Book Title:
Author(s):
By: camilass • 3 year ago
By: zamb64 • 3 year ago
Sections remain blurred after purchase
By: eduardolarosa • 5 year ago
Some examples from this set of practice questions
1.
in order to be polar a molecule must satisfy which 2 conditions?
Answer: 1. have polar covalent bonds inside 2. have an asymmetrical shape
2.
STRONG bonds between ATOMS that are formed by UNEQUAL SHARING of valence electrons
Answer: polar covalent bonds
3.
STRONG bonds between ATOMS that are formed by EQUAL SHARING of valence electrons
Answer: nonpolar covalent bonds
4.
WEAK bonds between MOLECULES that do NOT INVOLVE SHARING of valence electrons (2 types; also see Chapter 2)
Answer: 1. H-bonds 2. van der Waals attractions
5.
H-bonds form between
Answer: the DELTA POSITIVE H atom of the FIRST POLAR MOLECULE and a DELTA NEGATIVE O, N or F atom of a SECOND POLAR MOLECULE
6.
water covers ______ % of the earth
Answer: 75%
7.
cells are _______ - _______ % water
Answer: 70-95%
8.
cohesion
Answer: when a polar molecule H-BONDS to polar molecules of the SAME kind
9.
adhesion
Answer: when a polar molecule H-BONDS to polar molecules of a DIFFERENT kind
10.
surface tension
Answer: the property of a liquid that keeps forces from breaking through its surface (occurs due to increased H-bonding between surface molecules)
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Stuvia is a marketplace, so you are not buying this document from us, but from seller yourbiologycoach. Stuvia facilitates payment to the seller.
No, you only buy these notes for $3.49. You're not tied to anything after your purchase.
4.6 stars on Google & Trustpilot (+1000 reviews)
97338 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now
