chapter 8 and 9

Question 1

solution

Answer 1

homogeneous mixture of 2 or more substances

Question 2

Molarity

Answer 2

The amount of moles of a substance in a given liter

Question 3

if concentration is in molarity what is volume in

Answer 3

LITERS

Question 4

Strong electrolyte

Answer 4

when dissolved in water, conducts electricity well. Breaks down into ions

Question 5

Weak electrolyte

Answer 5

when dissolved into water. these conduct electricity weakly. low charge low conduction

Question 6

non electrolyte

Answer 6

dont conduct eletricity
does not dissociate into ions
ex sugar

Question 7

What are the 3 types of reactions we covered

Answer 7

precipitate
acid base
redux

Question 8

precipitate reactions

Answer 8

2 solutions combine to form a solid

Question 9

chemical equation

Answer 9

the normal equation you are thinking of

Question 10

complete ionic solution

Answer 10

this is the normal equation except rather than writing each compound, break each into ions and make a coeffiicient with their total numbers

Question 11

net ionic Equations

Answer 11

The ionic equation without the spectator ions

Question 12

spectator ions

Answer 12

the ions that do not change or engage in chemistry

Question 13

acid base reactions

Answer 13

the reactions of a proton/base and a hydroxide in order to form water, or something and water

Question 14

redox reactions

Answer 14

reaction in which one element is reduced and one is oxidized

transfer of one electron to another element

Question 15

oxidation state

Answer 15

the basic charge of each indevidual atom

Question 16

sum of oxidation states on an atom

Answer 16

charge of speciec

Question 17

oxidation

Answer 17

losing an electron

Question 18

reduction

Answer 18

gaining an electron

Question 19

oxidation state of an element or atom in its natural alone form

Answer 19

0

Question 20

alkali metals oxidation state

Answer 20

1+

Question 21

alkaline earthmetals oxidation state

Answer 21

+2

Question 22

Fleuronine oxidation state

Answer 22

-1

Question 23

hydrogen oxidation state

Answer 23

+1 CC

Question 24

Oxygen oxidation state

Answer 24

-2 CC

Question 25

Halogens oxidation state

Answer 25

-1

Question 26

chalogens oxidation state (o row)

Answer 26

-2

Question 27

pnictogens oxidation state (N row)

Answer 27

-3

Question 28

the most electronegative element will

Answer 28

have the negative oxidation state

Question 29

Thermochemistry

Answer 29

the study of the relationship between chemnistry and energy

Question 30

energy is

Answer 30

either the capacity to do work or heat

Question 31

work(omega)

Answer 31

a force applied acoss a given distance

coherent,directed

Question 32

heat(q)

Answer 32

the amount od energu that can be used to raise the temperature of an object some delta t

incoherent indiredt

Question 33

heat flows…

Answer 33

between objects in contact of different temps

Question 34

heat and work are ways in wich

Answer 34

eneergu is transfered between substances

Question 35

kinetic energy

Answer 35

the energy associated with motion

thermal energy that can be transfered as heat from one atom or molecule to another

Question 36

KE

Answer 36

1/2mv^2

Question 37

Potential energy

Answer 37

a function of position and composition

energy stored between bonds

Question 38

temp

Answer 38

the measure of the average KE of all of the molecules

Question 39

law of conservation of energuy

Answer 39

cant be created or destroyed

Question 40

1st law of thermodynamics

Answer 40

total energu of the universe is constant

Question 41

internal energu(E)

Answer 41

the sum of the KE and the PE

Question 42

state function

Answer 42

energy of a system only depends on state of the system not on how it came to be