Chapter 1

Question 1

Equation to convert C (Celsius) to K (Kelvin)

Answer 1

K = C + 273.15

Question 2

Equation to convert F (Fahrenheit) to C

Answer 2

C = (F - 32F) x 5C/9F

Question 3

Equation for density

Answer 3

d=m/v

Question 4

Physical property

Answer 4

A property that can be observed without changing the identity of the substance

Ex. - Color

  - Melting point
  - Density

Question 5

Physical change

Answer 5

In which the state of matter changes, but the identity of the matter does not change.

Question 6

Chemical property

Answer 6

Traits of how a product is changed through chemical means

Ex. “Hydrogen gas burns in Oxygen gas to form water”

Question 7

Kilo (k)

Answer 7

10^3

Question 8

Deci (d)

Answer 8

10^-1

Question 9

Centi (c)

Answer 9

10^-2

Question 10

Milli (m)

Answer 10

10^-3

Question 11

Micro (weird “u”)

Answer 11

10^-6

Question 12

Nano (n)

Answer 12

10^-9

Question 13

Pico (p)

Answer 13

10^-12

Question 14

All nonzero digits are significant

Answer 14

2.055 and .0047

Question 15

Zeros between two numbers are significant

Answer 15

1.0206 and 4670.1

Question 16

Zeros after a decimal point are significant

Answer 16

39.0 and 6.700

Question 17

Zeros left of the first nonzero number are NOT significant

Answer 17

0.000028 (has two sig figs, 2 and 8)

Question 18

If the number is written in scientific notation, only consider the decimal part of the number

Answer 18

1.050 x 10^3 (has 4 sig figs, all numbers are significant)

Question 19

Mega (M)

Answer 19

10^6

Question 20

Giga (G)

Answer 20

10^9

Question 21

Tera (T)

Answer 21

10^12

Question 22

Peta (P)

Answer 22

10^15