EX 1

Question 1

a ratio, expressed decimally, of the weight of a substance to the weight of an equal volume of a substance chosen as a standard (water for liquids and solids; while hydrogen for gases).

Answer 1

SEPCIFIC GRAVITY

Question 2

standard for liquids & solids

Answer 2

WATER

Question 3

standard for gases

Answer 3

HYDROGEN

Question 4

Substances that have a specific gravity less than 1

Answer 4

LIGHTER THAN WATER

Question 5

substances that have a specific gravity greater than 1

Answer 5

HEAVIER THAN WATER

Question 6

standard temperature for specific gravities

Answer 6

25C

Question 7

standard temperature for alcohol

Answer 7

15.56C

Question 8

has various units of measure

Answer 8

DENSITY

Question 9

a special glass bottle used to determine specific gravity

Answer 9

PYCNOMETER

Question 10

pycnometers are generally available in what volumes

Answer 10

1mL - 50mL

Question 11

formula for sp. gr using pycnometer

Answer 11

weight of water - empty
weight of unknown - empty

unknown / water = sp gr

Question 12

calculating the specific gravity of a liquid determined by the displacement or plummet method is based on

Answer 12

ARCHIMEDES’ PRINCIPLE

Question 13

states that a body immersed in a liquid displaces an amount of the liquid equal to its own volume and suffers an apparent loss in weight equal to the weight of the displaced liquid.

Answer 13

ARCHIMEDES’ PRINCIPLE

Question 14

based on Archimedes’ principle, Calculating the specific gravity of a liquid determined by what method

Answer 14

DISPLACEMENT / PLUMMET METHOD

Question 15

a factor that expresses how much heavier or lighter a substance is than water

Answer 15

SPECIFIC GRAVITY

Question 16

Specific gravity is an important factor in

Answer 16

URINALYSIS

Question 17

specific gravity of urine

Answer 17

1.010 - 1.025

Question 18

presence of glucose in urine

Answer 18

GLUCOSURIA

Question 19

presence of protein in urine

Answer 19

PROTEINURIA

Question 20

A higher-than-normal specific gravity indicates that the urine is

Answer 20

CONCENTRATED

Question 21

HIGH OR LOW SP GR OF URINE

• The presence of excess waste products or electrolytes in the urine.
• The presence of glucose (glucosuria) or protein (proteinuria).
• Excessive water loss, decreased fluid intake, or other factors.

Answer 21

HIGHER THAN NORMAL

Question 22

A low specific gravity indicates that the urine is

Answer 22

DILUTE

Question 23

HIGH OR LOW SP GR

• Diabetes insipidus
• Renal disease (by virtue of the kidney’s reduced ability to concentrate urine).
• Increased fluid intake, intravenous hydration, or other factors.

Answer 23

LOW

Question 24

the kidney’s reduced ability to concentrate urine

Answer 24

RENAL DISEASE

Question 25

is a ratio, expressed decimally, of the **volume** of a substance to the volume of an **equal weight** of another substance taken as a **standard**, both having the **same temperature**.

Answer 25

SPECIFIC VOLUME

Question 26

a comparison of **weights** of **equal volumes**

Answer 26

SPECIFIC GRAVITY

Question 27

a comparison of **volumes** of **equal weights**

Answer 27

SPECIFIC VOLUME

Question 28

specific gravity and specific volume are

Answer 28

RECIPROCALS

Question 29

tells us how much **greater** (or **smaller**) in **volume** **a mass is** than the **same weight of water**

Answer 29

SPECIFIC VOLUME

Question 30

# in **SPECIFIC VOLUME**, a substance that is **heavier** than water will have a ____ **sp gr** and a ____ **specific volume**

Answer 30

HIGHER, LOWER

Question 31

# in **SPECIFIC VOLUME**, a substance that is **lighter** than water will have a ____ sp gr and a ____ specific volume

Answer 31

LIGHTER, HIGHER

Question 32

The specific volume of an alcohol is **1.22**, what is its specific gravity?

Answer 32

0.82

Question 33

According to **Archimedes’ principle** of displacement, if a body is **fully immersed** in a liquid, **how much liquid does it displace**?

Answer 33

An amount **equal** to the **volume of the body**

Question 34

Given that a substance has a specific volume of **1.40**, how does it compare to **water**?

Answer 34

LIGHTER THAN WATER

Question 35

What is the weight, in grams, of **2 fl. oz.** of a liquid having a specific gravity of **1.118**?

Answer 35

66.12