Energy enthalpy entropy - Study guides, Class notes & Summaries

RNAS C Practice Test Review 437 Questions with Verified Answers A capacitor and resisitor in parallel - CORRECT ANSWER will have same voltage across since in parallel. if in series, voltage drops would occur they can be treated together If the absolute pressure of a gas is increased from 3 atm to 4 atm at constant volume, then the absolute temperature of the gas will increase by: A. 25%. B. 33%. C. 67%. D. 75% - CORRECT ANSWER B. Assuming the validity of the Ideal-Gas law, PV = n...

ACS Physical Chemistry Thermochemistry Study Guide |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, entropy increases (dir...

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...

MCAT General Chemistry (Princeton Review) Questions and Answers | Latest Update | 2024/2025 | Already Passed What is the role of a Lewis acid and a Lewis base in a chemical reaction? A Lewis acid is an electron pair acceptor, while a Lewis base is an electron pair donor. They interact to form a coordinate covalent bond where the base donates an electron pair to the acid. How does the concept of bond enthalpy relate to the strength of a chemical bond? Bond enthalpy (or bond dissoci...

In a barometer: if the external air force outweighs the weight of the mercury, then the column ______. If the external air force is less than the weight of the mercury, the column _____. correct answers rises, drops proteins correct answers amides are the functional groups present in: fructose-6-phosphate, glyceraldehyde-3-phosphate, NADPH, ribose-5-phosphate correct answers list all the products of the PPP: going down periodic table due to greater size and polarizability correct answer...

BIOCHEM FINAL Exam Questions With Verified Answers. What are the four most abundant elements found in living organisms? - answerC, O, H, N. What are the seven moderately abundant elements found in living organisms? - answerMg, Na, Cl, Ca, P, S, K. An Acyl functional group - answer-CO-R An Amido functional group - answer-CO-NH- An Amino functional group - answer-NH A Carbonyl functional group - answer-CO- A Carboxyl functional group - answer-COOH A Phosphoanhydride functional group - an...

AP BIOLOGY EXAM 2024 QUESTIONS AND ANSWERS Water characteristics - Correct Answer ️️ -polar, cohesion (hold together), adhesion (hold to another substance), surface tension, specific heat, heat of vaporization Surface Tension - Correct Answer ️️ -A measure of how difficult it is to stretch or break the surface of a liquid Specific Heat - Correct Answer ️️ -amount of heat absorbed or lost to change temperature by 1C Heat of Vaporization - Correct Answer ️️ -the quantity of ...

Which species will have the greatest absolute entropy at 25°C? Select one: A. C4H10(g) B. H2O(l) C. C2H5OH(l) D. C2H2(g) E. Ne(g) Which is a statement of the second law of thermodynamics? Select one: A. The energy of the universe is constant. B. The energy of the universe is decreasing. C. The entropy of the universe is increasing. D. The enthalpy of the universe is constant. E. The entropy of the universe is constant. My Account Question 3 Correct 5.00 points out of 5.00 Que...

CHEM191 Module 2 Exam Questions With 100% Correct Answers What is kinetic energy? - answerenergy of motion what is potential energy? - answerenergy of relative position 0 chemical bonds act as a store of potential energy what happens in terms of heat when a chemical reaction happens? - answerheat (q) is either absorbed or released by the reaction. what is enthalpy? - answerthe heat of reaction measured under conditions of constant pressure. how can the change in enthalpy be determined? ...

CHEM191 Module 2 Exam Questions With 100% Correct Answers What is kinetic energy? - answerenergy of motion what is potential energy? - answerenergy of relative position 0 chemical bonds act as a store of potential energy what happens in terms of heat when a chemical reaction happens? - answerheat (q) is either absorbed or released by the reaction. what is enthalpy? - answerthe heat of reaction measured under conditions of constant pressure. how can the change in enthalpy be determined? ...