Inorganic Chem

Question 1

formula of chlorophyll

Answer 1

C55H72MgN405

Question 2

formula of DNA

Answer 2

C15 H31 O13 N3 P2

Question 3

formula of aquamarine

Answer 3

Be3 Al2 Si6 O18

Question 4

formula of plaster of paris

Answer 4

CaSO4. 1/2H2O

Question 5

formula for baking soda

Answer 5

NaHCO3 (sodium bicarbonate)

Question 6

formula of caustic soda

Answer 6

NaOH (sodium hydroxide)

Question 7

formula of glucose

Answer 7

C6H12O6

Question 8

3 fundamental laws of stoichiometry (who proposed)

Answer 8

1. law of conservation of mass (Antoine Lavoisier)
2. law of definite composition (Joseph Louis Proust)
3. law of multiple proportions (John Dalton)

Question 9

matter cannot be created nor destroyed but only change from form to another

Answer 9

law of conservation of mass

Question 10

regardless of a substance’s extensive amount the % content of its component is constant

Answer 10

law of definite composition

Question 11

atoms have the tendency to combine with one another in appreciable whole number integers, each one being a distinct compound

Answer 11

law of multiple proportions

Question 12

effective bulletproof vest

Answer 12

polyethylene fiber (PEF)

Question 13

old material for bulletproof vest “kevlar”

Answer 13

polyamide fiber (PAF)

Question 14

for acrylics (plexiglass, lucite which are common material for construction)

Answer 14

polymethacrylate fiber (PMF)

Question 15

for bulletproof windows

Answer 15

polycarbonate fiber (PCF)

Question 16

formula for partial pressure if given altitude

Answer 16

dP/dz = -pg *p is density

Question 17

in REDOX, what is used o balance H and O in acidic reactiont

Answer 17

H -> H+,
O -> H2O

Question 18

in REDOX, what is used to balance H and O in basic reaction

Answer 18

H -> H2O
O -> OH-

Question 19

in REDOX, what is used to cancel out H+

Answer 19

e-

Question 20

discovered electron

Answer 20

JJ Thompson

Question 21

coined the term electron

Answer 21

George Stoney

Question 22

experiment that lead to discovery of electron

Answer 22

cathode ray experiment

Question 23

determined the charge of electron up to 5 significant figures

Answer 23

Robert Millikan

Question 24

Millikan performed what experiment

Answer 24

oil drop experiment

Question 25

discovered proton

Answer 25

Ernest Rutherford

Question 26

the experiment that lead to the discovery of proton

Answer 26

geiger-marsden experiment

Question 27

discovered neutron

Answer 27

James Chadwick

Question 28

created the modern atomic model

Answer 28

Neils Bohr

Question 29

the energy that a system possess is finite and discrete

Answer 29

Quantum Theory

Question 30

discovered Quantum Theory

Answer 30

Max Planck

Question 31

made the first spectroscope

Answer 31

Robert Bunsen Gustav Kirchoff

Question 32

discovered Rubidium and Caesium

Answer 32

Robert Bunsen Gustav Kirchoff

Question 33

places no limitation on the amount of energy that a system may possess

Answer 33

Classical Physics

Question 34

the energy of a quantum of electromagnetic radiation is proportional to the frequency of the radiation

Answer 34

Planck's Eqtn (E=hf)

Question 35

value of planck's constant (E=hf)

Answer 35

h = 6.626x10^-34 J/s (calcu #6)

Question 36

formula for wavelength

Answer 36

C = wf (C=3x10^8 speed of light)

Question 37

energy that binds an e- to the surface of metal

Answer 37

work function

Question 38

formula of work function

Answer 38

E = WF + KE E = hf C = wf KE = (1/2) (meve^2)

Question 39

de Broglie's wavelength eqtn

Answer 39

w = h/mv

Question 40

intramolecular forces

Answer 40

ionic, covalent, metallic bond

Question 41

intermolecular forces

Answer 41

van der waals, dipole-dipole, hydrogen bonding

Question 42

Van der Waal's forces

Answer 42

- weakest intermolecular force - present in all compounds

Question 43

dipole-dipole forces

Answer 43

- stronger than vdw - only exist in polar compounds - involves the alignment of partial + and partial - poles

Question 44

hydrogen bonding

Answer 44

- strongest intermolecular force 2 requirements: a. there must be H atom covalently bonded to an electronegative atom (O,N,F) b. the other molecule must have a lone pair in its electronegative atom (O,N,F)

Question 45

tendency of a molecule to undergo electron redistribution due to an exposure to an external electric field

Answer 45

polarizability

Question 46

polarizability is heavily dependent on

Answer 46

atomic radius (A.R. increases in right to left to down in periodic table)

Question 47

intermolecular forces is directly proportional to

Answer 47

boiling point melting point surface tension viscosity

Question 48

intermolecular forces is inversely proportional to

Answer 48

vapor pressure

Question 49

Element which William Ramsay first discovered with Lord Rayleigh

Answer 49

Argon

Question 50

William Ramsay's 2and element discovered

Answer 50

Helium (cleveite)

Question 51

What is the 3 elements that William Ramsay isolated together with Morris Travers

Answer 51

Neon Krypton Xenon

Question 52

Element that William Ramsay discovered with Frederick Soddy

Answer 52

Radium

Question 53

Who isolated argon from distilled air

Answer 53

William Ramsay and Lord Rayleigh

Question 54

Who isolated Helium from cleveite (uranium ore)

Answer 54

William Ramsay

Question 55

Who isolated neon from distilled air

Answer 55

William Ramsay & Morris Travers

Question 56

Who isolated krypton from distilled air

Answer 56

William Ramsay & Morris Travers

Question 57

Who isolated xenon from distilled air

Answer 57

William Ramsay & Morris Travers

Question 58

Who discovered radium

Answer 58

William ramsay & Frederick soddy

Question 59

Chemical formula of buckyball or buckminsterfullrene

Answer 59

C60

Question 60

Formula of osmotic pressure

Answer 60

MRT M (molality)