experiment 1 Flashcards

1
Q

a measure of hydrogen ion concentration

A

pH

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

used to measure and identify whether a substance is an acid, base or neutral

A

pH scale

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

pH scale of neutral

A

7

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

pH scale of acid

A

0-6.9

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

pH scale of base

A

7.1-14

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

determining the pH of pharmaceuticals is important in determining their _________ and _________

A

activity and stability

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

refers to the quantity of solute that dissolves in a given amounts of solvent

A

solubility

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

the solubility of a solute depends on the:

A

nature of solute and solvent
amount of solute
temperature of the solvent

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

the determination of moisture/water content of pharmaceuticals and other products is on of the _______ methods that a medicinal chemist is required to make

A

quality control

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

used in the preparation of many materials and could be present as a combined constituent

A

water

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

an analytical procedure for qualitatively assessing or quantitatively measuring the presence and amount of a target quantity of a substance

A

assay

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

one of the techniques employed in assay procedures is ____________

A

volumetric analysis

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

this procedure involves the addition of a specific volume of a solution of known concentration to a solution of unknown concentration

A

volumetric analysis

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

H+ donor OH- donor

A

arrhenius theory

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

electron acceptor and donor

A

lewis

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

proton donor and accpetor

A

bronted-lowry

17
Q

sour taste

A

acid

18
Q

bitter taste

A

base

19
Q

litmus: blue to red

A

acid

20
Q

litmus: red to blue

A

base

21
Q

Feel slippery

A

base

22
Q

Phenolphthalein: Pink to violet

A

base

23
Q

Phenolphthalein: colorless

A

acids

24
Q

Methyl orange: pink/red

A

acid

25
Q

NaOH, KOH, Ca(OH)2

A

base

26
Q

solubility decreases with increase in temp (Mg citrate)

A

exothermic

27
Q

solubility increases with increase in temp

A

endothermic

28
Q

as temperature ________, solubility of gas _________

A

increases, decreases

29
Q

the solubility of a gas increases as pressure increases

A

henry’s law

30
Q

presence of salt decreases solubility

A

salting out

31
Q

presence of salt increases solubility

A

salting in

32
Q

how much water is in a product. It influences the physical properties of a substance, including weight, density, viscosity, conductivity, and others. It is generally determined by weight loss upon drying.

A

moisture content