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Study sets matching "redox"

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Study sets matching "redox"

65 terms
Redox
∙loss of electrons... ∙increase in oxidat…
∙gain of electrons... ∙decrease in oxidat…
direction of flow of electron current…
- , - // - , -... order of species written
oxidation
reduction
fron anode to cathode
R, O //O, R
∙loss of electrons... ∙increase in oxidat…
oxidation
∙gain of electrons... ∙decrease in oxidat…
reduction
65 terms
Redox
∙loss of electrons... ∙increase in oxidat…
∙gain of electrons... ∙decrease in oxidat…
direction of flow of electron current…
- , - // - , -... order of species written
oxidation
reduction
fron anode to cathode
R, O //O, R
∙loss of electrons... ∙increase in oxidat…
oxidation
∙gain of electrons... ∙decrease in oxidat…
reduction
19 terms
Redox
Reduction
Oxidation
Oxidation Numbers
Oxidizing Agent
The gain of electrons
The loss of electrons
Indicates the number of electrons lost, gained, or shared as…
Accepts electrons and becomes reduced.
Reduction
The gain of electrons
Oxidation
The loss of electrons
13 terms
Redox
Redox reaction
Oxidation
Reduction
LEO says GER
has two parts, a reduction and oxidation
-the loss of electrons... -the particle that loses electrons is…
-the gain of electrons... -the particle that gains electrons is…
Loses ... Electrons... Oxidation... Gains... Electrons... Reduction
Redox reaction
has two parts, a reduction and oxidation
Oxidation
-the loss of electrons... -the particle that loses electrons is…
13 terms
Redox
anode
cathode
electrochemical cell
electrode
the electrode where oxidation occurs
the electrode at which reduction occurs
any device that converts chemical energy into electrical ener…
metal piece where reduction or oxidation takes place
anode
the electrode where oxidation occurs
cathode
the electrode at which reduction occurs
8 terms
Redox
redox reaction
oxidation
reduction
metal
type of reaction which involves movement between the reactant…
loss of electrons
gain of electrons
elements that always tend to lose electrons and form positive…
redox reaction
type of reaction which involves movement between the reactant…
oxidation
loss of electrons
31 terms
Redox
∙loss of electrons... ∙increase in oxidat…
∙gain of electrons... ∙decrease in oxidat…
direction of flow of electron current…
suitable salt for making salt bridge //
oxidation
reduction
fron anode to cathode
potassium nitrate
∙loss of electrons... ∙increase in oxidat…
oxidation
∙gain of electrons... ∙decrease in oxidat…
reduction
10 terms
Redox
Anode
Cathode
Electrolysis
Oxidation
Where oxidation takes place. In electrolysis, it is the + ele…
Where reduction takes place. In electrolysis, it is the - ele…
Passage of electric current through an electrolyte. Amount of…
The loss of electrons
Anode
Where oxidation takes place. In electrolysis, it is the + ele…
Cathode
Where reduction takes place. In electrolysis, it is the - ele…
48 terms
REDOX
oxidizing agent
metal reactivity series
reducing agent
be specific about species
something which causes another species to be oxidized... AN ELEC…
Li K Ba Ca Na Mg Al C Zn Fe Ni Sn Pb H Cu Hg Ag Au Pt
something which causes another species to be reduced... AN ELECT…
e.g. Br2 is bromine... Cl- is chloride... MnO4- can be a - agent
oxidizing agent
something which causes another species to be oxidized... AN ELEC…
metal reactivity series
Li K Ba Ca Na Mg Al C Zn Fe Ni Sn Pb H Cu Hg Ag Au Pt
Redox
Kohlenstoffmonoxid
Kohlenstoffdioxid
Eisen-III-oxid
Oxidationsmittel
Reduktionsmitttel im Hochofen
Produkt der Redoxreaktion im Hochofen
Ausgangsstoff des Hochofenprozesses
nimmt Elektronen auf
Kohlenstoffmonoxid
Reduktionsmitttel im Hochofen
Kohlenstoffdioxid
Produkt der Redoxreaktion im Hochofen
26 terms
REDOX
oxidation
reduction
oxidation state
redox
loss of one or more electrons from a substance... e.g. 2Mg = 2Mg…
gain of one or more electrons... e.g. O2 + 4e = 2O 2-... GERC
indicator of the degree of oxidation (loss of electrons) of a…
(short for reduction/oxidation reaction) in which the oxidati…
oxidation
loss of one or more electrons from a substance... e.g. 2Mg = 2Mg…
reduction
gain of one or more electrons... e.g. O2 + 4e = 2O 2-... GERC
10 terms
Redox
Anode
Cathode
Electrolysis
Oxidation
Where oxidation takes place. In electrolysis, it is the + ele…
Where reduction takes place. In electrolysis, it is the - ele…
Passage of electric current through an electrolyte. Amount of…
The loss of electrons
Anode
Where oxidation takes place. In electrolysis, it is the + ele…
Cathode
Where reduction takes place. In electrolysis, it is the - ele…
REDOX
Oxidation number
Oxidation
Reduction
Oxidizing agent
A measure of the number of electrons that an atom uses to bon…
Is loss of electrons and an increase in oxidation number
Is gain of electrons and a decrease in oxidation number
Is a reagent that oxidizes another species (takes electrons)…
Oxidation number
A measure of the number of electrons that an atom uses to bon…
Oxidation
Is loss of electrons and an increase in oxidation number
16 terms
Redox
Oxidiation
Reduction
Oxidizing Agent
Reducing Agent
The lose of an electron... (eg. Mg --> Mg2+ + 2e-)
The gain of an electron... (eg. Cu2+ +2e- --> Cu)
The molecule that oxidizes another molecule and is therefore…
The molecule that reduced another molecule and is therefore i…
Oxidiation
The lose of an electron... (eg. Mg --> Mg2+ + 2e-)
Reduction
The gain of an electron... (eg. Cu2+ +2e- --> Cu)
9 terms
Redox
Oxidation
Reduction
Anode
Cathode
loss of electrons (+)
gain of electrons (-)
negative, releases electrons, oxidation
positive, accepts electrons, Redcution
Oxidation
loss of electrons (+)
Reduction
gain of electrons (-)
9 terms
Redox
Oxidation
Reduction
Conservation of Charge
Reducing Agent
Loss of electrons
Gain of electrons
The law that states that charges are neither created nor dest…
Donates electrons and becomes oxidized.
Oxidation
Loss of electrons
Reduction
Gain of electrons
12 terms
Redox
Oxidation
Oxidising agent
Reactivity
Redox Reaction
The loss of electrons.
A substance that readily oxidises other substances. It itself…
A measure of the readiness of a substance to gain or lose ele…
A reaction in which there is a transfer of electrons, i.e. re…
Oxidation
The loss of electrons.
Oxidising agent
A substance that readily oxidises other substances. It itself…
13 terms
Redox
Redox reaction
Oxidation
Reduction
LEO says GER
has two parts, a reduction and oxidation
-the loss of electrons... -the particle that loses electrons is…
-the gain of electrons... -the particle that gains electrons is…
Loses ... Electrons... Oxidation... Gains... Electrons... Reduction
Redox reaction
has two parts, a reduction and oxidation
Oxidation
-the loss of electrons... -the particle that loses electrons is…
6 terms
Redox
redox reaction
oxidation
reduction
reducing agent
type of reaction which involves movement between the reactant…
loss of electrons
gain of electrons
electron donor
redox reaction
type of reaction which involves movement between the reactant…
oxidation
loss of electrons
65 terms
Redox
∙loss of electrons... ∙increase in oxidat…
∙gain of electrons... ∙decrease in oxidat…
direction of flow of electron current…
- , - // - , -... order of species written
oxidation
reduction
fron anode to cathode
R, O //O, R
∙loss of electrons... ∙increase in oxidat…
oxidation
∙gain of electrons... ∙decrease in oxidat…
reduction
10 terms
Redox
Oxidation
Reduction
Oxidation
Reduction
gain oxgen
lose oxygen
increase in oxidation state
decrease in oxidation state
Oxidation
gain oxgen
Reduction
lose oxygen
10 terms
Redox
Oxidation
Reduction
Oxidation
Reduction
gain oxygen
lose oxygen
increase in oxidation number
decrease in oxidation number
Oxidation
gain oxygen
Reduction
lose oxygen
10 terms
Redox
- , - // - , -... order of species written
suitable salt for making salt bridge //
ReduCtion occurs at the
OxiAdation occurs at the
R, O //O, R
potassium nitrate
Cathode
Anode
- , - // - , -... order of species written
R, O //O, R
suitable salt for making salt bridge //
potassium nitrate
14 terms
REDOX
REDOX
Reduction
Oxidation
Reducing Agent
A chemical reaction where both reduction and oxidation proces…
A reaction in which a species gains electrons.
A reaction in which a species loses electrons.
Species that is oxidized, loses electrons, and causes reducti…
REDOX
A chemical reaction where both reduction and oxidation proces…
Reduction
A reaction in which a species gains electrons.
11 terms
Redox
Oxidation
Reduction
REDOX
Electron Transfer
the loss of electrons or an increase in oxidation state by a…
the gain of electrons or a decrease in oxidation state by a m…
a chemical reduction-oxidation reaction involving the transfe…
an electron relocates from an atom in a chemical compound
Oxidation
the loss of electrons or an increase in oxidation state by a…
Reduction
the gain of electrons or a decrease in oxidation state by a m…
15 terms
Redox
Oxidation
Reduction
Oxidation half-reaction
Reduction half-reaction
Loss of electrons, charge increases
Gain of electrons, charge is reduced
Electrons belong on the product side of the reaction
Electrons belong on the reactant side
Oxidation
Loss of electrons, charge increases
Reduction
Gain of electrons, charge is reduced
12 terms
Redox
Copper Metal... (Cu)... Brown solid
Suflur Dioxide Gas (SO2)... Colourless Gas
Manganese Ion ... (Mn 2+)... Colourless ion
Hydrogen Peroxide (H202)... Colourless li…
Copper Ions ... (Cu 2+)... Blue ion
Sulfate Ion ... (SO4 2-)... Colourless ion
Permanganate Ion (MnO4 -) ... Purple ion
Oxygen Gas ... (O2)... Colourless gas
Copper Metal... (Cu)... Brown solid
Copper Ions ... (Cu 2+)... Blue ion
Suflur Dioxide Gas (SO2)... Colourless Gas
Sulfate Ion ... (SO4 2-)... Colourless ion
21 terms
Redox
What does redox mean?
What type of reaction is never redox?
What happens when an atom is reduced?
What happens when an atom is oxidized?
reduction and oxidation
double replacement
gains electrons
loses electrons
What does redox mean?
reduction and oxidation
What type of reaction is never redox?
double replacement
15 terms
Redox
Oxidation Part
Reduction Part
Hydrogen
Oxygen
Electrons on right side (e-)
Electrons on left side (e-)
+1 w/ nonmetal, -1 w/ metal
-2 in compounds
Oxidation Part
Electrons on right side (e-)
Reduction Part
Electrons on left side (e-)
19 terms
Redox
Oxidation in terms of electrons is the
Reduction in terms of electrons is the
Reduction in terms of oxidation number…
Oxidation in terms of oxidation number…
loss of electrons
gain of electrons
decrease in oxidation number
increase in oxidation number
Oxidation in terms of electrons is the
loss of electrons
Reduction in terms of electrons is the
gain of electrons
43 terms
REDOX
Oxidation
reduction
what is the final electron acceptor
how do you remember where electrons go
losing electrons
gaining electrons
oxygen
OIL RIG
Oxidation
losing electrons
reduction
gaining electrons
8 terms
Redox
reduced (left)
reduced element (right)
oxidized (left)
oxidized element (right)
oxidation agent
reduction product
reducing agent
oxidation product
reduced (left)
oxidation agent
reduced element (right)
reduction product
9 terms
Redox
Oxidation
Reduction
Strong electrolytes (ionic)
Strong acids (7 strong electrolytes)
losses electrons
gains electrons
All
1. HCl... 2. HBr ... 3. HI... 4. HClO3... 5. HClO4... 6. HNO3... 7. H2SO4
Oxidation
losses electrons
Reduction
gains electrons
5 terms
redox
Oxidation
Reduction
Reducing agent
Oxidizing agent
the loss of electrons
the gain of electrons
chemical that reduces the other
chemical that oxidizes the other
Oxidation
the loss of electrons
Reduction
the gain of electrons
15 terms
Redox
elements by themselves ox no
combined hydrogen ox no
combined oxygen ox no
simple ions ox no
0
+1
-2
charge of ion
elements by themselves ox no
0
combined hydrogen ox no
+1
18 terms
Redox
oxidation
reduction
how they occur in relation to each other
reducing agent
the addition of oxygen or the removal of hydrogen from a comp…
the removal of oxygen or the addition of hydrogen to a compound
simultaneously
that which is oxidised
oxidation
the addition of oxygen or the removal of hydrogen from a comp…
reduction
the removal of oxygen or the addition of hydrogen to a compound
13 terms
Redox
Fe
Cu
Ag
Sn
2+ 3+
1+ 2+
1+
2+ 4+
Fe
2+ 3+
Cu
1+ 2+
9 terms
Redox
Oxidation
Reduction
Determining oxidation numbers ... Rule 1
Determining oxidation number ... Rule 2
In redox, oxidation is the lose of electrons ... E.g. Na-->Na+e-
Gain of electrons ... E.g. cl2+2e- --->Na+e-
The oxidation number of an atom in its elemental form is 0... E.…
The oxidation number of a simple ion is the charge on the ion…
Oxidation
In redox, oxidation is the lose of electrons ... E.g. Na-->Na+e-
Reduction
Gain of electrons ... E.g. cl2+2e- --->Na+e-
16 terms
Redox
Reduction is copied in the
Oxidation is copied in the
Reduction occurs at the
Oxidation occurs at the
Forward direction
Backwards direction
Cathode
Anode
Reduction is copied in the
Forward direction
Oxidation is copied in the
Backwards direction
12 terms
Redox
Electrochemical
Oxidation occurs in AN OX
Reduction occurs in RED CAT
Voltaic Cells
Chsmical rxn with a flow of e-
Anode
Cathode
Spontaneous redox, produces flow of e-, anode(-) cathode(+),…
Electrochemical
Chsmical rxn with a flow of e-
Oxidation occurs in AN OX
Anode
11 terms
redox
redox
oxidation
reduction
reducing agent
important type of chemical process is the oxidation-reduction…
loss of electrons (more positive)
gain of electrons (more negative)
supplies the electrons to make a molecule or atom more negative
redox
important type of chemical process is the oxidation-reduction…
oxidation
loss of electrons (more positive)
9 terms
Redox
Half-reaction
Oxidation
Oxidation number method
Oxidation - reduction reaction
One of two parts of a redox reaction- the oxidation half, whi…
The loss of electrons from the atoms of a substance; increase…
The technique that can be used to balance more difficult redo…
Any chemical reaction in which electrons are transferred from…
Half-reaction
One of two parts of a redox reaction- the oxidation half, whi…
Oxidation
The loss of electrons from the atoms of a substance; increase…
11 terms
Redox
Redox
Reduction Formula
Oxidation Formula
Oxidation properties
oxidation and reduction considered together as complementary…
oxidant + e- ---> product
reductant + e- ---> product
loss of hydrogen, loss of electrons, gain of oxygen, increase…
Redox
oxidation and reduction considered together as complementary…
Reduction Formula
oxidant + e- ---> product
13 terms
Redox
oxidation
reduction
oxidizing agent
reducing agent
Loss of electrons
Gain of electrons
Accepts electrons and becomes reduced.
Donates electrons and becomes oxidized
oxidation
Loss of electrons
reduction
Gain of electrons
8 terms
Redox
Oxidation
Oxidation
Oxidation
Oxidation
Gain of Oxygen
Loss of hydrogen
Loss of electrons
Increase in "positivity" of oxidation number
Oxidation
Gain of Oxygen
Oxidation
Loss of hydrogen
36 terms
Redox
0
Monatomic Ion
F
+1
A free element in its standard state has an oxidation number…
A ________ ____ has an oxidation number equal to its charge
_ has a -1 charge
A Group I element (excluding H) has a charge of __ (include +…
0
A free element in its standard state has an oxidation number…
Monatomic Ion
A ________ ____ has an oxidation number equal to its charge
23 terms
Redox
Oxidation
Reduction
Redox
Half equation
When a substance gains oxygen or looses electrons
When a substance has loss oxygen or gained electrons
Oxidation and reduction always take place together. So this i…
You can use half equations to show the electron transfer in a…
Oxidation
When a substance gains oxygen or looses electrons
Reduction
When a substance has loss oxygen or gained electrons
23 terms
Redox
Redox reactions
E- LOST Oxidation (e- lost, gain O2 )
E- GAIN Reduction (e- gained, lose O2)
reductant undergoes
transfer e-, 2 parts simultaneous, reductant oxidises while o…
reductant undergoes
oxidant undergoes
oxidant undergoes
Redox reactions
transfer e-, 2 parts simultaneous, reductant oxidises while o…
E- LOST Oxidation (e- lost, gain O2 )
reductant undergoes
11 terms
Redox
Oxidation
Reduction
Oxidizing agent
Reducing agent
The process by which a substance loses one or more electrons
The process by which a substance gains one or more electrons
Causes the oxidation of another substance by accepting electr…
Causes reduction by providing electrons to another substance
Oxidation
The process by which a substance loses one or more electrons
Reduction
The process by which a substance gains one or more electrons
16 terms
REDOX
Reduction-oxidation reactions
Volt
Voltaic cell
Electrochemical cell
Chemical reactions in which the reactants experience a change…
Electrical unit
Electrochemical cell in which an electric current is generate…
A device that combines two half-cells containing ionic soluti…
Reduction-oxidation reactions
Chemical reactions in which the reactants experience a change…
Volt
Electrical unit
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