Limiting reactants Study guides, Class notes & Summaries
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Enzymology kinetics Questions & answers
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Enzyme Kinetics and Km - correct answer-The reaction catalysed by an enzyme uses 
exactly the same reactants and produces exactly the same products as the uncatalysed 
reaction. Like other catalysts, enzymes do not alter the position of equilibrium between 
substrates and products. 
Enzyme-catalysed reactions display saturation kinetics: 
For a given enzyme concentration and for relatively low substrate concentrations, the 
reaction rate increases linearly with substrate concentration; the enzym...
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Test Bank For Chemical Principles 8th Edition Zumdahl
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Chapter 03 - Stoichiometry 
1. Bromine exists naturally as a mixture of bromine-79 and bromine-81 isotopes. An atom of bromine-79 contains 
a. 79 protons, 79 electrons, and 35 neutrons. b. 35 protons, 44 neutrons, and 35 electrons. c. 44 protons, 44 electrons, and 35 neutrons. d. 34 protons and 35 electrons only. 
e. 35 protons, 79 neutrons, and 35 electrons. 
ANSWER: POINTS: DIFFICULTY: TOPICS: KEYWORDS: 
b 
1 
easy 
3.1 
atomic theory of matter | early atomic theory | general chemistry | isoto...
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AP Chem Final Exam Review 100% Correct!
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Density - ANSWERmass/volume 
 
Law of Conservation of Mass - ANSWERmass reactants= mass products 
 
Law of Multiple Proportions - ANSWERatoms combine in fixed whole # ratios 
 
Alkali metals - ANSWERGroup 1 metals 
 
Alkaline earth metals - ANSWERGroup 2 metals 
 
Transition metals - ANSWERelements in groups 3-12 
 
mol - ANSWER6.022x10^23 
 
Limiting reactant - ANSWERreactant that's completely used up in a chemical reaction 
 
excess reactant - ANSWERreactant which doesn't get used up complet...
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Test Bank for Chemical Principles 8th Edition by Steven S. Zumdahl
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Chapter 03 - Stoichiometry 
1. Bromine exists naturally as a mixture of bromine-79 and bromine-81 isotopes. An atom of bromine-79 contains 
a. 79 protons, 79 electrons, and 35 neutrons. 
b. 35 protons, 44 neutrons, and 35 electrons. 
c. 44 protons, 44 electrons, and 35 neutrons. 
d. 34 protons and 35 electrons only. 
e. 35 protons, 79 neutrons, and 35 electrons. 
ANSWER: POINTS: DIFFICULTY: TOPICS: KEYWORDS: 
b 
1 
easy 
3.1 
atomic theory of matter | early atomic theory | general chemistry | is...
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CHE 233 Final UKY Questions With Complete Solutions
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Unsaturated fatty acids - have one or more C=C bonds 
 
Saturated fatty acids - Have no C=C bonds 
 
What are the ways that biodiesel is produced commercially? Which method is the predominant method? - 1) Base-catalyzed transesterification of the oil with methanol and one used in lab. 
2)Acid-catalyzed esterification of the oil with methanol 3) Saponification of the oil to yield free fatty acids, followed by acid catalyzed esterification. 
 
Match the products and catalyst for the following tran...
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ACS Chemistry Final general Chem 1 Review 63 Questions with Verified Answers,100% CORRECT
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ACS Chemistry Final general Chem 1 Review 63 Questions with Verified Answers 
 
Density - CORRECT ANSWER mass / volume 
 
Conversion from celsius to kelvin - CORRECT ANSWER K = DegC + 273.15 
 
Conversion from DegF to DegC - CORRECT ANSWER DegC = (5/9) (DegF - 32) 
 
Conversion from DegC to DegF - CORRECT ANSWER DegF = (9/5)(DegC) + 32 
 
Intensive properties - CORRECT ANSWER Independent of amount of matter examined 
 
Extensive propertires - CORRECT ANSWER Dependent of amount of matter examined...
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Biology 3221A Biochemistry Final Exam Q&A- Rush University
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Biology 3221A Biochemistry Final Exam Q&A- Rush University 
Which of the following single-base DNA gene coding changes is least 
likely to significantly affect the function of resulting protein? (Harper pages 
361-363) 
A. Missence mutation resulting to histidine-to-glutamic acid change 
B. Silent mutations in the third codon base 
C. Frameshift mutation 
D. Nonsense mutation 
2. Which of the following is a property of enhancer elements? (Harper pages 
384-385) 
A. They do not work located downs...
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Chem 103 Exam 2 2023 with 100% correct answers
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stoichiometric ratio correct answersthe ratio of the number of moles of one reactant or product to another reactant or product or product 
 
limiting reactants correct answersone or more reactants are completely consumed in the chemical reaction 
 
theoretical yield correct answersthe amount of product predicted from stoichiometry taking into account limiting reagents 
 
percent yield correct answers-relates the actual yield to the theoretical yield 
- (actual yield / theoretical) x 100 
 
conc...
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Test Bank For Chemistry The Molecular Science 5th Edition by John W. Moore
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Chapter 3: Chemical Reactions 
1. Which of the following cannot be determined from a balanced chemical equation? 
a. b. c. d. e. 
ANSWER: POINTS: TOPICS: OTHER: 
The number of molecules of reactants and products. The number of atoms of each element reacting. 
The number of moles of reactants and products. The relative mass of each reactant and product. Whether the reaction will proceed as written. 
e 
1 
3.1 Chemical Equations Comprehension 
2. In the reaction given below, if 12 moles of aluminu...
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MCAT AAMC FL 1EXAM QUESTIONS AND ANSWERS
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MCAT AAMC FL 1EXAM QUESTIONS AND ANSWERS 
What was the principal factor determining the migration of individual components in a sample 
when performing chromatography? -Answer-the relative amount of hydrogen bonding to the 
stationary phase 
Rf value -Answer-Distance travelled by substance / distance travelled by solvent 
stereospecific reaction -Answer-a special type of stereoselective reaction in which the 
stereochemistry of the product is dependent on the stereochemistry of the starting mate...
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