Deltag - Guides d'étude, Notes de cours & Résumés

ACS Physical Chemistry Thermochemistry Study Guide |Question and Answer| 100% Correct What is the third law of thermodynamics? *Ans* The entropy of a perfect crystal is zero. What is the second law of thermodynamics? *Ans* As a whole, the universe always tends towards increasing entropy. What is the relationship between number of microstates and entropy? *Ans* More microstates = higher entropy What is the relationship between temperature and entropy? *Ans* Temperature increases, en...

a-D-glucose + ATP ---> ________ + ________ + H+ correct answer: a-D-glucose-6-phosphate + ADP For the first five steps of glycolysis, the appropriate sequence of enzymes is: a. phosphofructokinase-1 (PFK-1) b. hexokinase/glucokinase c. fructose bisphosphate aldolase d. phosphoglucoisomerase e. triose phosphate isomerase (TPI) correct answer: B, D, A, C, E Hexokinase and glucokinase belong to the kinase subclass of what class of enzymes? correct answer: transferase In the ...

Lattice enthalpy The enthalpy change when one mole of an ionic compound is converted to gaseous ions. Enthalpy of atomisation The enthalpy change when one mole of gaseous atoms is formed from the element in its standard state Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:00 / 0:15 Full screen Brainpower Read More First electron affinity The enthalpy change when one mole of gaseous atoms is converted into gaseous ions with a single negative c...

PHYS 261 Cumulative Lab Exam | Questions with Verified Answers $A$5 means? Fixed cell How to plot cartesian coordinates Scatter chart Solver Minimizes or maximizes a cell by varying other cells To use a macro, you may have to first: Go to view tab and click on the macro button To exit a lab template: Enter name and section number and save file using macro You measure the length of the same side of a block five times and find: b=11.0, 11.1, 11.2, 11.2, and 11.3 mm. What is the best estimate for...

E1: A biochemical reaction, without a catalyst or thermodynamic coupling, takes 50 years to reach a state of equilibrium. Without more information, we cannot make a determination on either the value of Keq constant or the positive or negative value of the deltaG of the reaction. - ANSWER-FALSE E1: Due to its small size, the amino acid glycine can be found in tight turns in a protein structure - ANSWER-TRUE E1: The deltaG of a reaction is defined as the energy required to bring the concentra...

BIOL 3240 Exam 1 | Questions and Answers (Complete Solutions) What are the two major cell types in the brain? Neurons; glial cells What are some ways cell types can be defined? morphology; transcription profile; cell properties, function; context Two characteristics of neurons asymmetrical, excitable There are ____ major types of glial cell five A neuron is a post ____ cell Mitotic Neurons are both _____ and _____ excitable chemically, electrically _________ neurons have only one process that ...

CHEM 116 Exam 3 Practice Test Qs&As 2024 Which of the following combinations cannot produce a buffer solution? - ANS-HNO3 and NaO3 Consider an indicator (kHIn= 6.3 x 10^-6) that ionizes as shown below. Which of the following statements is true? HIn + H20 (yellow) <----> H3O+ +In- (blue) - ANS-In acidic solutions containing the indicator, we would expect predominantly yellow color Which of the following solubility product expressions is correct? - ANS-AuI, ksp= [Au+][I-] In the tit...

T or F: A biochemical reaction, without a catalyst or thermodynamic coupling, takes 50 years to reach a state of equilibrium. W/o more information, we cannot make a determination on either the value of the Keq constant or the positive or negative value of the DeltaG of the reaction - ANSWER-False T or F: Due to its small size, the amino acid glycine can be found in tight turns in a protein structure - ANSWER-True T or F: The Delta G of a reaction is defined as the energy required to bring t...

The highest point in a reaction coordinate diagram represents _____. - ANSWER-the transition state Of the following ions, which would be most likely to participate in metal ion catalysis? - ANSWER-Zn2+ An organic molecule that is tightly bound to an enzyme and participates in an enzyme catalyzed reaction is specifically referred to as a _____. - ANSWER-prosthetic group Which of the following amino acids would be most likely found in the active site of an enzyme that uses acid-base catalysis...

BCH403 Final Exam Questions And Answers E1: A biochemical reaction, without a catalyst or thermodynamic coupling, takes 50 years to reach a state of equilibrium. Without more information, we cannot make a determination on either the value of Keq constant or the positive or negative value of the deltaG of the reaction. - Answer-FALSE /.E1: A chromatography column was used to try to purify a protein that is 10 kilodaltons in size. Some of the illusion fractions were run on SDS page and are...