Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

Gen chem > Exam 1 > Flashcards

Exam 1 Flashcards

1
Q

Molecules

A

nonmetal elements that bond

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Ionic

A

metal +nonmetal that bond NH4 is a metal when at the beginning

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Chemical change

A

you make a new chemical (EX acid plus base)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

physical change

A

Nothing chemically changes (EX: heat)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

INTensive property

A

INDependent of sample size

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

EXTensive property

A

More stuff EXTends the property. bigger sample size changes property

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Chromatography

A

seperating inks SEPERATES BASED ON POLARITY.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

distillation

A

boiling methanol SEPERATE TWO LIQUIDS VIA BOILING POINT

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

filtration

A

coffee filter SOLID FROM LIQUID

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

kinetic energy

A

energy of motion (temp)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Potential energy

A

ability to store energy that can become kinetic energy (heat)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

volumetric glassware

A

very accurate/ calibrated glassware ex graduated cylinder.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Density equation

A

D = Mass g/volume mL

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

1 mL = 1 ???

A

cm^3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

1.0 + 1.2298887 in sig figs

A

2.2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

(1.0 +1.0085749)/ 2.000989 in sig figs

A

1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

JJ Thompsom Cathode Ray

A

showed that there were charged particles comming out of atoms (electrons)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Millikan’s Oil drop

A

found out what charge were for electrons via the rate that the drops fell

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Rutherfords gold foil

A

shot alpha particles through gold foil and showed that solids weren’t really that solid (most fly through). Proved existence of nucleus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Rutherford’s atom model

A

had a nucleus and a charged space around it filled with electrons.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

JJ Thomson’s model

A

plum pudding model, basically soup of charges.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

mass spectrometer

A

shows how heavy things are using magnets (counts up atoms)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

molecular formula

A

ACTUAL amount of atoms in molecule

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

empirical formula

A

RATIO of atoms in molecule

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

7 Diatomic molecules

A

H2, N2, O2, F2, Cl2, Br2, I2,
NOTE NOT FOR ELEMENTAL

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

Eth-

A

2 carbons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

Meth-

27
Q

Prop-

28
Q

But-

29
Q

cyclo-

A

all carbons bounded in a circle

30
Q

OH functional group

A

Alchohol, adds -ol ex: methane to methanol

31
Q

combustion rxn

A

Fuel + 02 = CO2 + H2O

32
Q

avogandros number

A

6.022 x 10^23 amu

33
Q

empirical formula from mass percent

A

percentage x mass / atomic mass/ smallest amount of moles =empirical formula

34
Q

percent yield

A

actual yield/ theoretical yield x 100

35
Q

scaleen factor

A

gets from empirical to molecular

36
Q

Metric system is GI-ME-KI or GMK

A

10^9 10^6 10^3

37
Q

deci (d)

38
Q

Centi (c)

39
Q

Milli (m)

40
Q

Micro (u?)

41
Q

Nano (n)

42
Q

Pico (p)

43
Q

Femto (f)

44
Q

how many times must we convert m^3 to cm^3?

45
Q

Kinetic energy equation

A

KE = 1/2 mv^2

46
Q

Discrete element

A

Diatomic element thing H2

47
Q

ite replaced with _____ in acids

48
Q

ate replaced with ____ in acids

49
Q

5 carbons

50
Q

6 carbons

51
Q

7 carbons

52
Q

8 carbons

53
Q

9 carbons

54
Q

10 carbons

55
Q

formula units

56
Q

isomers

A

molecules with the same molecular formula, but different structural appearances.

57
Q

PO4 name and charge

A

phosphate 3-

58
Q

C2O4 name and charge

A

Oxalate 2-

59
Q

CO3 name and charge

A

Carbonate 2-

60
Q

Dichromate formula and charge

61
Q

SO4 name and charge

A

Sulfate 2-

62
Q

SO3 name and charge

A

Sulfite 2-

63
Q

IMP for mass spectrometer questions….

A

Remember diatomics or discrete elements

Gen chem (6 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions