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PHYSICAL PHARMACY LEC > UNIT 1: Introduction (Density,SV,SG) > Flashcards

UNIT 1: Introduction (Density,SV,SG) Flashcards

1
Q

Branch of chemistry that deals with the physical and chemical properties and with the laws and properties of physical and chemical changes.

A

Physical Chemistry

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2
Q

Applications of the principles of physical chemistry in the practice of pharmacy.

A

Physical Pharmacy

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3
Q

It is the study of physico-chemical properties of a drug used in formulations.

A

Physical Pharmacy

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4
Q

Give the 3 Fundamental Dimensions or units.

A

CGS system
System International or SI unit
Reference Standards

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5
Q

A fundamental unit reacting each measurable quantity to some natural or artificial constant in the universe

A

Reference Standards

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6
Q

A mathematical operation, written as a”, involving two numbers, the base a and the exponent (or index or power) n.

A

Rules of exponent

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7
Q

When 10 is used as base, the log is known as the

A

Common or Briggsian log

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8
Q

Common and Brigssian log is by

A

Henry Briggs

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9
Q

The number 2.71828 (designated as e) used as the

A

Base for natural or Napieran log

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10
Q

Base for natural of Napleran log is by

A

John Napier

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11
Q

Expressed as the weight of the body, intrinsic property of the body that never changes.

A

Mass

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12
Q

The gravitational force acting on a given body.

A

Weight

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13
Q

Used in weighing

A

Balance

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14
Q

Standard masses are known as

A

Weights

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15
Q

Used for weighing loads from 120mg to 120g

A

Class A

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16
Q

Weighs loads of more than 648mg

A

Class B

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17
Q

Any influence that causes an object to undergo a certain change, either concerning its movement or direction

A

Force

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18
Q

The amount of force acting per unit area; given in atm, cm, or mmHg

A

Pressure

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19
Q

It is defined as the condition of a body that gives it the capacity to do work

A

Energy

20
Q

Energy classified as

A

Kinetic energy and Potential energy

21
Q

This are equivalent forms of energy and are interchangeable in certain circumstances

A

Heat and work

22
Q

The thermal unit of energy is

A

Gram-calorie (small calorie)

23
Q

A physical property of matter that quantitatively expresses the common notions of hot and cold

A

Temperature

24
Q

Celsius is by

A

Anders Celsius

25
Q

Fahrenheit is by

A

Daniel Gabriel Fahrenheit

26
Q

Kelvin is by

A

Lord Willian Thompson Kelvin

27
Q

Rankine is by

A

William John Macquorn Rankine

28
Q

How to convert into Kelvin?

A

°C + 273.15

29
Q

How to convert into Rankine?

A

°F + 459.67

30
Q

The measure of distance.

A

Length

31
Q

Standard meter was first measured with an interoferometer by

A

Albert Michelson

32
Q

BIPM stands for

A

Bureau International des Pois et Measures

33
Q

Common units of wavelength

A

yards, inches, hectare, feet

34
Q

Microscopic range of wavelengths

A

micrometer, micron, nanometer, Angstrom

35
Q

Quantity of three-dimensional spaces enclosed by a boundary

A

Volume

36
Q

Originally defined in terms of liter

A

Cubic meter

37
Q

Defined in a qualitative manner as the measure of the relative heaviness of objects with a constant volume

A

Density

38
Q

3 types of density

A

Absolute
Apparent
Relative

39
Q

Mass of an object determined in a vacuum at a specified temperature to the volume of the object at the same temperature

A

Absolute Density

40
Q

Mass of an object determined in air at a specified temperature to the volume of the object at the same temperature.

A

Apparent Density

41
Q

Indicates the mass of one mL of a standard substance such as water at 4°C

A

Relative Density

42
Q

The ratio of the density (mass of a unit volume) of a substance to the density of a given reference material.

A

Specific Gravity

43
Q

Types of Specific Gravity

A

Absolute
Apparent

44
Q

Ratio of the mass of a substance to the mass of equal völume of water taken as standard

A

Absolute specific gravity

45
Q

Ratio of the mass of an object in air to the mass of equal volume of water taken as standard at the same temperature.

A

Apparent specific gravity

PHYSICAL PHARMACY LEC (1 decks)

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