Energy enthalpy entropy Study guides, Class notes & Summaries

1. Lactose intolerance is due to the a. inability to hydrolyze polysaccharides. b. body’s ability to digest lactose but inability to absorb the resulting products. c. gaseous side products produced in the small intestine. d. inability to produce the enzyme lactase. e. inability to oxidate luciferase. Answer: d Textbook Reference: 8.0 Lactase deficiency, p. 148 Bloom’s Category: 2. Understanding 2. Water held back by a dam represents what kind of energy? a. Hydroelectric b. Irrig...

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 ...

System - The portion of the universe we have singled out for study surroundings - Everything else in the universe universe - System and surroundings work - the action of a force through a distance heat - Transfer of energy from hotter to colder object heat capacity - The amount of heat needed to raise the temperature by 1 K Heat Tax - Increase in surroundings comes from the heat from the system Kinetic energy - Energy of motion potential energy - Energy of an object by virtue of its posi...

Which contains more energy: 25 g of boiling water at 100⁰C or 25 g of steam at 100⁰C? a. 25 g of boiling water at 100⁰C b. 25 g of steam at 100⁰C c. Both contain the same amount of energy. d. The relative amounts of energy cannot be determined from the information given. b. 25 g of steam 100⁰C Which of the following statements best explains the fact that the change in internal energy (∆Ε) equals the difference of the final value and the initial value? a. the value of in...

Chemistry Thermodynamics Test Review || All Questions & Answers (Graded A)Chemistry Thermodynamics Test Review || All Questions & Answers (Graded A)Chemistry Thermodynamics Test Review || All Questions & Answers (Graded A) What is the change in entropy? - ANSWER - Delta S What is the change in free energy? - ANSWER - Delta G What is the change in enthalpy? - ANSWER - Delta H What heat received by the chemical system from its surroundings? - ANSWER - Q as in Q=mcp(delta)T The interna...

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...

prokaryote correct answers small, simple, single celled organisms adapt to change very quickly does not have a nucleus does not have membrane bound organelles have ribosomes for protein synthesis from an RNA message eukaryote correct answers true nucleus large, complex cells, make up multi-cellular organisms have organelles- specialized functions differentiation of cells to unique and specialized cell types linear DNA L amino acids correct answers the only type of amino acid used t...

What is a metabolic pathway? - Answer-A pathway that a molecule goes through, resulting in a specific product. What is metabolism? - Answer-The totality of an organisms chemical reactions Gibbs free energy - Answer-Portion of a system that can perform work when temp and pressure are uniform throughout the system. What is a way to show change in free energy? - AnswerWhat does a negative Delta G mean? - Answer-A process that is spontaneous What does spontaneous mean? - Answer-Means that a pr...

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...