VCAA Study Design - Chemistry Education Association
... • lack of awareness of the differences between discharging and recharging in terms of the direction of electron flow, and that electrons always move from the site of oxidation (anode) to the site of reduction (cathode) • inability to correctly explain the changes in the rates of the forward and reve ...
... • lack of awareness of the differences between discharging and recharging in terms of the direction of electron flow, and that electrons always move from the site of oxidation (anode) to the site of reduction (cathode) • inability to correctly explain the changes in the rates of the forward and reve ...
Oxidation-Reduction Processes in Natural Waters
... Organisms catalyze all significant redox reaction in natural waters. As illustrated in the table, with the exception of photosynthesis and hydrogen generation, all of the reactions in the table are thermodynamically favorable as written. That is, the reactions as written have a negative free energy. ...
... Organisms catalyze all significant redox reaction in natural waters. As illustrated in the table, with the exception of photosynthesis and hydrogen generation, all of the reactions in the table are thermodynamically favorable as written. That is, the reactions as written have a negative free energy. ...
Lab 1: Atomic Target Practice Rutherford Scattering and the Nuclear
... you had fired a 15-inch shell at a piece of tissue paper and it came back and hit you.” The experiment itself was actually the culmination of a series of experiments, carried out over a five-year period, dealing with the scattering of high-energy alpha particles by various substances. What is “Ruthe ...
... you had fired a 15-inch shell at a piece of tissue paper and it came back and hit you.” The experiment itself was actually the culmination of a series of experiments, carried out over a five-year period, dealing with the scattering of high-energy alpha particles by various substances. What is “Ruthe ...
atomic number
... completely wrong! Who am I? 4. I may be small, but I’m a lot heavier than those electrons.Maybe that’s why they orbit around me! What am I? 5. I’m using electrons to study what is inside protons. Who am I and where do I work? 6. I am one of these: a molecule, a proton, an electron, an atom or a nucl ...
... completely wrong! Who am I? 4. I may be small, but I’m a lot heavier than those electrons.Maybe that’s why they orbit around me! What am I? 5. I’m using electrons to study what is inside protons. Who am I and where do I work? 6. I am one of these: a molecule, a proton, an electron, an atom or a nucl ...
Acrobat - chemmybear.com
... MP eliminates the molecular substance, C10 H22 . They are describing a “covalent network solid.” A Vapor pressure certainly increases with increased temperature because more particles can escape. Surface tension (due to IMF’s) would be weakened if the particles had greater kinetic energy. D When the ...
... MP eliminates the molecular substance, C10 H22 . They are describing a “covalent network solid.” A Vapor pressure certainly increases with increased temperature because more particles can escape. Surface tension (due to IMF’s) would be weakened if the particles had greater kinetic energy. D When the ...
PHYSICAL CHEMISTRY ERT 108 Semester II 2010
... Standard Enthalpy of Formation Standard Enthalpy of Formation (or Standard Heat of Formation) of a pure substance at T is for the process in which 1 mol of the substance in its standard state at T is formed from the corresponding separated elements at T, each element being in its reference form. ...
... Standard Enthalpy of Formation Standard Enthalpy of Formation (or Standard Heat of Formation) of a pure substance at T is for the process in which 1 mol of the substance in its standard state at T is formed from the corresponding separated elements at T, each element being in its reference form. ...
Mole Intro - hrsbstaff.ednet.ns.ca
... a. 1.00 mol of ammonium chloride to formula units b. 2.5 mol of O3 to molecules c. 0.003 mol of cadmium to atoms 4. Make the following conversions: a. 200 x 1023 formula units of AgCl to moles b. 6.02 x 1025 atoms of nitrogen to moles c. 120.2 x 1015 molecules of H2 to moles 5. How many atoms are co ...
... a. 1.00 mol of ammonium chloride to formula units b. 2.5 mol of O3 to molecules c. 0.003 mol of cadmium to atoms 4. Make the following conversions: a. 200 x 1023 formula units of AgCl to moles b. 6.02 x 1025 atoms of nitrogen to moles c. 120.2 x 1015 molecules of H2 to moles 5. How many atoms are co ...
RedOx notes:
... Continue with elements picking their preferred charges (work from outside columns to the inner “valley of confusion”) until there is only one left; if the element is last to choose it must have the charge that makes everything else sum to zero. ...
... Continue with elements picking their preferred charges (work from outside columns to the inner “valley of confusion”) until there is only one left; if the element is last to choose it must have the charge that makes everything else sum to zero. ...
2 The Atom - Mr. Krohn 8th grade science
... Neutrons are particles in the nucleus of an atom that do not have an electric charge. A neutron has a little more mass than a proton does. However, the difference in mass is so small that the mass of a neutron can be thought of ...
... Neutrons are particles in the nucleus of an atom that do not have an electric charge. A neutron has a little more mass than a proton does. However, the difference in mass is so small that the mass of a neutron can be thought of ...
chapter2
... • In the written description, fluorine is said to have 9 protons and 10 neutrons (the mass number is the sum of the numbers of protons and neutrons). • In the symbol, the number 19 in written in the mass number or A (upper left) position. • Note: The periodic table does not show the mass number for ...
... • In the written description, fluorine is said to have 9 protons and 10 neutrons (the mass number is the sum of the numbers of protons and neutrons). • In the symbol, the number 19 in written in the mass number or A (upper left) position. • Note: The periodic table does not show the mass number for ...
Chemistry 11 – Course Review
... Element “X” is actually the real element ________________________________. Regions in space occupied by electrons are called ___________________________ Write the ground state electron configurations (eg. 1s2 2s2 2p6) for the following atoms or ions. You may use the core notation. a) ...
... Element “X” is actually the real element ________________________________. Regions in space occupied by electrons are called ___________________________ Write the ground state electron configurations (eg. 1s2 2s2 2p6) for the following atoms or ions. You may use the core notation. a) ...
REDOX EQUILIBRIA SL - chemistryatdulwich
... (b) 2NaCl (aq) + F2 (aq) 2NaF (aq) + CI2 (aq) (c) CuSO4 (aq) + Zn (s) ZnSO4 (aq) + Cu (s) (d) Cu(s) + 2AgNO3 (aq) → Cu(NO3)2 (aq) + 2Ag(s) (e) CuO (s) + H2 (g) Cu (s) + H2O (l) (f) 2Fe2+(aq) + I2(aq) 2Fe3+(aq) + 2I-(aq) (g) Sn2+ (aq) + 2Fe3+ (aq) Sn4+ (aq) + 2Fe2+ (aq) (h) 3I2(aq) + 3OH - ...
... (b) 2NaCl (aq) + F2 (aq) 2NaF (aq) + CI2 (aq) (c) CuSO4 (aq) + Zn (s) ZnSO4 (aq) + Cu (s) (d) Cu(s) + 2AgNO3 (aq) → Cu(NO3)2 (aq) + 2Ag(s) (e) CuO (s) + H2 (g) Cu (s) + H2O (l) (f) 2Fe2+(aq) + I2(aq) 2Fe3+(aq) + 2I-(aq) (g) Sn2+ (aq) + 2Fe3+ (aq) Sn4+ (aq) + 2Fe2+ (aq) (h) 3I2(aq) + 3OH - ...
Deans Community High School Intermediate 2 Revision Notes www
... As we have seen, reactions are more likely to take place when high concentrations, large surface areas and high temperatures are used. These factors increase the likelihood of collisions of the reactants, and the more energy that these collision have, the more likely it will be that these collisions ...
... As we have seen, reactions are more likely to take place when high concentrations, large surface areas and high temperatures are used. These factors increase the likelihood of collisions of the reactants, and the more energy that these collision have, the more likely it will be that these collisions ...
1b-Redox FIB notes and practice
... 1. The oxidation number of a monatomic ion is equal to the charge on the ion. Ie. The oxidation number of Br1- is ____, iron (III) has an oxidation number of __ Ex) Na3N(s) --> 3Na+(aq) + N3-(aq) 2. The oxidation number for metals in an ionic compound is just their ionic charge. Ie. The oxidation nu ...
... 1. The oxidation number of a monatomic ion is equal to the charge on the ion. Ie. The oxidation number of Br1- is ____, iron (III) has an oxidation number of __ Ex) Na3N(s) --> 3Na+(aq) + N3-(aq) 2. The oxidation number for metals in an ionic compound is just their ionic charge. Ie. The oxidation nu ...
CHEM 30 REDOX
... of unreacted mixture in the photocell system, which produces an electric current that causes the needle in the meter to move from its resting place. The operator then rotates a knob to bring the needle back to the resting place and reads the level of alcohol from the knob -- the more the operator mu ...
... of unreacted mixture in the photocell system, which produces an electric current that causes the needle in the meter to move from its resting place. The operator then rotates a knob to bring the needle back to the resting place and reads the level of alcohol from the knob -- the more the operator mu ...
Review History of the Atomic Model
... Dalton devised the first modern atomic model. Which one of the following characteristics is NOT part of Dalton's atomic model? a. Atoms of different elements are different. b. All atoms of the same element are identical. c. Atoms combine to form compounds. d. Atoms consist of positive particles and ...
... Dalton devised the first modern atomic model. Which one of the following characteristics is NOT part of Dalton's atomic model? a. Atoms of different elements are different. b. All atoms of the same element are identical. c. Atoms combine to form compounds. d. Atoms consist of positive particles and ...
- Dr.Divan Fard
... Thermochemistry is the study of heat change in chemical reactions. The system is the specific part of the universe that is of interest in the study. ...
... Thermochemistry is the study of heat change in chemical reactions. The system is the specific part of the universe that is of interest in the study. ...
PHYSICAL SETTING CHEMISTRY
... questions in this examination. Some questions may require the use of the Reference Tables for Physical Setting/Chemistry. You are to answer all questions in all parts of this examination according to the directions provided in the examination booklet. Your answer sheet for Part A and Part B–1 is the ...
... questions in this examination. Some questions may require the use of the Reference Tables for Physical Setting/Chemistry. You are to answer all questions in all parts of this examination according to the directions provided in the examination booklet. Your answer sheet for Part A and Part B–1 is the ...
Chapter 04
... • Two Quizzes on Web Campus – Ends Tuesday 11:30 pm • Exam I – next Monday, 9/29 – Chapters 1-4 – Chapter 5 will be on Exam II ...
... • Two Quizzes on Web Campus – Ends Tuesday 11:30 pm • Exam I – next Monday, 9/29 – Chapters 1-4 – Chapter 5 will be on Exam II ...
atm-atomic structure - Discovery Education
... Much of what we know about atomic structure today is the result of indirect observation of atoms and the particles that compose them. Democritus was the first to realize that the forces that hold together the atom cannot be divided except by the most powerful reactions. When the nucleus of an atom i ...
... Much of what we know about atomic structure today is the result of indirect observation of atoms and the particles that compose them. Democritus was the first to realize that the forces that hold together the atom cannot be divided except by the most powerful reactions. When the nucleus of an atom i ...
Unit 4
... Oxidation Number: Electron Bookkeeping To determine whether electrons are transferred in a chemical reaction, we use a procedure that assigns an oxidation number to each atom in the reaction. Some Shortcut Methods for Assigning Oxidation Number to Atoms ...
... Oxidation Number: Electron Bookkeeping To determine whether electrons are transferred in a chemical reaction, we use a procedure that assigns an oxidation number to each atom in the reaction. Some Shortcut Methods for Assigning Oxidation Number to Atoms ...
unit (4) calculations and chemical reactions
... Oxidation Number: Electron Bookkeeping To determine whether electrons are transferred in a chemical reaction, we use a procedure that assigns an oxidation number to each atom in the reaction. Some Shortcut Methods for Assigning Oxidation Number to Atoms ...
... Oxidation Number: Electron Bookkeeping To determine whether electrons are transferred in a chemical reaction, we use a procedure that assigns an oxidation number to each atom in the reaction. Some Shortcut Methods for Assigning Oxidation Number to Atoms ...