True True or False: The double bonds in naturally occurring fatty acids are typically cis correct answer: True What is the IUPAC name for the following compound? correct answer: 4,4-dimethyl-1-...

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Chem 230 Smith Final Exam KSU Questions With Complete Solutions

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hydrocarbon correct answer: compound containing only hydrogen and carbon saturated hydrocarbons correct answer: contain only single bonds between the carbons unsaturated hydrobarbons correct answer: contain double or triple bonds between the carbons aromatic hydrocarbons correct answer: ...

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CHEM 230 LAB EXAM 2 QUESTIONS WITH COMPLETE SOLUTIONS

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A) Initial starting solution with brownish yellow correct answer: Fe^3+ A) Initial starting solution with greyish blue correct answer: Cr^3+ A) Initial starting solution with pale green correct answer: Ni^2+ B) So4^2- correct answer: confirmed when precipitate is formed and doesn't dis...

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CHEM 230 Final Exam Questions With Complete Solution

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IR Spectra correct answer: -Absorption of radiation causes vibrational excitation of functional groups *making it easy to ID functional groups* *0-5000cm-1* H NMR Spectra correct answer: *0-12ppm* C NMR Spectra correct answer: *0-200ppm* Mass Spec correct answer: -Used to measure the...

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Chem 230 final (past questions) with complete solutions

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ionic, dipole-dipole,london correct answer: the order of bonds strongest to weakest two substituents are on the same side of the double bond correct answer: which statement best describes cis stereochemistry in an alkene? on opposite sides of the double bond correct answer: substituents on ...

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CHEM 230 Final| 339 Questions| With Complete Solutions

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Enzymes correct answer: Proteins that act as catalyst for biochemical reactions Are enzymes consumed in a reaction? correct answer: Not consumed during the reaction Majority of enzymes are correct answer: Globular proteins Enzyme activity is affected by correct answer: pH, Temperature, ...

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CHE 230 EXAM 3 Questions With Complete Solutions

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Is SN2 concerted or stepwise correct answer: Concerted Is SN1 concerted or stepwise correct answer: Stepwise When is there a change in configuration in an SN2 correct answer: When alpha position is a chiral center What type of substrate reacts most quickly for SN2 correct answer: Primar...

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CHE 230 Exam 1| 110 Questions | With Complete Solutions

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Friederich Wohler correct answer: Father of organic chemistry Determined that biological molecules can be synthesized in lab Carbon correct answer: Very stable Wants 4 bonds Can bond with many things Organic Compounds correct answer: Contain carbon Atoms bound by covalent bonds Essenti...

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CHE 230 Exam 3 Dr. Owen UKY Questions With Complete Solutions

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What is an electrophile? correct answer: compound or ion that are poor in electron density- LOVES AVAILABLE ELECTRONS Same as Lewis Acid What is a nucleophile? correct answer: is an ion or a compound that is capable of donating a pair of electrons-- THEY WOULD LOVE TO ATTACK A NUCLEUS T...

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CHE 230 Final Questions With Complete Solutions.

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strong base, weak nucleophile correct answer: NaH strong base, weak nucleophile correct answer: DBN strong base, weak nucleophile correct answer: DBU strong base, strong nucleophile correct answer: HO- strong base, strong nucleophile correct answer: MeO- strong base, strong nucle...

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CHEM 230 EXAM 1| 72 QUESTIONS | WITH COMPLETE SOLUTIONS

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Organic Chemistry correct answer: the study of the compounds of carbon Electronegativity correct answer: A measure of the force of an atom's attraction for the electrons it shares in a chemical bond with another atom -increases from left to right -increases from bottom to top Difference b...

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CHEM 230 FINAL EXAM QUESTIONS WITH COMPLETE SOLUTIONS

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Which family of organic molecules is a hydro carbon correct answer: aromatic Which two functional groups does NOT contain oxygen? correct answer: amine Which factor is most important in determining the chemistry of an organic molecule? correct answer: the functional groups Two or more co...

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Chem 230 Final Exam| 187 Questions| With Complete Solutions

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Many of the properties of water can be accounted for by the fact that correct answer: it is polar Compounds exist as a result of correct answer: chemical reaction In general, chemical bonding brings together elements in the correct ratios so that all of the atoms involved (except H and He) f...

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Chem 230 EXAM 2 Questions And Answers With Complete Solutions

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Which of the following categories of compounds can act as a hydrogen bond donor? correct answer: Alcohols Which of the following categories of compounds can act as a hydrogen bond acceptor? correct answer: Alcohols, Aldehydes, Ketones. Which of the following categories of compounds can hydro...

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Chem 230 Exam 2| 317 Questions| With Complete Solutions

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What is the third law of thermodynamics? correct answer: The entropy of a perfect crystal is zero. What is the second law of thermodynamics? correct answer: As a whole, the universe always tends towards increasing entropy. What is the relationship between number of microstates and entropy? c...

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Chem 230 (KSU) Exam 1 Questions And Answers With Complete Solutions

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True of False: Upon standing, the solute and solvent will NOT separate by gravity correct answer: True True of False: The solvent will always be liquid correct answer: False Definition of Molarity correct answer: moles of solute/volume of solution The name given for a solution that conta...

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Chem 230 (Altamirano) Final exam Questions With Complete Solutions

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Give the ground state electron configuration for I correct answer: [Kr]5s^2, 4d^10, 5p^5 Which of the following is a strong acid? A. CH3NH2 B. CH3O- C. H2N- D. CH3OH E. CH3NH3+ correct answer: E. CH3NH3+ A molecule of acetonitrile CH3Ch2Ch contains ____ sigma bonds and ____ pi bonds co...

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Chem 230 exam 1 questions and answers with complet
Chem 230 exam 2 questions with complete solutions
Chemistry 230 exam 4 55 questions with complete
Chem 230 exam 3 questions and answers with complet
Chem 230 exam 4 questions with complete solutions
Chem 230 functional groups questions with complete
Organic chemistry 230 final exam 50 questions wi
Qualitative analysis chem 230 exam 2 ksu questions
Chemistry 230 lab exam 2 questions with complete s
Chem 230 lab exam 1 72 questions with complete s
Ksu chem 230 lab exam 1 questions with complete so
Chem 230 exam 4 gvsu 220 questions with complet
Gvsu chem 230 organic and biochemistry questions
Chem 230 final review 88 questions with comple
Chem 230 smith final exam ksu questions with compl
Chem 230 lab exam 2 questions with complete soluti
Chem 230 final exam questions with complete soluti
Chem 230 final past questions with complete solu
Chem 230 final 339 questions with complete solut
Che 230 exam 3 questions with complete solutions
Che 230 exam 1 110 questions with complete solu
Che 230 exam 3 dr owen uky questions with complet
Che 230 final questions with complete solutions
Chem 230 exam 1 72 questions with complete solu
Chem 230 final exam questions with complete soluti
Chem 230 final exam 187 questions with complete
Chem 230 exam 2 questions and answers with complet
Chem 230 exam 2 317 questions with complete solu
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Chem 230 altamirano final exam questions with co

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