Chapter 17

Question 1

reduction

Answer 1

gains electrons

Question 2

oxidation

Answer 2

loses electrons

Question 3

reducing agent

Answer 3

species that is reduced in a redox reaction (responsible for partners oxidation)

Question 4

oxidizing agent

Answer 4

species that is oxidized in redox reaction (responsible for partners reduction)

Question 5

electrochemistry

Answer 5

branch of chem that looks at transformations between chemical and electrical energy

Question 6

redox reactions

Answer 6

sum of a reduction reaction and an oxidation reaction

Question 7

standard reduction potential

Answer 7

the potential of a half-reaction in which all reactants and products are their standard states at 25*

Question 8

the more positive the E is….

Answer 8

the greater the probability the reactant will be reduced (gains electrons)

Question 9

what is the oxidation number of a pure element?

Answer 9

0

Question 10

electrochemical cell

Answer 10

converts chemical energy into electrical worker electrical work into chemical energy

Question 11

background electrolyte

Answer 11

ions not involved neither half reaction

Question 12

anode

Answer 12

electrode at which oxidation takes place (-)

Question 13

cathode

Answer 13

electrode at which reduction takes place (+)

Question 14

cell diagram

Answer 14

symbols that show how the components of an electrochemical cell are connected

Question 15

the larger E is…

Answer 15

the more is wants to be reduced

Question 16

standard cell potential

Answer 16

measure of how forcefully an electrochemical cell can pump electrons through an external circuit

Question 17

E>0

Answer 17

spontaneous as written