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Study sets matching "oxidation"

9 terms
Oxides
Oxides are...?
Metal Oxides
Non-metal Oxides
Acidic Oxide
Compounds of Oxygen
Ionic compound... Metal ion and Oxide ion... - Basic Oxide... - Amphot…
Covalent compound... Non-metal and Oxide ion... - Acidic Oxide... - Ne…
Non-metal oxide that is often a gas at rtp... Most dissolve in w…
Oxides are...?
Compounds of Oxygen
Metal Oxides
Ionic compound... Metal ion and Oxide ion... - Basic Oxide... - Amphot…
9 terms
Oxides
Simple Oxides
Periclase
Wustite
Ice
Periclase (MgO) and Wustite (FeO), both rocksalt structure
found in marble made by metamorphism of dolomitic limestones/…
found with meteorites and native iron//... never stoichiometric:…
H2O, hexagonal crystal structure
Simple Oxides
Periclase (MgO) and Wustite (FeO), both rocksalt structure
Periclase
found in marble made by metamorphism of dolomitic limestones/…
10 terms
Oxides
Na₂O
MgO
SO₂
SO₃
Sodium oxide
Magnesium oxide
Sulfur dioxide
Sulfur trioxide
Na₂O
Sodium oxide
MgO
Magnesium oxide
19 terms
Oxides
oxide
H₂O
BeO
Al₂O₃
X₂O₂
water/hydrogen oxide
berylium oxide
aluminium oxide
oxide
X₂O₂
H₂O
water/hydrogen oxide
oxides
cuprite
single metal structures?
multiple oxides?
class: about?
isometric Cu2O
XO, XO2 X2O X2O3
XY2O4... X- divalent cat... Y-trivalent cat
oxides and oxyhydroxides... non-silicate minerals having O or O…
cuprite
isometric Cu2O
single metal structures?
XO, XO2 X2O X2O3
Oxide
CO₂
CO
SO₂
SO₃
Kohlendioxid
Kohlenmonoxid
Schwefeldioxid
Schwefeltrioxid
CO₂
Kohlendioxid
CO
Kohlenmonoxid
9 terms
Oxides
Corundum
Hematite
Ilmenite
Rutile
Al2O3
Fe2O3
FeTiO3
TiO2
Corundum
Al2O3
Hematite
Fe2O3
19 terms
Oxides
Which oxides are basic
Which oxide is amphoteric
Which oxide is covalent
Which oxides has SMS
Na2O MgO
Al2O3
SiO2 has giant molecular structure and is acidic
P4O10, SO3, Cl2O7... Acidic
Which oxides are basic
Na2O MgO
Which oxide is amphoteric
Al2O3
9 terms
Oxidation and Reduction
Oxidation
Reduction
Reducing Agent
Oxidising agent
= gain of oxygen or loss of electrons
= loss of oxygen or gain of electrons
= Reductant = this is the species that is oxidised and causin…
= Oxidant = this is the species that is reduced and causes th…
Oxidation
= gain of oxygen or loss of electrons
Reduction
= loss of oxygen or gain of electrons
7 terms
Oxidation - reduction
Oxidation
Reduction
Oxidising agent
Reducing agent
Oxidation is the loss of electrons during a reaction by a mol…
Reduction is the gain of electrons during a reaction by a mol…
In chemistry, an oxidising agent (oxidant, oxidizer) is a sub…
A reducing agent (also called a reductant or reducer) is an e…
Oxidation
Oxidation is the loss of electrons during a reaction by a mol…
Reduction
Reduction is the gain of electrons during a reaction by a mol…
26 terms
Oxidation/Reduction
oxidation
reduction
LEO says GER
OIL RIG
- loss of electrons... - gain of oxygen... - ex. Na (s) -> Na+ + e-
- gain of electrons... - loss of oxygen... - ex. Ag+ + e- -> Ag
Losing Electrons Oxidation... Gaining Electrons Redu…
Oxidation Is Losing... Reduction Is Gaining
oxidation
- loss of electrons... - gain of oxygen... - ex. Na (s) -> Na+ + e-
reduction
- gain of electrons... - loss of oxygen... - ex. Ag+ + e- -> Ag
13 terms
Oxidation Numbers
Ferrous ion
ferric ion
cuprous ion
cupric ion
iron (II)
iron (III)
copper (I)
copper (II)
Ferrous ion
iron (II)
ferric ion
iron (III)
11 terms
Oxidation and Reduction
redox
oxidation
reduction
OILRIG
general term for reactions or processes involving oxidation a…
Definition 1: species gaining oxygen or losing hydrogen... Defin…
Definition 1: species losing oxygen or gaining hydrogen... Defin…
Way to remember the electron definition of redox - Oxidation…
redox
general term for reactions or processes involving oxidation a…
oxidation
Definition 1: species gaining oxygen or losing hydrogen... Defin…
72 terms
Beta Oxidation
During lipid digestion, which compenen…
Which enzyme attacks the emulsified fat?
What are produced from the breakdown o…
Which protein provides assistance to p…
Bile salts, ... lecithin, ... and cholesterol
Pancreatic lipase
Free fatty acids and a monoglyceride
Colipase... binds to surface of lipid droplet
During lipid digestion, which compenen…
Bile salts, ... lecithin, ... and cholesterol
Which enzyme attacks the emulsified fat?
Pancreatic lipase
50 terms
Beta Oxidation
Oxidation of Fatty Acids is a Major En…
The advantage of fats over polysacchar…
Glucose and glycogen are for short-ter…
Triacylglycerols
About one third of our energy needs comes from dietary triacy…
Fatty acids carry more energy per carbon because they are mor…
Fats are for long term energy needs (months), good storage, s…
Hydrolyzed to glycerol and fatty acids (3) by lipases... Glycero…
Oxidation of Fatty Acids is a Major En…
About one third of our energy needs comes from dietary triacy…
The advantage of fats over polysacchar…
Fatty acids carry more energy per carbon because they are mor…
12 terms
Oxidation & Reduktion
Oxidation
Reduktion
Redox-Reaktion
Oxid
...ist ein (chem.) Vorgang, bei dem sich ein Stoff mit Sauers…
...ist ein (chem.) Vorgang, bei dem Sauerstoff entzogen wird.
Oxidation und Reduktion finden immer gleichzeitig statt.
Produkt einer Oxidation
Oxidation
...ist ein (chem.) Vorgang, bei dem sich ein Stoff mit Sauers…
Reduktion
...ist ein (chem.) Vorgang, bei dem Sauerstoff entzogen wird.
16 terms
Oxidation Numbers
What is the first oxidation number rul…
What is the second oxidation number ru…
What is the third oxidation number rul…
What is the fourth oxidation number ru…
The Free Element Rule
The Ion Rule
The Specific Oxidation Number Rule
The Zero Sum Rule
What is the first oxidation number rul…
The Free Element Rule
What is the second oxidation number ru…
The Ion Rule
30 terms
Oxidation Numbers
What is the oxidation number of oxygen…
What must the oxidation number of carb…
What is the oxidation number of hydrog…
What is oxygen's oxidation number in H…
-2
+4
+1
-2
What is the oxidation number of oxygen…
-2
What must the oxidation number of carb…
+4
46 terms
Oxidation Quiz
+3
-1
-1
+1
Aluminum (Al)
Fluorine (F)
Chlorine (Cl)
Sodium (Na)
+3
Aluminum (Al)
-1
Fluorine (F)
13 terms
11. Oxidation-Reduction Reactions
Reactions that involve the transfer of…
The law of conservation of charge stat…
Oxidation numbers... are assigned to atom…
KEY CONCEPT 1
oxidation-reduction (redox) reactions.
Note that biochemical redox reagents such as NAD tend to act…
1. The oxidation number of a free element is zero. For exampl…
The conventions of formula writing put cation first and anion…
Reactions that involve the transfer of…
oxidation-reduction (redox) reactions.
The law of conservation of charge stat…
Note that biochemical redox reagents such as NAD tend to act…
8 terms
oxidation states
alkali metals
alkali earth metals
fluorine
hydrogen
+1
+2
-1
+1
alkali metals
+1
alkali earth metals
+2
26 terms
Oxidation numbers
+2
+6
-2
+3
oxidation no of Cu in CuSO₄
oxidation no of S in CuSO₄
oxidation no of O in CuSO₄
oxidation no of Fe in FeCl₃
+2
oxidation no of Cu in CuSO₄
+6
oxidation no of S in CuSO₄
14 terms
Oxidation Numbers
Element in Free State
Monatomic ion
Group I metals
Group II metals
0
it's charge
+1
+2
Element in Free State
0
Monatomic ion
it's charge
29 terms
Oxidation States
+2
-1
+2
+3
What is the oxidation state of Fe in FeCl₂ ?
What is the oxidation state of Cl in NaCl ?
What is the oxidation state of Ca in CaO ?
What is the oxidation state of N in N₂O₃ ?
+2
What is the oxidation state of Fe in FeCl₂ ?
-1
What is the oxidation state of Cl in NaCl ?
30 terms
Oxidation Numbers
17th-18th century
Leviathan Published
1688
1689
Age of Enlightenment
1651
Glorious Revolution
Two Treatise of Government
17th-18th century
Age of Enlightenment
Leviathan Published
1651
25 terms
Oxidation States
+2
-1
+2
+3
What is the oxidation state of Fe in FeCl₂ ?
What is the oxidation state of Cl in NaCl ?
What is the oxidation state of Ca in CaO ?
What is the oxidation state of N in N₂O₃ ?
+2
What is the oxidation state of Fe in FeCl₂ ?
-1
What is the oxidation state of Cl in NaCl ?
23 terms
beta oxidation
steps of beta oxidation
B ox enzymes
Conversion of propionyl coA to Succiny…
First step difference in peroxisomal B…
Acyl CoA... Trans delta2 enoyl CoA ... L-B-hydroxyacyl CoA... B-ketoac…
Acyl CoA dehydrogenase... enoyl coA hydratase... 3-L hydroxyacyl de…
methylmalonyl CoA intermediate ... catalyzed by carboxylase (use…
acyl CoA oxidase... 2H + FADH2 to O2 producing H2O2... following st…
steps of beta oxidation
Acyl CoA... Trans delta2 enoyl CoA ... L-B-hydroxyacyl CoA... B-ketoac…
B ox enzymes
Acyl CoA dehydrogenase... enoyl coA hydratase... 3-L hydroxyacyl de…
6 terms
Oxidation Numbers
Free Element
Most elements in compounds follow patt…
Important exceptions
Three or more elements
Rule 1: Elements that have an oxidation number of 0. For exam…
Rule 2:
Rule 3: Hydrides - H + Metals / Peroxide - Pairs of oxygen th…
Rule 4: The middle element balances
Free Element
Rule 1: Elements that have an oxidation number of 0. For exam…
Most elements in compounds follow patt…
Rule 2:
12 terms
Oxidation State?
Ag: 0
Ag: +1
Ca: +2, F: -1
H: +1, S: -2
Ag
Ag+
Ag: 0
Ag
Ag: +1
Ag+
11 terms
Oxidation Rules
Elements
Monatomic Ions
Hydrogen
Metal Hydrides
0
charge on ion
usually +1
-1 eg. NaH
Elements
0
Monatomic Ions
charge on ion
9 terms
Oxidation states
Cr
Co
Cu
Au
2 3
2 3
1 2
1 3
Cr
2 3
Co
2 3
8 terms
Oxidation Numbers
Silver
Zinc
Aluminum
Column 1
+1
+2
+3
+1
Silver
+1
Zinc
+2
26 terms
oxidation numbers
+2
+6
-2
+3
oxidation no of Cu in CuSO₄
oxidation no of S in CuSO₄
oxidation no of O in CuSO₄
oxidation no of Fe in FeCl₃
+2
oxidation no of Cu in CuSO₄
+6
oxidation no of S in CuSO₄
26 terms
Oxidation/Reduction
oxidation
reduction
LEO says GER
OIL RIG
- loss of electrons... - gain of oxygen... - ex. Na (s) -> Na+ + e-
- gain of electrons... - loss of oxygen... - ex. Ag+ + e- -> Ag
Losing Electrons Oxidation... Gaining Electrons Redu…
Oxidation Is Losing... Reduction Is Gaining
oxidation
- loss of electrons... - gain of oxygen... - ex. Na (s) -> Na+ + e-
reduction
- gain of electrons... - loss of oxygen... - ex. Ag+ + e- -> Ag
8 terms
Beta oxidation
Odd # fatty acids
Acetyl Coa... Propionyl Coa
oxidation of Propionyl-CoA
step 1 of oxid. of Propionyl-CoA
Are oxidized in the same pathway as even # acids
The final products of beta oxid. Of odd # fatty acids. When f…
propionyl-CoA -> D-methylmalonyl- CoA ... ATP + HCO3- + biotin…
Odd # fatty acids
Are oxidized in the same pathway as even # acids
Acetyl Coa... Propionyl Coa
The final products of beta oxid. Of odd # fatty acids. When f…
11 terms
oxidation numbers
Calcium
Carbon
Cs
Sulfur
+2
+2 or +4
+1
-2
Calcium
+2
Carbon
+2 or +4
13 terms
Oxidation Number
Oxidation Number
Oxidation
Reduction
Rules for Oxidation Numbers
positive or negative number assigned to an atom to indicate i…
loss of electrons
gain of electrons... (gaining electric charge --> reducing oxida…
assign oxidation # above element
Oxidation Number
positive or negative number assigned to an atom to indicate i…
Oxidation
loss of electrons
8 terms
oxidation numbers
group 1
group 2
Group 13
Group 14
+1
+2
+3
+4 or -4
group 1
+1
group 2
+2
65 terms
oxidation numbers
ammonium
acetate
chlorate
chlorite
NH4+
ammonium
NH4+
acetate
21 terms
oxidation susceptibility
phenol
aniline
pyrrole
furan
very susceptible
very susceptible
very susceptible
very susceptible
phenol
very susceptible
aniline
very susceptible
11 terms
oxidation reactions
oxidizing agents
Alcohols
PCC
Alkenes + Oxidizing Agent
Product has MORE bonds to Oxygen ... End in a Carbonyl product…
only 1 and 2 ... 3 ends w/ too many bonds to the Carbonyl carbon
will take a 1 alcohol to an Aldehyde only... Tollens reagent in…
end in 2 carbonyl products
oxidizing agents
Product has MORE bonds to Oxygen ... End in a Carbonyl product…
Alcohols
only 1 and 2 ... 3 ends w/ too many bonds to the Carbonyl carbon
13 terms
oxidation number
O
He
Li
Br
2-
0
1+
1-
O
2-
He
0
10 terms
Reduction-Oxidation
Basic Notes
LEO
GER
Determining Spontaneity
Simultaneous... Due to competition for e⁻... Never in double replac…
lose electrons oxidation
gain electrons reduction
Use Table J... If LEO is higher up than GER, reaction is spontan…
Basic Notes
Simultaneous... Due to competition for e⁻... Never in double replac…
LEO
lose electrons oxidation
13 terms
Pyruvate Oxidation
Oxidation of pyruvate
Glycolysis
acetyl-CoA
Pyruvate dehydrogenase
In the presence of oxygen, the first step of oxidative respir…
Pyruvate still contains considerable stored energy at the end…
The first step is to oxidize pyruvate to form?
When pyruvate is oxidized, a single of its three carbons is c…
Oxidation of pyruvate
In the presence of oxygen, the first step of oxidative respir…
Glycolysis
Pyruvate still contains considerable stored energy at the end…
14 terms
beta oxidation
beta oxidation
beta oxidation regulation
after beta oxidation
fasting state (blood/adipose tissue)
breaking down of long chain fatty acids for energy ... -energy i…
malonyl CoA from fatty acid synthesis ... -high levels inhibit c…
two pathways for energy production from fatty acids... -Krebs cy…
-the blood has low glucose levels... -in adipose tissue, lipolys…
beta oxidation
breaking down of long chain fatty acids for energy ... -energy i…
beta oxidation regulation
malonyl CoA from fatty acid synthesis ... -high levels inhibit c…
5 terms
2- Oxidation #
Carbonate 2-
Sulfate 2-
Sulfite 2-
Selenate 2-
CO3
SO4
SO3
SeO4
Carbonate 2-
CO3
Sulfate 2-
SO4
43 terms
Pyruvate Oxidation & Oxidative Phosphorylation
Four Fates of Pyruvate
Acetyl CoA
Pyruvate Dehydrogenase Complex (PDC)
Pyruvate Dehydrogenase Kinase (PDH Kin…
1. Electron acceptor in anaerobic glycolysis (formation of la…
Can be formed by metabolism of pyruvate (in mito matrix), som…
Synthesizes acetyl CoA from pyruvate... Large multi-enzyme compl…
Phosphorylates PDH→inactivation... Activated by NADH, ATP, acety…
Four Fates of Pyruvate
1. Electron acceptor in anaerobic glycolysis (formation of la…
Acetyl CoA
Can be formed by metabolism of pyruvate (in mito matrix), som…
11 terms
Oxidation States
Silver
Cobalt
Chromium
Copper
+1
+2, +3
+2, +3
+1, +2
Silver
+1
Cobalt
+2, +3
23 terms
Oxidation Reactions:
Define oxidation in three ways:
Define reduction in three ways:
Covalent oxidation rule (2 rules):
Oxygen's oxidation state (2):
1. Loss of electrons.... 2. Gain of oxygen.... 3. Loss of hydrogen.
1. Gain of electrons.... 2. Loss of oxygen.... 3. Gain of hydrogen.
1. More electronegative= negative state.... 2. Less electronegat…
1. Normally= -2.... 2. Peroxides= -1.
Define oxidation in three ways:
1. Loss of electrons.... 2. Gain of oxygen.... 3. Loss of hydrogen.
Define reduction in three ways:
1. Gain of electrons.... 2. Loss of oxygen.... 3. Gain of hydrogen.
14 terms
Beta Oxidation
Palmitoyl-CoA
Trans-Δ2-enoyl-CoA
L-β-hydroxy-acyl-CoA
β-ketoacyl CoA
Palmitoyl-CoA
Trans-Δ2-enoyl-CoA
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