Chapters 8-20 & 16 Flashcards Preview

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Flashcards in Chapters 8-20 & 16 Deck (50)
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1

Food additives are used

a) to enhance or improve the taste of food
b) as antioxidants
c) as preservatives
d) all the above

D) all the above

2

An electrochemical cell is a device that converts chemical energy into

Electrical energy

3

An organic compound is best defined as

a compound containing carbon

4

In representing the general formula of various functional groups, the symbol R stands for

an alkyl group

5

What is the name of the compound with a formula CH3CH3?

Ethane

6

The general formula for a ketone is

RCOR'

7

Every reduction reaction must be accompanied by

an oxidation reaction

8

In a reaction, the substance undergoing oxidation serves as the

reducing agent

9

The -COOH group represents the

Carboxyl group

10

From your body's perspective, glucose is

a) a fuel
b) a source of structural material
c) an oxidizing agent
d) all the above

a fuel

11

The simplest alkane is

methane (meth = 1)

12

The addition of nutrients to replace those lost in processing is called

enrichment

13

Monomers are

a) small polymers
b) ethylene
c) small building blocks of polymers
d) all the above

small building blocks of polymers

14

The unique aspect of a saturated hydrocarbon is that it must contains

only single bonds

15

What is the name of the compound with a formula CH3CH2CH3

propane (pro = 3)

16

HDPE finds application in

rigid containers

17

Fiber in the diet appears to benefit individuals with all the following EXCEPT

a) high blood pressure
b) diverticulitis
c) diabetes
d) scurvy

D

18

Celluloid is a chemical modification of which natural product

a) cellulose
b) cellophane
c) ivory
d) cells

A

19

The element whose atoms have a unique ability to bond to each other and two other kinds of atoms is

Carbon

20

Saturated fats have

Primarily C-C bonds

21

The parts of organic molecules that give compounds characteristic chemical and physical properties are known as

Functional groups

22

In organic chemistry, compounds are generally classified by

Functional group

23

Which one of the following is not one of the definitions of reduction

a) reduction is the addition of hydrogen to a substance
b) reduction is the loss of electrons from a substance
c). Reduction is the gain of electrons by substance
d) reduction is a loss of oxygen from a substance

B

24

In the reaction Cu+ + Fe --> Cu + Fe2+

a) Cu+ is the reducing agent
b) Cu is the reducing agent
c) Fe2+ is the reducing agents
d) Fe is the reducing agent

D

25

Fat soluble vitamins are steed where

In the body

26

How many different structural isomers are the for a hydrocarbon with the formula C5H12

3

27

The compound below is classified as

a) carboxylic acid
b) ester
c) ketone
d) aldehyde

O
||
CH3CH2CH2C-OCH2CH3

B

28

Low-Density lipoprotein is often called "bad cholesterol" because it

Delivers cholesterol to the cells where it may be deposited in arteries

29

Alcohols are characterized by what function group

Hydroxyl (ROH)

30

Sodium bisulfide converts bromine (Br2) to bromide (Br-). Sodium bisulfate is a

Reducing agent