Unit One Conversion Factors

Question 0

Ratio of cm to inches

Answer 0

2.54cm/in

Question 1

Formula for calculating kelvins

Answer 1

K = C + 273.15

Question 2

Ratio of feet to miles

Answer 2

5280ft/mi

Question 3

Ratio of inches to ft

Answer 3

12in/ft

Question 4

Ratio of feet to yards

Answer 4

3ft/yard

Question 5

An angstrom = ____ m

Answer 5

10^-10

Question 6

Ratio of oz to lbs

Answer 6

16oz/lb

Question 7

Ratio of joules to calorie

Answer 7

4.184J/cal

Question 8

Ratio of torr/mm Hg to atmosphere

Answer 8

760torr/atmosphere

Question 9

Ratio of Pa(pascals) to atmosphere

Answer 9

101325Pa/atm

Question 10

Ratio of units to moles

Answer 10

6.022x10^23units/mop

Question 11

Possible R constant values

Answer 11

R=.08206atmL/molK

R=8.314J/Kmol

Question 12

Plancks constant

Answer 12

h=6.626x10^-34Js

Question 13

Speed of light

Answer 13

c=3.00x10^8m/s

Question 14

base SI unit for length

Answer 14

Meter (m)

Question 15

base SI unit for mass

Answer 15

Kilogram (kg)

Question 16

base SI unit for time

Answer 16

Second (s)

Question 17

base SI unit for electric current

Answer 17

Ampere (A)

Question 18

base SI unit for temperature

Answer 18

Kelvin (K)

Question 19

base SI unit for amount of substance

Answer 19

Mole (mol)

Question 20

base SI unit for luminous intensity

Answer 20

Candela (cd)

Question 21

Give the symbol and meaning for Tera

Answer 21

T 10^12

Question 22

Give the symbol and meaning for Giga

Answer 22

G 10^9

Question 23

Give the symbol and meaning for Mega

Answer 23

M 10^6

Question 24

Give the symbol and meaning for kilo

Answer 24

k 10^3

Question 25

Give the symbol and meaning for deco

Answer 25

d 10^-1

Question 26

Give the symbol and meaning for cent i

Answer 26

c 10^-2

Question 27

Give the symbol and meaning for milli

Answer 27

m 10^-3

Question 28

Give the symbol and meaning for micro

Answer 28

u 10^-6

Question 29

Give the symbol and meaning for bano

Answer 29

n 10^-9

Question 30

Give the symbol and meaning for pick

Answer 30

p 10^-12

Question 31

Equation for density

Answer 31

D=m/v | Mass in grams volume in either mL or cm cubed

Question 32

What makes the most stable isotope

Answer 32

Even protons and neutrons but better even neutrons

Question 33

What are the magic numbers

Answer 33

2,8,20,50,82,126

Question 34

Alkali metals are in group

Answer 34

1A

Question 35

Alkaline earth metals are in group

Answer 35

2A

Question 36

Transitions metals are in groups

Answer 36

3B-8B

Question 37

Chalcogens are in group

Answer 37

6A

Question 38

Halogens are in group

Answer 38

7A

Question 39

Noble gases are in group

Answer 39

8A

Question 40

Equation for kinetic energy

Answer 40

E = 1/2mu^2 Velocity in meters per second Mass in kg

Question 41

Equation that relates frequency wavelength and the speed of light

Answer 41

C=wv Wavelength in meters Frequency in reciprocal seconds Speed of light is 3.00x10^8m/s

Question 42

The equation for the energy of a single quantum

Answer 42

E = hv H is plancks constant Js Frequency is reciprocal seconds energy is joules