What are hydrogen bonds Study guides, Class notes & Summaries

What feature of dietary fiber is responsible for its role in maintain gastro-intestinal health? a. Bonds between glucose molecules are unstable, and the digestive system can break down the fiber with minimal energy, effort, or strain on the system. b. Bonds between glucose molecules that cannot be broken by our digestive enzymes c. Chains consist solely of glucose and no other monosaccharides d. It comes from plants Answer b. Bonds between glucose molecules that cannot be broken by our dige...

Chem 219: Module 2 Exam Questions With 100% Correct Answers What are hydrocarbons? - answerMolecules composed of only the elements carbon and hydrogen What are the two major classes of hydrocarbons? - answerAromatic (benzene) and aliphatic (alkanes, alkenes, alkynes) What is the main source of hydrocarbons? - answerFossil fuels like coal, petroleum, and natural gas obtained by mining and drilling. What are Alkanes? - answerThey are saturated hydrocarbons because their skeleton is only c...

Mark Scheme (Results) Summer 2023 Pearson Edexcel GCE In Biology B (9BI0) Paper 02: Advanced Physiology, Evolution and Ecology Edexcel and BTEC Qualifications Edexcel and BTEC qualifications are awarded by Pearson, the UK’s largest awarding body. We provide a wide range of qualifications including academic, vocational, occupational and specific programmes for employers. For further information visit our qualifications websites at or . Alternatively, you can get in touch with us usin...

2 OCR 2023 SECTION A You should spend a maximum of 25 minutes on this section. Write your answer to each question in the box provided. 1 Which statement explains the trend in boiling points down the halogens group? A Covalent bonds become stronger. B Induced dipole–dipole interactions (London forces) become stronger. C Ionic bonds become stronger. D Permanent dipole–dipole interactions become stronger. Your answer [1] 2 A hydrocarbon contains 85.71% carbon by mass. What is the em...

SEMMELWEIS ENTRANCE MEDICINE BIOLOGY EXAM | QUESTIONS & 100% CORRECT ANSWERS (VERIFIED) | LATEST UPDATE | GRADEA+ What are carbohydrates and lipids? Correct Answer: Organic compounds that are mostly composed of three types of atom; carbon, hydrogen and oxygen What do carbohydrates do? Correct Answer: provide energy, in the form of sugars like glucose and fructose, but they also make up structures like cellulose, which form the cell wall of plant cells What type of carbohydrate is...

What is the age you have to be to receive your cosmetology license? - 17 What kind of shoes should you wear to work in the salon - Low heel closed toe What is the second towel used for in a shave? - Wiping the razor. Where do you apply a color for a retouch - up to the line of demarcation What is it called when you twist and pull the hair from the root to remove it - threading What should the Cape not touch? - the skin If the hair is dry and brittle, what kind of porosity does ...

CHEM 219 Module 2 Problem Set Principles of Organic Chemistry with Lab Gallaher Portage Learning. Score for this quiz: 10 out of 10 Submitted Jul 31 at 5:44pm This attempt took 110 minutes. Question 1 Not yet graded / 0 pts Your Answer: Define hydrocarbon. A hydrocarbon is a fully saturated chain of carbons and hydrogens Answer: Molecules composed only of the elements carbon and hydrogen. Question 2 Not yet graded / 0 pts Your Answer: What are the two major classes of hydrocarbon co...

BLG1501 Assignment 2 Semester 1 2024 (Solutions) Question 1 Not yet answered Marked out of 2.00 Flag question Question text Hydrolysis is reaction which occurs when Select one: a. a bond of a polymer is broken down through the addition of water molecule. b. two molecules are covalently bonded to each other through the loss of water. c. a double bond is formed between two atoms. d. a triple bond is formed between two atoms. Clear my choice Question 2 Not yet answered Marked o...

Version 1 1 CHAPTER 1 1) Which technique creates a three-dimensional dynamic image of blood vessels? A) Digital subtraction angiography B) Magnetic resonance imaging C) Dynamic spatial reconstruction D) Positron emission tomography 2) Magnetic resonance imaging is based on the movement of A) electrons in a magnetic field. B) carbons in a magnetic field. C) protons in a magnetic field. D) cells in a magnetic field. 3) The delivery of a radioactive compound to the body to study the met...

The attractions between atoms within a molecule of NH3 are best characterized as A. hydrogen bonds B. ionic bonds C. polar covalent bonds D. London (dispersion) forces E. ion-dipole forces Correct Answer-polar covalent bonds R(g) + 2T(g) ⇌ 2X(g) + Z(g) The reaction mixture above is at equilibrium at 298 K. The value of the equilibrium constant for the reaction is 16 at 298K. If R(g) , X(g) and Z(g) each have an equilibrium concentration of 2.0 M, what is the equilibrium concentrati...