Problems - Department of Chemistry HKU
... concentration of products and reactants might differ significantly from equilibrium values. For instance, suppose the reaction A → B is driven by light absorption, and that its rate is Ia, but that the reverse reaction B → A is bimolecular and second-order with a rate kr[B]2. What is the stationary ...
... concentration of products and reactants might differ significantly from equilibrium values. For instance, suppose the reaction A → B is driven by light absorption, and that its rate is Ia, but that the reverse reaction B → A is bimolecular and second-order with a rate kr[B]2. What is the stationary ...
Oxidation-Reduction Reactions
... Acid: proton donor, Base: proton acceptor – The Arrhenius concept acid: proton (H+) donor base: hydroxide ion (OH-) donor In summary, both concepts the same ...
... Acid: proton donor, Base: proton acceptor – The Arrhenius concept acid: proton (H+) donor base: hydroxide ion (OH-) donor In summary, both concepts the same ...
Second Semester Review Part 1
... relation between solubility and temperature? (A) An increase in temperature increases the solubility of a gas in a liquid. (B) The change of solubility with temperature is the same for all substances. (C) The solubility of a liquid in a liquid is independent of temperature. (D) The solubility of mos ...
... relation between solubility and temperature? (A) An increase in temperature increases the solubility of a gas in a liquid. (B) The change of solubility with temperature is the same for all substances. (C) The solubility of a liquid in a liquid is independent of temperature. (D) The solubility of mos ...
Ion Exchange
... Ion-exchange chromatography retains analyte molecules on the column based on coulombic (ionic) interactions. The stationary phase surface displays ionic functional groups (R-X) that interact with analyte ions of opposite charge. An ion-exchange resin or ion-exchange polymer is an insoluble matrix no ...
... Ion-exchange chromatography retains analyte molecules on the column based on coulombic (ionic) interactions. The stationary phase surface displays ionic functional groups (R-X) that interact with analyte ions of opposite charge. An ion-exchange resin or ion-exchange polymer is an insoluble matrix no ...
1 Physical Chemistry - Fall 2015 CHEM 410B Room GMCS
... • Understand the basic principles of thermodynamics as applied to chemical reactions and processes, particularly in terms of enthalpy and entropy. • Calculate equilibrium constants, enthalpies, and entropies from experimental data and from information found in the literature. • Analyze equilibrium p ...
... • Understand the basic principles of thermodynamics as applied to chemical reactions and processes, particularly in terms of enthalpy and entropy. • Calculate equilibrium constants, enthalpies, and entropies from experimental data and from information found in the literature. • Analyze equilibrium p ...
1 st Nine Weeks Study Guide for Chemistry
... is 9.0cm? 0.00315 g/cm3 D. What are the two types of matter? Pure substance and a mixture E. How do you tell an element from a compound? Element is one type of atom, a compound is two or more elements chemically combined. F. What are physical properties? Give at least five examples. Have to do with ...
... is 9.0cm? 0.00315 g/cm3 D. What are the two types of matter? Pure substance and a mixture E. How do you tell an element from a compound? Element is one type of atom, a compound is two or more elements chemically combined. F. What are physical properties? Give at least five examples. Have to do with ...
Balancing Chemical Equations
... chocolate, how many s’mores could you make with the ingredients shown? _____________ Gizmo Warm-up In a chemical reaction, reactants interact to form products. This process is summarized by a chemical equation. In the Balancing Chemical Equations Gizmo™, look at the floating molecules below the init ...
... chocolate, how many s’mores could you make with the ingredients shown? _____________ Gizmo Warm-up In a chemical reaction, reactants interact to form products. This process is summarized by a chemical equation. In the Balancing Chemical Equations Gizmo™, look at the floating molecules below the init ...
Chapter 3
... reactions seek extra electrons that will give them a stable valence shell. Electron deficient • Nucleophiles- reagents that seek a proton or some other positive center. Electron rich ...
... reactions seek extra electrons that will give them a stable valence shell. Electron deficient • Nucleophiles- reagents that seek a proton or some other positive center. Electron rich ...
Name ______ Period ______ 7th Grade Science Study Guide 1 7
... 16. The temperature 100 degrees is the __________________________________________________ of water. 17. In the graph above, why does the temperature not increase past 100 degrees? ...
... 16. The temperature 100 degrees is the __________________________________________________ of water. 17. In the graph above, why does the temperature not increase past 100 degrees? ...
Question Paper - Revision Science
... (Total for Question 2 = 4 marks) 3 Which of the following mixtures would form the best buffer solution with pH 9 for use in a school laboratory? A Ethanoic acid and sodium ethanoate B Sodium chloride and sodium hydroxide C Hydrocyanic acid and sodium cyanide D Ammonium chloride and ammonia (Total fo ...
... (Total for Question 2 = 4 marks) 3 Which of the following mixtures would form the best buffer solution with pH 9 for use in a school laboratory? A Ethanoic acid and sodium ethanoate B Sodium chloride and sodium hydroxide C Hydrocyanic acid and sodium cyanide D Ammonium chloride and ammonia (Total fo ...
Multiple Choice Practice. A) P B) S C) Cl D) Li E) 1 F 1. Has the
... When the half reaction above is balanced, how many moles of electrons are needed for every mole of I2 formed by this half-reaction? A) 2 B) 6 C) 8 D) 10 E) 12 30. Which of the following is always true at the triple point of a pure substance? A) The vapor pressure of the solid phase equals the vapor ...
... When the half reaction above is balanced, how many moles of electrons are needed for every mole of I2 formed by this half-reaction? A) 2 B) 6 C) 8 D) 10 E) 12 30. Which of the following is always true at the triple point of a pure substance? A) The vapor pressure of the solid phase equals the vapor ...
Classification of Matter
... Separating compounds Compounds are made of molecules Compounds can be broken down into simpler substances by heating and electricity ...
... Separating compounds Compounds are made of molecules Compounds can be broken down into simpler substances by heating and electricity ...
Chemistry 12 Worksheet 2-3 Calculations Involving the
... a) In an equilibrium mixture the following concentrations were found: [A] = 0.45M, [B] = 0.63M and [C] = 0.30M. Calculate the value of the equilibrium constant for this reaction. Answer ____________________ b) At the same temperature, another equilibrium mixture is analyzed and it is found that [B] ...
... a) In an equilibrium mixture the following concentrations were found: [A] = 0.45M, [B] = 0.63M and [C] = 0.30M. Calculate the value of the equilibrium constant for this reaction. Answer ____________________ b) At the same temperature, another equilibrium mixture is analyzed and it is found that [B] ...
The ion-association model and the buffer capacity of the carbon
... manner, at the buffer capacity of the carbon dioxide system in seawater under equilibrium conditions to test this hypothesis and to see how far it is possible to explain Wangersky’s observations in terms of a conventional ion-pairing approach. I am concerned in this instance with a precise analysis ...
... manner, at the buffer capacity of the carbon dioxide system in seawater under equilibrium conditions to test this hypothesis and to see how far it is possible to explain Wangersky’s observations in terms of a conventional ion-pairing approach. I am concerned in this instance with a precise analysis ...
Acids
... 5) Stomach produces HCl acid So, our pH is usually tending to _____ …a condition called ____________ ...
... 5) Stomach produces HCl acid So, our pH is usually tending to _____ …a condition called ____________ ...