GC1: Chapter 1

Question 1

What are mixtures?

Answer 1

2 or more pure substances combined, 2 types: homogeneous & heterogeneous

Question 2

Homogeneous

Answer 2

Mixture is uniform throughout, includes solutions

Question 3

Heterogeneous

Answer 3

Mixture is not uniform completely

Question 4

Chemical properties

Answer 4

substances are involved in chemical reactions, changes substance

Question 5

Physical properties

Answer 5

Doesn’t change identity of substance,
boiling point and melting point

Question 6

Density

Answer 6

Acts as conversion factor between mass and volume

Question 7

Supersaturated solutions

Answer 7

homogeneous mixture, has more dissolved solute than max. amount at a given temperature

Question 8

how to make supersaturated solution

Answer 8

dissolve solute at elevated temp.
after all dissolved, cool it

Question 9

basic units of measurement/metric system (6)

Answer 9

length: m
mass: kg
time: sec
temp: kelvin
area: m^2
volume: m^3

Question 10

tera

Answer 10

T; 10^12

Question 11

giga

Answer 11

G; 10^9

Question 12

mega

Answer 12

M; 10^6

Question 13

kilo

Answer 13

k; 10^3

Question 14

hecto

Answer 14

h; 10^2

Question 15

deca

Answer 15

da; 10

Question 16

deci

Answer 16

d; 10^-1

Question 17

centi

Answer 17

c’ 10^-2

Question 18

mili

Answer 18

m; 10^-3

Question 19

micro

Answer 19

mu symbol; 10^-6

Question 20

nano

Answer 20

n; 10^-9

Question 21

pico

Answer 21

p; 10^-12

Question 22

femto

Answer 22

f; 10^-15

Question 23

Celsius to Kelvin

Answer 23

Tk = Tc + 273.15

Question 24

celsius to farenheit

Answer 24

F = 9/5C + 32

Question 25

farenheit to celsius

Answer 25

C = 5/9(F-32)