{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

Quiz 5 Chemistry - Removal of-H and-OH from monomers to...

Info icon This preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Quiz 5 Chemistry 1. What defines the element to which a particular atom belongs? The number of protons in the  nucleus. 2. An isotope has a half-life of 13 years. If there is a 3 gram lump of this isotope, how much of  the isotope will remain after a period of 52 years? 0.1875 gram 3. What causes a hydrogen bond? unequal sharing of electrons between covalently oxygen and  hydrogen atoms 4. Distinguish between a hydrophilic and a hydrophobic substance. Hydrophobic substances do  not mix well with water; hydrophilic substances mix well with water 5. Which general type of chemical reaction is respiration? Oxidation 6. Whic of the following generally describes the process of synthesis (=dehydration synthesis). 
Image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Removal of -H and -OH from monomers to join the monomers into a polymer, and forming water. 7. What does the second law of thermodynamics state? Some useful energy is lost to a system whenever an energy trnasfer occurs. 8. What is the relationship between monosaccharides and polysaccharides? polysaccharides are composed of monosaccharide units 9. What are the basic units that comprise an unsaturated fat molecule? glycerol and 3 fatty acids, at least one of which is unsaturated 10. What is a secondary structure of a protein? The twisting of the string of amino acids into an alpha-helix or pleated sheet....
View Full Document

{[ snackBarMessage ]}

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern