Chem 230 Study guides, Class notes & Summaries
Looking for the best study guides, study notes and summaries about Chem 230? On this page you'll find 73 study documents about Chem 230.
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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, RNA transcription, and membrane transport 
 
Plasma Membrane correct answer: Cellular boundary 
 
Cytoplasm correct answer: Water-based material of a eukaryotic cell 
 
Mitochondrion correct answe...
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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) form a/an correct answer: octet 
 
What type of bond exists when valence electrons are shared between two atoms? correct answer: covalent bond 
 
What type of electron pair is indicated by the arrow ...
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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 can also be replaced with an α 
 
What is the symbol for a gamma particle? 
 
What is the charge on an alpha ray? 
2+ 
What is the charge on a beta ray? 
1- 
What is the charge on a gamma ray? 
0 
W...
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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 molecular weight (mass) of the compound. 
 
Alkyne Reactions correct answer: *1* Alkyne + H2/Pd &C = Alkene 
*2* Alkyne + H2/Lindlav Cat.= Cis Alkene 
*3* Alkyne + Li or Na/Liquid NH3= Trans Alkene ...
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CHEM 230 TESTS COMPILATION BUNDLE
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CHEM 230 TESTS COMPILATION BUNDLE
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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? correct answer: More microstates = higher entropy 
 
What is the relationship between temperature and entropy? correct answer: Temperature increases, entropy increases (direct) 
 
What is the relatio...
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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, or concentration 
 
What do enzyme co factors do? correct answer: Provide additional chemically reactive functional groups 
 
What are the categories of co factor enzymes correct answer: Simple meta...
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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 increases, all the way to pKa + 4 the [A-]/[HA] is 10000:1 
 
*The predominant form of benzoic acid at pH 8 is the benzoate anion 
 
For a monoprotic system, the species ___ is the predominant form when ...
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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 between EN < 0.5 correct answer: Nonpolar covalent; two nonmetals or a nonmetal and a metalloid 
 
0.5<Difference between EN>1.9 correct answer: Polar covalent; two nonmetals or a nonmetal a...
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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 correct answer: 8 sigma 
2 pi 
 
Which acid forms a weaker conjugate base? 
A. H3COOH 
B. H3CNH3 correct answer: A. H3COOH 
 
Which molecule listed below is a polar molecule? 
A. NH3 
B. H2O 
C. HC...