Chem/phys 1 Pr

Front 1

if im heating liquid water?

Back 1

q = mc delta t

Hint 1

Mcat

Front 2

How much energy is needed to convert water into a gas?

Back 2

q = m delta h

heat of vaporization

Front 3

What are the differences between the conditions for a solid and for a gas?

Back 3

Low temperatures and high pressures = solid.

High temperatures and low pressures = gas

Front 4

In a phase diagram what variables am i looking at?

Back 4

The effect of temperature and pressure of substance.

Front 5

What is the relationship between gas and solid?

Back 5

Sublimation is solid to gas
Deposition is gas to solid

Front 6

How can i relate solids and liquids phases?

Back 6

When a solid melts it becomes a liquid.

When a liquid freezes it becomes a solid.

Front 7

What is the relationship between liquids and gases?

Back 7

When a liquid vaporizes it becomes a gas, when a gas condensates it becomes a liquid.

Front 8

if i want to figure out what amount of energy is needed to change a substance for a solid to a liquid what equation would be used?

Back 8

heat of fusion

Front 9

When is the liquid and gas phase un seperable

Back 9

critical point

Front 10

At what point are the phases solid, liquid, and gas indistinguishable?

Back 10

triple point

Hint 10

tres, count it up.

Front 11

What is the amplitude of a wave?

Back 11

Max displacement of a wave from horizontal axis (time).

Front 12

What is the period measured in?

Back 12

Time

Front 13

How do I know a period has occured?

Back 13

The time it takes for a air molecule to complete one cycle. So basically crest to crest of a wave.

Hint 13

Displacement Vs. Time

Front 14

How are pitch and period related?

Back 14

higher pitch means air molecules oscillated faster = decreased period.

Front 15

What is the difference between frequency and period?

Back 15

period is how long a oscillation is, frequency is how many oscillations in one second.

Front 16

When you see hertz you should think of?

Back 16

Frequency

Hint 16

1/time.

(1/period)

Front 17

What is the units of period?

Back 17

seconds

Front 18

1/F?

Back 18

This is a period. A higher frequency means a lower period. A lower frequency means a longer period.

Front 19

A high note would have a low or high frequency?

Back 19

high frequency, it oscillates quickly. this also means a high pitch.

Front 20

What is the difference between wavelength and period?

Back 20

The distance traveled in one period is wavelength, the time for one cycle is the period.

Front 21

Units of wavelength

Back 21

Meters

Front 22

difference between transverse wave and longitudinal wave?

Back 22

Longitudinal travels parallel to the oscillations in the medium. transverse go perpendicular.

Front 23

What type of wave is sound?

Back 23

Longitudinal Wave

Front 24

How do we find the speed of a wave?

Back 24

Wavelength over a period

Hint 24

think distance/time

Front 25

A wave goes how many wavelengths per period?

Back 25

1.

Front 26

When you see Watt you should think?

Back 26

power

Front 27

explain the relationship between power intensity and area.

Back 27

Intensity is the power transferred per unit area.

I = Power /Area

Hint 27

Watts/ meters^2

Front 28

What is the relationship between power and energy?

Back 28

Amount of energy consumed per unit time.

Front 29

Relate power, work, and time.

Back 29

(Joules / second) = Watt

WORK/TIME

Hint 29

Units of work / Units of time.

Front 30

How is work related to energy

Back 30

work is a measurement of energy.

Front 31

What is the charge of a photon and how would it function in a magnetic field?

Back 31

Photons have no charge. they would not function in a magnetic field.

Front 32

What is the difference between beta plus and beta minus decay?

Back 32

In beta minus a neutron becomes a proton. In beta plus a proton becomes a neutron.

Hint 32

mi-(N)us. (mi Neutron gawn)

(P)lus. mi Proton loss.

Front 33

What is released in alpha decay?

Back 33

a helium atom.

Front 34

Explain what happens to the mass number and atomic number during alpha decay?

Back 34

the atomic number goes down by 2 and the mass number goes down by four.

Front 35

Which electron carrier has higher affinity FADH2 or NADH?

Back 35

FADH2. NADH gives up electrons first.

Front 36

Which carrier does FADH2 give electrons to?

Back 36

Coenzyme Q.

Front 37

What is the difference in location of the krebs cycle and the ETC?

Back 37

ETC happens in the inner mitochondrial matrix. krebs happens in the mitochondrial matrix for eukaryotes. in the cytoplasm for pros.

Front 38

Where does glycolysis occur?

Back 38

cytoplasm

Front 39

How is the bile acid activated in the small intestine?

Back 39

Pancreas secretes bases that deprotonates bile acid.

Hint 39

small intestine has a higher ph than normal.

Front 40

Role of pancreas in digestion?

Back 40

It secretes bases into the duodenum. Also secretes insulin.

Front 41

Order of the small intestine?

Back 41

duodenum, jejunum, illeum.

Hint 41

Di-Jest-Ion

Front 42

What is the difference between the role of duodenum and jejunum/illeum in digestive system

Back 42

Duodenum digest chyme with help of pancreas secretion.
jejunum/illeum absorb nutrients.

Front 43

When you see salt what chemical property should you think?

Back 43

Charged, thus hydrophillic.

Front 44

What conditions favor deprotonation thinking about pka and ph.

Back 44

ph above pka.
high ph.

Front 45

Explain the relationship between wavelength and energy of emitted photon.

Back 45

longer wavelength = lower energy of photon emitted.

Hint 45

(hc)/wavelength

Front 46

When you see imine what relationship between carbon and nitrogen should come to mind?

Back 46

a carbon nitrogen double bond.

Front 47

what is the difference between a amide and amine functional group?

Back 47

amide = carbonyl with a nitrogen attached.
amine = NR3

Hint 47

amide - peptide bond.

Front 48

For a concave mirror, as the object gets closer to the mirror from the focal point the image does what?

Back 48

Gets smaller till it is the same size as the object.

Front 49

What is the difference in the amount of atoms in the ring for a furanose vs a pyranose sugar?

Back 49

Furanose has 5 atoms, pyranose has 6.

Front 50

I assign D or L based on the configuration of what stereocenter?

Back 50

The last one.

Hint 50

DR - Dominican Republic

LS - Line sister

Front 51

Which configuration at the last stereocenter will give me a D sugar and which will give me a L sugar?

Back 51

R - D sugar

S- L sugar

Front 52

What is the difference between alpha and beta anomers

Back 52

OH down in alpha
OH up in beta

Hint 52

Throw UP the big Bs.

Front 53

How do lipases relate to fats?

Back 53

They hydrolyze lipids

Front 54

What is the correlation of lipases with the pancreas, stomach, and mouth?

Back 54

Location

Front 55

In the mouth how does amylase and lipase aid digestion?

Back 55

Amylase breaks down carbs, lipase breaks down fats.

Front 56

When you see a oxygen with 2 R groups think

Back 56

ether

Front 57

What is the difference between electron affinity and electronegativity?

Back 57

Electronegativity is the tendency of a atom to attract electrons in a covalent bond. Electron affinity is amount of energy released when an electron is added.

Front 58

The energy required to remove an electron from a neutral atom is?

Back 58

Ionization energy

Front 59

What is the units of rate and moles ?

Back 59

rate always have units moles per second.

Front 60

For first order reaction, the rate is based upon the concentration of what?

Back 60

rate of the reaction is proportional to the concentration of the reacting substance.

Front 61

What is the rate of a 0 order reaction based on?

Back 61

nothing, its constant.

Front 62

The concentration of what influences the rate of a second order reaction?

Back 62

square of reactant OR two different reactants.

Front 63

How does concentration relate to the rate of a third order reaction.

Back 63

rate based on three reacting molecules

Front 64

rate = k x A ^ 0

Back 64

zero order

Front 65

rate = k x A

Back 65

first order

Front 66

rate = k x [A] ^ 2
rate = k [A] [B]

Back 66

second order

Front 67

rate = k [A] ^ 3
rate = k [A] ^ 2 [B]

rate = k [A] [B] [C]

Back 67

third order reaction
3 different reactants

Front 68

What is the concentration when thinking of rate laws?

Back 68

moles per liter

Front 69

When will the -log of x be negative?

Back 69

If numerator greater than the denominator

Hint 69

If x is > 1

Front 70

When will the - log of x be positive?

Back 70

When the denominator is greater than the numerator.

Hint 70

If x is < 1

Front 71

When will the - log of x be 0

Back 71

When x is 1.

Front 72

What is a weak base expected to do?

Back 72

Does not fully ionize in solution

Front 73

Bases are expected to create what ions in a solution?

Back 73

OH

Front 74

If you create more OH in a solution are you a weaker or stronger base?

Back 74

Stronger

Front 75

What is the relation between Kb and strength of a base?

Back 75

Higher Kb means stronger base

Hint 75

A + H2O -> OH + HA

Kb = [OH] [HA]

--------------

[A]

Front 76

What is the relationship between acid/base strength and ionization?

Back 76

Strength refers to the extent of the ionization.

Front 77

When I see ionization what are ions of interest for bases and acids?

Back 77

Acids - H (H30) created

Bases - OH created

Front 78

Higher Ka means?

Back 78

More dissociation, ionization. Stronger acid.

Front 79

What is the relation between Ka and pka.

Back 79

Larger Ka = lower pka.

Front 80

Strength of base in relation to pkB

Back 80

low Pkb means stronger base.

Hint 80

lower pkb means higher kb. higher kb is more OH ions.

Front 81

How do I find the rate of binding if given rate of dissociation?

Back 81

Take the reciprocal.

Front 82

What does a western blot tell you ?

Back 82

If a protein is present.

Front 83

What does a PCR tell you?

Back 83

makes copies of DNA or genes. tells you what genes are expressed.

Front 84

How does reverse transcriptase relate to MRNA strands and expression in regards to a sample?

Back 84

You need a MRNA transcript. It tells you what transcripts are expressed.

Front 85

How does cDNA relate to RT-PCR.

Back 85

mRNA converted to cDNA. cDNA amplified by PCR.

Front 86

In terms of circuits, when you see current think?

Back 86

I (amps)

Front 87

When you see Ohms think?

Back 87

Resistance

Front 88

What is the relationship between the pharynx and larynx?

Back 88

Food goes from pharynx to larynx to esophagus

Front 89

When breathing what is the pathway after the pharynx?

Back 89

Pharynx Larynx Trachea Bronchiole tubes

Front 90

For series, how do we know the current difference?

Back 90

Current through series circuit is constant

Front 91

How do we know the total voltage drop across a series circuit?

Back 91

It is the sum of the voltage drops through resistors.

Front 92

What is the total resistance of a series circuit?

Back 92

Equal to all of the resistors added together.

Front 93

Explain the direction in terms of terminal that electrons flow.

How does flow of electrons and current in a circuit differ?

Back 93

Electrons flow from negative terminal to positive terminal. Current flows from positive to negative terminal.

Front 94

If you see amperes or coloumbs/sec you should think of?

Back 94

Current

Hint 94

Flow of electric charge per unit time

Front 95

How does area affect resistance

Back 95

increased area decreases resistance.

Front 96

How does length affect resistance?

Back 96

Increased length increases resistance

Front 97

What will the voltage tell me?

Back 97

The electrical potential difference between two points.

Front 98

In a parallel circuit, Current can choose a path based on resistivity so what is the total current of the system?

Back 98

Add I1 + I2 + I3..

Front 99

In a parallel circuit what is the relationship between more resistors and equivalent resistance?

Back 99

Equivalent resistance drops

Front 100

How is the total current changed as equivalent resistance decreases?

Back 100

Total current increases.

Front 101

Why is the total voltage drop equal across the entire parallel circuit?

Back 101

charge can only choose one resistor to flow through.

Front 102

Explain the relationship between resistance and current?

Back 102

The resistor with the greatest resistance will experience the lowest current.

Front 103

What is going to be the voltage drop at each resistor?

Back 103

The voltage supplied by the battery. At each resistor it will drop this amount. Evidence is ohms law.

Front 104

What is the voltage drop of a 12 V battery in a parallel circuit?

Back 104

12 V at each resistor.

Front 105

What is electric potential?

Back 105

electric potential energy per unit charge

Front 106

If you see Joules/Columb you should think of?

Back 106

electric potential energy aka voltage.