chapter 1

Question 1

theoretical vs actual yeild

Answer 1

theoretical yeild is the calculated yeild and is higher than actual

Question 2

radioisotope

Answer 2

unstable nucleous radioactive decay through nuclear reaction with a high ratio of protons to neutrons

Question 3

radiation
gamma
alpha
beta

Answer 3

Alpha-Helium ion nuclei 4 cm air, sheet of paper
beta-High speed electron 12 cm air, piece of aluminum
gamma-High energy electromagnetic ray 8 mm lead, 1 m concrete

Question 4

types of reactions

Answer 4

decomostition
synthesis
displacement
double displacement

Question 5

synthesis reactions

Answer 5

. Metal/Nonmetal + Oxygen → Metal/Nonmetal Oxide

2. Metal + Nonmetal → Binary Metal Salt (a solid)
3. Metal Oxide + Water → Metal Hydroxide (a base)
4. Nonmetal Oxide + Water → Oxyacid (an acid)
5. Metal Oxide + Nonmetal Oxide → Ternary Metal Salt

Question 6

nomenclature

Answer 6

*nomenclature

Question 7

base reaction- carbonates (CO3)

Answer 7

produce water and co2

Question 8

neutralization reaction

Answer 8

OH+H- h20+

Question 9

bases dissasociate- ionize

Answer 9

dissasociate

Question 10

acids dissasociate- ionize

Answer 10

ionize

Question 11

ionization vs dissasiciation

Answer 11

ionization
the seperation on neutral atoms to create ions- irreversible
dissasociation
seperation of existing ions- reversable

Question 12

chemical reaction signs

Answer 12

change in

colour smell energy flame gas precipitate

Question 13

titrant vs analyte

Answer 13

titrant is in the burret

analyte is in the flask

Question 14

how to calculate a titration

Answer 14

moles of reactant
mole ratio
moles/L

Question 15

WHY gas solubility _____ with increase in temp

Answer 15

increased energy in solute create gaps between particles that allow the gas to escape

Question 16

WHY solid solubility ______ with increase in tempurateure

Answer 16

increased energy makes bonds easier to break

Question 17

types of qualitative analysis

Answer 17

salt colour, colour, flame colour,solution colour

Question 18

avagadros number

Answer 18

6.02X10^23

Question 19

percent composition

Answer 19

total mass/moles

specific/ totalX100

Question 20

hyrdrophylic soap end

Answer 20

atracted to water- hydrogen bonding site

Question 21

hydrophobic tail

Answer 21

repels water- chain of ions

Question 22

STP

Answer 22

273KC- 101.325kps

Question 23

SATP

Answer 23

25c - 100kp

Question 24

STP- pressure units

Answer 24

1Atm- 760 Torr- 101.325 kps- 14.7Psi

Question 25

calculating empirical composition using percent composition

Answer 25

percent comp- mass-moles-formula (asume 100g when given percent)

Question 26

finding molecular formula with _____

Answer 26

empirical formula and molar mass | divide molar mass by empirical mass to find number of units ex 2 oh - H2O2

Question 27

conplete combustion produces

Answer 27

water and CO2

Question 28

incomplete comobustion produces

Answer 28

1C+1CO+1CO2+3H2O

Question 29

1-8 greek

Answer 29

``` mon di tri tetra penta hexa hepta octa nono deca ```

Question 30

halogen activity

Answer 30

``` higher replace lower F Cl Br I(odide) ```

Question 31

ticture

Answer 31

alcohol as solute

Question 32

high- low solubility

Answer 32

>100g 10-100g 1-10g

Question 33

Daltons law

Answer 33

combined volume - Vt=V1+V2 ect

Question 34

who made law of simple ratios

Answer 34

Dalton simple gas ratios - products and reactants are in simple whole ratios

Question 35

Avagadros law

Answer 35

equal volumes of any two gasses at equal temp and pressure will contain the same amount of moles/grams

Question 36

Charles law

Answer 36

volume and temp relation

Question 37

Boyles law

Answer 37

Volume and pressure relation

Question 38

Gay-Lusacs law

Answer 38

temp and pressure