Other
CHEM 120 Week 8 Exam 3 (Units 5, 6, and 7)
- Institution
- Chamberlain College Of Nursing
CHEM 120 Week 8 Exam 3 (Units 5, 6, and 7)
[Show more]
Content preview
CHEM 120Test 3: Chapters 9,10,11,15,16
Due: Monday, (Spring Semester)
1Exam 3 Total Points: 80
Multiple Choice questions: Q 1-40. Highlight or mark the correct answer. (2 point each)
1.The following is a polymer.
a.Glucose
b.Polysaccharide
c.DNA
d.B & C are true
2.The following is a naturally occurring polymer.
a.Celluloid
b.Silk
c.Plastic
d.A & B
e.All of the above
3.The following is true for Addition polymers.
a.During synthesis, all of the monomers combine with each other b.During synthesis, only parts of monomers combine with each other
c.H2O is a common byproduct.
d.None of the above are true
4.The following is true for condensation polymers.
a.During synthesis, only parts of monomers combine with each other
b.H2O is a common byproduct of condensation synthesis in a cell.
c.Starch is a condensation polymer
d.All of the above are true
5.The following is always a reactant in hydrolysis reaction in a cell.
a.H2O
b.HCl
c.NH3
d.None of the above
6.Hydrocarbons are made of and a.C, H
b.C, O
c.C, S
d.C, P
7.As you increase the length of hydrocarbon chain, the molecules becomes more .
a.Polar
b.Nonpolar
8.Ionizing radiation CHEM 120
Test 3: Chapters 9,10,11,15,16
Due: Monday, (Spring Semester)
2a.causes radioactive acids to form
b.comes from synthetic isotopes only
c.is energetic enough to ionize atoms and molecules
d.can give one superpowers
9.“Free radicals disrupt cellular processes.” This statement is
a.True
b.False
10.Half-life is defined as
a.Emission of beta particles
b.The time it takes for half of the material to undergo decay
c.The time it takes for 1/4 of the material to undergo decay
d.The time it takes for all of the material to undergo decay
e.None of the above
11.“Radiation is used as diagnostic and a therapeutic tool in medicine.” This statement is
a.True
b.False
12.Energy is defined as
a.Ability to do work
b.Ability to transfer heat
c.Both a & b
13.The SI unit of energy is
a.Calorie
b.Joule
c.Watt
d.Kilocalories
14.Exothermic reactions
a.Release heat to the surroundings
b.Absorb heat from the surroundings
15.Reaction of acid with a base results in product formation with increase in temperature.
It is an example of
a.Exothermic reaction b.Endothermic reaction
16.“The first law of thermodynamics is also a law of conservation of energy.” This statement
is
a.True
b.False
17.An apple hanging on a branch has
a.Kinetic energy
b.Rotational energy
c.Potential energy
d.Force energy
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
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!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
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.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller AcademicGuide. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $34.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
73314 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now