SYNOPSIS OF CHEMISTRY
... 2. Protolitic theory of acid and bases. Acid-base reactions à la Brønsted. The Hydronium ion. Acids and the hydrogen ion. Bases and the hydrogen ion. 3. Acid-base reactions à la Brønsted. Conjugate pairs. 4. Autoprotolysis. Ampholytes. 5. Lewis acids and bases.Protons and electron-pairs. Acid-base r ...
... 2. Protolitic theory of acid and bases. Acid-base reactions à la Brønsted. The Hydronium ion. Acids and the hydrogen ion. Bases and the hydrogen ion. 3. Acid-base reactions à la Brønsted. Conjugate pairs. 4. Autoprotolysis. Ampholytes. 5. Lewis acids and bases.Protons and electron-pairs. Acid-base r ...
CHEM102 Chemistry II Spring 10-11 Mid
... 2) The balanced equation for the reaction occurring when iron(III) oxide, a solid, is reduced with pure carbon to produce carbon dioxide and molten iron is 2) C A) 2 FeO3 + 3 C (s) → 2 Fe (l) + 3 CO2 (g). B) 2 FeO + C (s) →? 2 Fe (l) + CO2 (g). C) 2 Fe2O3 + 3 C (s) → 4 Fe (l) + 3 CO2 (g). D) 4 Fe2O3 ...
... 2) The balanced equation for the reaction occurring when iron(III) oxide, a solid, is reduced with pure carbon to produce carbon dioxide and molten iron is 2) C A) 2 FeO3 + 3 C (s) → 2 Fe (l) + 3 CO2 (g). B) 2 FeO + C (s) →? 2 Fe (l) + CO2 (g). C) 2 Fe2O3 + 3 C (s) → 4 Fe (l) + 3 CO2 (g). D) 4 Fe2O3 ...
solutions - UMass Chemistry
... Place an X in the boxes corresponding to the correct answers. Any number of answers may be correct, including none of them. 9. (10 pts) 2 grams of octane are burned in a calorimeter. The calorimeter has a heat capacity of 900 J/K. There are 1200 grams of water in the calorimeter surrounding the bomb ...
... Place an X in the boxes corresponding to the correct answers. Any number of answers may be correct, including none of them. 9. (10 pts) 2 grams of octane are burned in a calorimeter. The calorimeter has a heat capacity of 900 J/K. There are 1200 grams of water in the calorimeter surrounding the bomb ...
www.XtremePapers.com
... reasonable effort has been made by the publisher (UCLES) to trace copyright holders, but if any items requiring clearance have unwittingly been included, the publisher will be pleased to make amends at the earliest possible opportunity. University of Cambridge International Examinations is part of t ...
... reasonable effort has been made by the publisher (UCLES) to trace copyright holders, but if any items requiring clearance have unwittingly been included, the publisher will be pleased to make amends at the earliest possible opportunity. University of Cambridge International Examinations is part of t ...
LEGGETT--AP CHEMISTRY * MINIMAL FINAL REVIEW
... aluminum metal, what is the maximum theoretical yield of Al2Br6? (86.3 g) 17. In the photographic process silver bromide is dissolved by adding sodium thiosulfate, as shown in the balanced equation below. If you want to dissolve 0.250 g of AgBr(molar mass = 187.8 g/mol), how many mL of 0.0138 M Na 2 ...
... aluminum metal, what is the maximum theoretical yield of Al2Br6? (86.3 g) 17. In the photographic process silver bromide is dissolved by adding sodium thiosulfate, as shown in the balanced equation below. If you want to dissolve 0.250 g of AgBr(molar mass = 187.8 g/mol), how many mL of 0.0138 M Na 2 ...
Slide 1
... The concentrated sulphuric acid will not oxidise HCl Dip a glass rod into concentrated ammonia solution and then into the test tube where you suspect the presence of HCl. The HCl will form a white smoke with NH3 if it is present. ...
... The concentrated sulphuric acid will not oxidise HCl Dip a glass rod into concentrated ammonia solution and then into the test tube where you suspect the presence of HCl. The HCl will form a white smoke with NH3 if it is present. ...
X012/12/02
... of potassium iodide solution. Pour these into a dry 100 cm3 glass beaker and place the beaker on the bench. 2. Measure out 5 cm3 of hydrogen peroxide solution and start the timer. 3. Add the hydrogen peroxide solution to the beaker. When the blue/black colour just appears, stop the timer and rec ...
... of potassium iodide solution. Pour these into a dry 100 cm3 glass beaker and place the beaker on the bench. 2. Measure out 5 cm3 of hydrogen peroxide solution and start the timer. 3. Add the hydrogen peroxide solution to the beaker. When the blue/black colour just appears, stop the timer and rec ...
chapter 4 lecture slides
... 1. Write the balanced molecular equation. 2. Write the ionic equation showing the strong electrolytes completely dissociated into cations and anions. Weak and non electrolytes are written as molecules 3. Cancel the spectator ions on both sides of the ionic equation 4. Check that charges and number o ...
... 1. Write the balanced molecular equation. 2. Write the ionic equation showing the strong electrolytes completely dissociated into cations and anions. Weak and non electrolytes are written as molecules 3. Cancel the spectator ions on both sides of the ionic equation 4. Check that charges and number o ...
CH 14-15 Chapter 14-15 review wkey
... 15. According to collision theory, which of the following factors does NOT influence the rate of reaction? a) collision frequency b) collision energy c) collision orientation d) collision rebound direction e) none of these 16. What distance corresponds to the activation energy for the reaction of X ...
... 15. According to collision theory, which of the following factors does NOT influence the rate of reaction? a) collision frequency b) collision energy c) collision orientation d) collision rebound direction e) none of these 16. What distance corresponds to the activation energy for the reaction of X ...
Quenching of Giant Hysteresis Effects in La Y H Switchable Mirrors
... Since the discovery that thin YHx and LaHx films show dramatic changes in their optical properties near their metal-insulator (MI) transition when the hydrogento-metal ratio x increases from 2 to 3 [1], these materials have attracted a lot of interest because of their technological potential [2–4] a ...
... Since the discovery that thin YHx and LaHx films show dramatic changes in their optical properties near their metal-insulator (MI) transition when the hydrogento-metal ratio x increases from 2 to 3 [1], these materials have attracted a lot of interest because of their technological potential [2–4] a ...
Chem 480A
... the activities are 1 and we get rGo back again. If we choose some different values for the various activities then we get rG for that choice. Let’s now take a mixture of reactants and products, held at constant p and T, and ask what would be the condition for equilibrium. We know that the criterio ...
... the activities are 1 and we get rGo back again. If we choose some different values for the various activities then we get rG for that choice. Let’s now take a mixture of reactants and products, held at constant p and T, and ask what would be the condition for equilibrium. We know that the criterio ...
! !! ! n nn N P =
... (b) Given that the pKa value of CH3COOH is 4.75 at 25 oC. Predict which of the groups, GeH3 and CH3 , has stronger electron donating property. Explain. pKa for CH3COOH is 4.75 and pKa for GeH3COOH is 3.51. (1 mark) Since GeH3COOH is a stronger acid, its conjugate base GeH3COO- is more stable than ...
... (b) Given that the pKa value of CH3COOH is 4.75 at 25 oC. Predict which of the groups, GeH3 and CH3 , has stronger electron donating property. Explain. pKa for CH3COOH is 4.75 and pKa for GeH3COOH is 3.51. (1 mark) Since GeH3COOH is a stronger acid, its conjugate base GeH3COO- is more stable than ...
KEY_Reaction Types WS
... hydroxide to form a salt plus water. Alternatively, the acid may react with ammonia (NH3) to form an ammonium salt (but no water). These are proton transfer reactions in which H+ (the proton) is transferred from the acid to the base. Oxidation-Reduction Reactions: These are reactions in which one ty ...
... hydroxide to form a salt plus water. Alternatively, the acid may react with ammonia (NH3) to form an ammonium salt (but no water). These are proton transfer reactions in which H+ (the proton) is transferred from the acid to the base. Oxidation-Reduction Reactions: These are reactions in which one ty ...
1 - Intro to Electrochemistry
... Its oxidation number _____________________ (more on this later) Example: Cu(s) Cu2+ + 2 eReduction During reduction, a substance ____________ electrons during a chemical reaction The oxidation number of the substance being reduced is ______________ in the ...
... Its oxidation number _____________________ (more on this later) Example: Cu(s) Cu2+ + 2 eReduction During reduction, a substance ____________ electrons during a chemical reaction The oxidation number of the substance being reduced is ______________ in the ...
Le Chatelier`s Principle Notes
... With the rate of the moving stairs and your walking evenly matched, you appear to be at a standstill. But what happens if the escalator begins moving just a little faster? If you want to maintain the same position you had, at some specific point between the bottom and the top of the stairs, you'll a ...
... With the rate of the moving stairs and your walking evenly matched, you appear to be at a standstill. But what happens if the escalator begins moving just a little faster? If you want to maintain the same position you had, at some specific point between the bottom and the top of the stairs, you'll a ...
4. chemical kinetics
... The reactions with molecularity greater than or equal to 2 but order is one are called Pseudo unimolecular or Pseudo first order reactions. Eg : i) Hydrolysis of ethyl acetate in acid medium. ii) Inversion of cane sugar. Difference between molecularity and order of reaction: ...
... The reactions with molecularity greater than or equal to 2 but order is one are called Pseudo unimolecular or Pseudo first order reactions. Eg : i) Hydrolysis of ethyl acetate in acid medium. ii) Inversion of cane sugar. Difference between molecularity and order of reaction: ...
Nikolai N. Semenov - Nobel Lecture
... branched chain reactions, became the principal problem of the Institute for Chemical Physics for many years. The branched chain surge can occur under isothermal conditions (in which the heat of reaction is fully dissipated), whereas in the thermal surge, the dissipation of the heat renders an explos ...
... branched chain reactions, became the principal problem of the Institute for Chemical Physics for many years. The branched chain surge can occur under isothermal conditions (in which the heat of reaction is fully dissipated), whereas in the thermal surge, the dissipation of the heat renders an explos ...
Carboxypeptidase A - Chemistry Courses: About
... Chemical and kinetic support for the nuclephilic pathway has been relatively recent, yet sometimes ambiguous. Makinen’s investigations of certain ester substrates resulted in the detection of an accumulating intermediate, presumably the acyl enzyme with Glu270, at subzero t e m p e r a t ~ r e . ~Ho ...
... Chemical and kinetic support for the nuclephilic pathway has been relatively recent, yet sometimes ambiguous. Makinen’s investigations of certain ester substrates resulted in the detection of an accumulating intermediate, presumably the acyl enzyme with Glu270, at subzero t e m p e r a t ~ r e . ~Ho ...
Complete the following equations
... (a) Does the formation of ammonia favor high temperature or low temperature? Explain. (b) Does the formation of ammonia favor high pressure of low pressure? Explain. (c) Industrial production of ammonia is normally carried out at temperature 250 – 300oC and pressure 150 – 200 atm. Discuss the advant ...
... (a) Does the formation of ammonia favor high temperature or low temperature? Explain. (b) Does the formation of ammonia favor high pressure of low pressure? Explain. (c) Industrial production of ammonia is normally carried out at temperature 250 – 300oC and pressure 150 – 200 atm. Discuss the advant ...
17 ADSORPTION AND CATALYSIS S MODULE - 5
... 10 – 40 kJ mol–1. Another feature of the physical adsorption of a gas by a solid is that it is reversible in nature and an equilibrium is established between the adsorbent and the adsorbate as discussed earlier. Increase of pressure increases the adsorption and the release of pressure desorbs the ga ...
... 10 – 40 kJ mol–1. Another feature of the physical adsorption of a gas by a solid is that it is reversible in nature and an equilibrium is established between the adsorbent and the adsorbate as discussed earlier. Increase of pressure increases the adsorption and the release of pressure desorbs the ga ...
Notes Set 1
... The table you have in front of you is a much more complete list than the one you made in the lab. It will be provided for you on the final exam. It is important that you know how to use this table. As you can see, there are several reactions that simply involve the transfer of electrons from an ion ...
... The table you have in front of you is a much more complete list than the one you made in the lab. It will be provided for you on the final exam. It is important that you know how to use this table. As you can see, there are several reactions that simply involve the transfer of electrons from an ion ...
chapter-2 - HCC Learning Web
... • A molecule consists of two or more atoms held together by covalent bonds • A single covalent bond, or single bond, is the sharing of one pair of valence electrons • A double covalent bond, or double bond, is the sharing of two pairs of valence electrons ...
... • A molecule consists of two or more atoms held together by covalent bonds • A single covalent bond, or single bond, is the sharing of one pair of valence electrons • A double covalent bond, or double bond, is the sharing of two pairs of valence electrons ...
The d block:
... – Relative stability of +2 state with respect to +3 state increases across the series – For compounds early in the series, +2 state highly reducing • E.g. V2+(aq) & Cr2+(aq) strong reducing agents ...
... – Relative stability of +2 state with respect to +3 state increases across the series – For compounds early in the series, +2 state highly reducing • E.g. V2+(aq) & Cr2+(aq) strong reducing agents ...
AP Chemistry Summer Assignment
... summer packet during the first week of school. You can expect a quiz in naming compounds, identifying ions the first day of school. Based on prior knowledge I can tell you that kids are not coming prepared with the material even though the assignment is completed. Make sure just completing assignmen ...
... summer packet during the first week of school. You can expect a quiz in naming compounds, identifying ions the first day of school. Based on prior knowledge I can tell you that kids are not coming prepared with the material even though the assignment is completed. Make sure just completing assignmen ...
Notes: Kinetics and Equilibrium
... reaction is called an electrochemical reaction, as electrons move from one substance to another. These substances are normally metals and metal ions. Common names for batteries are nickel – cadmium, lithium ion and lead - acid. The concept of Gibb’s free energy to electrochemical cells is applied by ...
... reaction is called an electrochemical reaction, as electrons move from one substance to another. These substances are normally metals and metal ions. Common names for batteries are nickel – cadmium, lithium ion and lead - acid. The concept of Gibb’s free energy to electrochemical cells is applied by ...