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Flashcards in Week 1 Gen/Org Chem Deck (96)
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1

How many significant figures? 222 ? 0.0123 ? 0.2050 ?

222= 3 0.0123=3 ( leading 0 are not significant) 0.2050=4 (Trailing 0 in a # w/ a decimal are significant)

2

0.0000000005 Scientific Notation

5 x 10-10

3

42 Celsius = what in Farhenheit?

F= 9/5 (42) +32 or F= 1.8 (42) +32 Answer : 107.6

4

96 Farhenheit = What in Celsius?

C= 0.556 x (F-32) or C=5/9 (F-32) Answer: 35.58

5

Absolute zero is ?

-273.15 celcius or 0 Kelvin

6

Hetero/Homo Pure/Mixture A glass of water with ice cubes in it?

Hetero pure

7

Hetero/Homo Pure/Mixture Chicken noodle soup

Hetero mixture

8

Homemade sweetened ice tea with sugar?

Homo Mixture (single phase liquid, but has sugar in it)

9

Vodka only in a glass

Homo Pure

10

A pure substance containing only 1 atom

Element

11

The smallest unit of an element

Atom

12

On the periodic table the element carbon C has 2 numbers associated with it what are they?

Atomic Mass and Atomic number

13

The atomic number represents what?

The number of protons

14

The atomic mass represents?

The number of protons and neutrons together

15

An atom with the same number of protons but having more number of neutrons is called a ?

Isotope

16

The strongest chemical bond is ?

Covalent

17

Covalent bonds are a _______ of electrons?

Sharing of a pair

18

All atoms except _____ and _____ fill the outer layer of electrons with an octet

Hydrogen and Helium

19

NaCl has what type of bond?

Ionic Bond

20

_______ _________ result form the transfer of electrons from one atom to another leaving atoms with + and - charges to attract one another

Ionic Bond

21

Non-covalent bonds consist of:

Ionic bonds Hydrogen Bonds Hydrophobic bonds London dispersion forces Keesom forces

22

Hydrogen bonds?

A weak electrostatic interaction between a hydrogen atom and 2 electronegative atoms

23

London dispersion forces

Very weak interactions occuring between electrically neutral molecules at close range

24

IA ( far left column) are in what family?

Alkaline Metals

25

Noble gasses are which family?

VIII far Right column

26

Physical properties of non-metals are observed at ?

Room temperature

27

What is Avagadro's number?

6.022 x 1023

28

One mole of a substance is called a _______ and has units of _______

Molar Mass and has units of g/mol

29

How many moles are in 75 g of NaCl?

Na mass= 23, Cl mass=35 23+35=58 75/58 = 1.293 g/mole 1.293 moles in 75 g of NaCl

30

Polyatomic Ion ?

contains atoms covalently bonded but retain their identity within the compound

31

Ammonium

NH4+

32

Hydronium

H3O+

33

acetate

C2H3O2-

34

Hydrogen carbonate (bicarb)

HCO3-

35

Hydroxide

OH-

36

Nitrate

NO3-

37

carbonate

CO32-

38

Reduction

Neutral Cl2 + 2e- = 2Cl- When a reactant gains electrons and becomes more negative. (+) or a neutral to a (-) = Reduction

39

Peroxide

O2 2-

40

Sulfate

SO4 2-

41

Phosphate

PO4 3-

42

Oxidation

Neutral atom (Na) to Na+ (+) e- when the reactant loses electrons and becomes more positive. (-) or neutral to a (+) = Oxidation

43

Le Chatelier's Principle

Any stress placed on an equilibrium system will cause the system to shift to minimize the effect of the stress

44

A functional group is?

A set of atoms bonded together in a specific way

45

Functional groups define______ and _______ of the compound?

chemical and physical properties

46

Aromatics are made up of a ______ ring?

Benzene

47

Alkynes are a _____ bond?

triple

48

Alkanes are a _____ bond?

single

49

Alkenes are a _____ bond?

double

50

ALKENE

51

ALKYNES

52

ALCOHOL

53

ETHER

54

AMINE

55

ALDEHYDE

56

KETONE

57

CARBOXYLIC ACID

58

ESTER

59

AMIDE

60

PHENOL

61

AROMATIC

62


METH

ETH

PROP

1

2

3

 

63


BUT

PENT

HEX

4

5

6

 

64


HEPT

OCT

NAN

DEC

7

8

9

10

65

66

67

68

ETHENE

69

ETHYNE

70


R-X ( The x implies what?)

A Halogen is attached

71

Halothane

72


What is

CH3-CH3-OH

EHTHANOL

73


What is

CH3-CH2-CH2-OH

PROPANOL

74

75

DESFLURANE

76

SEVOFLURANE

77

ISOFLURANE

78

ENFLURANE

79

AMINE

80

KETON

81

ALDEHYDE

82

CARBOXYLIC ACID

83

ESTER

84

AMIDE

85

86

87


Geometric Isomer

a subset of isomers that have atoms connected by the same sequence of bonds but are different in the 3 demensional space

(Cis and Trans)

88


Stereoisomers

Isomer that containes a chiral center

(A carbon with 4 different groups attached)

89


Chirality

Mirror images that are not superimposable

 

90


Enantiomer

a steroisomer that exists as a non-superimposible mirror image

91


Enantiomers have the same_____, _____, ______ ?

boiling point, melting point, density

92


Which is usually more potent Dextrarotatory or Levorotatory?

Levorotatory

93


Racemic mixture is

50% levo and 50% Detra

94


Dextrarotarory rotates light to the ?

Right

95


Rectus decreases to the ?

Right or clockwise

96


Sinister decreases to the ?

Left or counter-clockwise