Exam 1

Question 1

Nano

Answer 1

10^ -9

Question 2

Length

Answer 2

meter (m)

Question 3

Convert from Celsius to Fahrenheit

Answer 3

Tf= (9f/5c)+c+32f

Question 4

Quantitative

Answer 4

• numeric data
• measure with instrument
• melting point, boiling point, volume, mass

Question 5

Qualitative

Answer 5

• do not involve numerical information

- color, rapid boiling, white solid forms

Question 6

Amount of Substance

Answer 6

Mol

Question 7

Trailing zeros always count as significant when?

Answer 7

If # has a decimal point

Question 8

Time

Answer 8

seconds (s)

Question 9

Temperature

Answer 9

Kelvin (K)

Question 10

Luminous Intensity

Answer 10

Candela (cd)

Question 11

Convert from Fahrenheit to Celsius

Answer 11

C= 5/9(f-32)

Question 12

Convert to Kelvin

Answer 12

K= C + 273.15

Question 13

Mixture

Separated by ___ means

Examples

Answer 13

Physical

Salt water, coffee, kool aid

Question 14

2 types of mixture

Answer 14

Heterogenous, homogenous

Question 15

Electric Current

Answer 15

Ampere (A)

Question 16

All non-zero numbers are?

Answer 16

Significant

Question 17

Zeros between non-zero numbers are?

Answer 17

Significant

Question 18

Centi

Answer 18

10^ -2

Question 19

Micro

Answer 19

10^ -6

Question 20

Milli

Answer 20

10^ -3

Question 21

Intensive (Intrinsic) Properties

Answer 21

• Do not require a measure of sample size

- ex: color, density, boiling point, melting point, temp.

Question 22

Extensive (Extrinsic) Properties

Answer 22

• Depend on sample size

- ex: volume and mass and heat

Question 23

Final zeros on number without decimal point are?

Answer 23

Not significant

Question 24

Final zeros to right of decimal are?

Answer 24

Significant

Question 25

Leading zeros, to left of first on zero digit are?

Answer 25

Never counted as significant

Question 26

Kilo

Answer 26

10^ 3

Question 27

Mega

Answer 27

10^ 6

Question 28

Mass

Answer 28

kg