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Thermochemistry Solutions Library

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22 solutions

Thermochemistry

Q. Most cells cannot harness heat to perform work becausea. heat does not involve a transfer of energy b. cells do not have much thermal energy; they ...

Solved • May 20, 2020

Thermochemistry

Q. The ΔGº values for the two reaction shows below are given:Oxaloacetate + actyl CoA + H2O → citrate + CoASH (ΔGº=-32.2 kJ/mol; enzyme: citrate synth...

Solved • Aug 13, 2018

Thermochemistry

Q. A. What is the ΔGº' for the reaction below, given that the ΔGº' for ATP hydrolysis to ADP is -30.5 kJ/mol and the ΔGº' for the hydrolysis of 1,3-bi...

Solved • Aug 10, 2018

Thermochemistry

Q. The graph below shows energy changes in a specific chemical reaction. Which terms best describe the reaction?A. Endergonic and nonspontaneousB. End...

Solved • Aug 6, 2018

Thermochemistry

Q. Study the figure shown below. What does letter A depict?A. substrate concentrationB. energy of the productsC. energy of activationD. energy of the ...

Solved • Aug 3, 2018

Thermochemistry

Q. In the pathway below, B → C is coupled with ADP → ATP. Categorize the reactions as endergonic or exergonic.A. B → C is endergonic and ADP → ATP is ...

Solved • Aug 3, 2018

Thermochemistry

Q. Match the following equations 1-4 with the energy diagram that best describes the free-energy transitions along the reaction pathway by filling in ...

Solved • Jul 17, 2018

Thermochemistry

Q. Exergonic reactions do not require activation energy to get started since they release energy. a. Trueb. False

Solved • Aug 2, 2017

Thermochemistry

Q. The first and second laws of thermodynamics apply to nonliving systems like gasoline engines but do not apply to reactions in living cells. a. True...

Solved • Aug 2, 2017

Thermochemistry

Q. Movement of molecules down a concentration gradient is an example of:a. Potential energyb. Oxidationc. Reductiond. Active transporte. Kinetic energy

Solved • Aug 2, 2017

Thermochemistry

Q. Plants require light to perform photosynthesis in which glucose is formed from carbon dioxide and water. This is a _____ reaction.  a. Exergonic ...

Solved • Aug 2, 2017

Thermochemistry

Q. The wood in a match is made up of cellulose, which is a polymer of glucose molecules. When you light the match, heat and light are given off, indic...

Solved • Aug 2, 2017

Thermochemistry

Q. An endergonic reaction is a reaction that: a. Requires an input of energyb. That typically builds complex molecules from smaller moleculesc. Releas...

Solved • Aug 2, 2017

Thermochemistry

Q. Entropy is: a. Orderb. Complexityc. Disorderd. Both order and disorder are correcte. Both complexity and disorder are correct

Solved • Aug 2, 2017

Thermochemistry

Q. Which statement is not part of the first law of thermodynamics?  a. The amount of energy in the universe is constant b. Energy cannot be created ...

Solved • Aug 2, 2017

Thermochemistry

Q. An example (examples) of potential energy is (are): a. Chemical bonds and concentration gradientsb. Light and chemical bondsc. Concentration gradie...

Solved • Aug 2, 2017

Thermochemistry

Q. The reaction A+B→E requires +8.2 kcal of energy. Which of the following could be coupled to the above reaction:a. D+C→F = -7.2 kcalb. X+Y→Z = +10 k...

Solved • Jul 26, 2017

Thermochemistry

Q. A reaction with a negative ΔG is referred to as an: a. endergonic reaction b. entropy reaction c. exergonic reaction d. activation reaction

Solved • Jul 26, 2017

Thermochemistry

Q. As energy is being reconverted through the many forms, it is continuously lost as a. electricity b. light c. sound d. heat e. chemical energy

Solved • Jul 19, 2017

Thermochemistry

Q. A chemical reaction in which the products contain less energy than the _______ will tend to proceed spontaneously. a. reactants b. enzymes c. co...

Solved • Jul 19, 2017

Thermochemistry

Q. Reactions that occur spontaneously and release free energy are called a. activation reactions b. exergonic reactions c. catabolistic reactions ...

Solved • Jul 19, 2017

Thermochemistry

Q. The ΔG for a particular uncoupled reaction in a cell is -5.0 kcal/mol. Based on that information, which of the following is false?  a. The reactio...

Solved • Jul 18, 2017