Chapter - Archie Main Page
... high specific heat means a lot of energy is needed for each degree of increase in temperature. For example, water’s specific heat value is 4,184 J/kg°C whereas the specific heat for steel is 470 J/kg°C. Water resists Water has a high specific heat value because of hydrogen bonds. Between temperature ...
... high specific heat means a lot of energy is needed for each degree of increase in temperature. For example, water’s specific heat value is 4,184 J/kg°C whereas the specific heat for steel is 470 J/kg°C. Water resists Water has a high specific heat value because of hydrogen bonds. Between temperature ...
Review Unit 8 Test (Chp 15,17)
... A is half true, but “decreases”, decreases to become a constant nonzero rate at equilibrium. not “increases.” decreases to become zero at equilibrium. Greater pressure of reactant initially (Q = 0/1.00 = 0) so forward rate is faster due to greater collision frequency of reactant particles. The forwa ...
... A is half true, but “decreases”, decreases to become a constant nonzero rate at equilibrium. not “increases.” decreases to become zero at equilibrium. Greater pressure of reactant initially (Q = 0/1.00 = 0) so forward rate is faster due to greater collision frequency of reactant particles. The forwa ...
selected experiments in organic chemistry
... completely liquid, is recorded as the melting point range of that substance. The melting point range is affected by a number of factors in addition to that of purity. Particle size, amount of material used, density of packing in the capillary tube, thickness of the capillary tube and the rate of hea ...
... completely liquid, is recorded as the melting point range of that substance. The melting point range is affected by a number of factors in addition to that of purity. Particle size, amount of material used, density of packing in the capillary tube, thickness of the capillary tube and the rate of hea ...
File
... d) H2(g) or SO2(g) under the same conditions of temperature and pressure. ________11. Which of the three salts that are listed with their Ksp values on the accompanying page has the greatest molar solubility? A) PbSO4 B) PbF2 C) Mg(OH)2 ________12. What is the maximum concentration of Mg2+ that will ...
... d) H2(g) or SO2(g) under the same conditions of temperature and pressure. ________11. Which of the three salts that are listed with their Ksp values on the accompanying page has the greatest molar solubility? A) PbSO4 B) PbF2 C) Mg(OH)2 ________12. What is the maximum concentration of Mg2+ that will ...
CHE 1402 Lab Manual
... where a and b are constants characteristic of a given gas. The term nb is a correction for the finite n2 volume of the molecules. The term a 2 is a correction to the pressure which takes into account the V intermolecular attractions. In this experiment you will determine the numerical value of the g ...
... where a and b are constants characteristic of a given gas. The term nb is a correction for the finite n2 volume of the molecules. The term a 2 is a correction to the pressure which takes into account the V intermolecular attractions. In this experiment you will determine the numerical value of the g ...
Chemistry 12 - hrsbstaff.ednet.ns.ca
... 40. What effect does a catalyst have? A. increases the reaction rate by decreasing the heat of reaction B. increases the reaction rate by increasing the activation energy of the reverse reaction C. increases the reaction rate by lowering the activation energy of the forward reaction only D. increase ...
... 40. What effect does a catalyst have? A. increases the reaction rate by decreasing the heat of reaction B. increases the reaction rate by increasing the activation energy of the reverse reaction C. increases the reaction rate by lowering the activation energy of the forward reaction only D. increase ...
Part One: Ions in Aqueous Solution A. Electrolytes and Non
... Chlorides, Cl-, are soluble EXCEPT AgCl, Hg2Cl2, and PbCl2. Bromides, Br-, and iodides, I-, similar to chlorides, with some exceptions. As these halide ions (Cl-, Br-, I-) increase in size, solubilities decrease. ...
... Chlorides, Cl-, are soluble EXCEPT AgCl, Hg2Cl2, and PbCl2. Bromides, Br-, and iodides, I-, similar to chlorides, with some exceptions. As these halide ions (Cl-, Br-, I-) increase in size, solubilities decrease. ...
chapter 4 - reactions in solution
... One of the most important properties of water is its ability to dissolve both ionic and nonionic substances. Water molecules are very polar; It dissolves many ionic compounds due to strong ion-dipole attractions between water molecules and ions. In aqueous solutions, ions are surrounded by water ...
... One of the most important properties of water is its ability to dissolve both ionic and nonionic substances. Water molecules are very polar; It dissolves many ionic compounds due to strong ion-dipole attractions between water molecules and ions. In aqueous solutions, ions are surrounded by water ...
LECTURE 5 - CHEMICAL EQUILIBRIUM
... 5-1) will produce an almost complete reaction so that the amount of products will greatly outweigh the amount of reactants. On the other hand, a reaction like ...
... 5-1) will produce an almost complete reaction so that the amount of products will greatly outweigh the amount of reactants. On the other hand, a reaction like ...
chem 100 class notes - Louisiana Tech University
... Classification of compounds as acids, bases and salts Most of the chemical compounds can be classified either as an acid, a base or a salt. Acids: Acids are compounds that increase the hydrogen ion concentration when dissolved in water. They usually have at least one removable hydrogen atom attached ...
... Classification of compounds as acids, bases and salts Most of the chemical compounds can be classified either as an acid, a base or a salt. Acids: Acids are compounds that increase the hydrogen ion concentration when dissolved in water. They usually have at least one removable hydrogen atom attached ...
C - Thierry Karsenti
... The module, Physical Chemistry 2, focuses on five (5) areas of physical chemistry important to many aspects of our lives: solutions, colloids, phase equilibrium, electrochemistry and nuclear chemistry. Solutions are often necessary to facilitate many chemical reactions in life processes or industry ...
... The module, Physical Chemistry 2, focuses on five (5) areas of physical chemistry important to many aspects of our lives: solutions, colloids, phase equilibrium, electrochemistry and nuclear chemistry. Solutions are often necessary to facilitate many chemical reactions in life processes or industry ...
Physical Chemistry II
... chemistry. In solutions, we examine essentially the behaviour of homogenous mixtures involving pure substances. We shall also look at colloids, which differ from solutions only i n terms of sizes of the solute. The topic of phase equilibrium looks at the physical transformation of pure substances. I ...
... chemistry. In solutions, we examine essentially the behaviour of homogenous mixtures involving pure substances. We shall also look at colloids, which differ from solutions only i n terms of sizes of the solute. The topic of phase equilibrium looks at the physical transformation of pure substances. I ...
Acid-Base Reactions Worksheet #2 - Mro
... When methane, CH4, reacts with molecular chlorine, hydrogen chloride and carbon tetrachloride are produced. If 49.62 mL of methane reacts at a temperature of 465.° C and at a pressure of 1400. torr, with 75.00 mL of molecular chlorine, how many grams of carbon tetrachloride will be produced? ...
... When methane, CH4, reacts with molecular chlorine, hydrogen chloride and carbon tetrachloride are produced. If 49.62 mL of methane reacts at a temperature of 465.° C and at a pressure of 1400. torr, with 75.00 mL of molecular chlorine, how many grams of carbon tetrachloride will be produced? ...
Lab # 18
... reported by Jacques Alexandre Cesar Charles (1746–1823) in 1787. This work was repeated by Joseph Louis Gay-Lussac and is attributed at times to him as well. He found that when he plotted a graph of volume vs. temperature, it gave a linear relationship. The temperature at the zero volume intercept i ...
... reported by Jacques Alexandre Cesar Charles (1746–1823) in 1787. This work was repeated by Joseph Louis Gay-Lussac and is attributed at times to him as well. He found that when he plotted a graph of volume vs. temperature, it gave a linear relationship. The temperature at the zero volume intercept i ...
Exam 980415 - NTOU-Chem
... C) a Lewis base. D) a Bronsted-Lowry base. E) insoluble in the solvent. Answer: A 42) For the phase transition from solid to liquid, ...
... C) a Lewis base. D) a Bronsted-Lowry base. E) insoluble in the solvent. Answer: A 42) For the phase transition from solid to liquid, ...
Physical Chemistry 2.pdf
... The module, Physical Chemistry 2, focuses on five (5) areas of physical chemistry important to many aspects of our lives: solutions, colloids, phase equilibrium, electrochemistry and nuclear chemistry. Solutions are often necessary to facilitate many chemical reactions in life processes or industry ...
... The module, Physical Chemistry 2, focuses on five (5) areas of physical chemistry important to many aspects of our lives: solutions, colloids, phase equilibrium, electrochemistry and nuclear chemistry. Solutions are often necessary to facilitate many chemical reactions in life processes or industry ...
Equilibrium STUDY GUIDE by Keshara Senanayake ---
... Its good to note that even seemingly insoluble solids are actually somewhat soluble in aqueous solutions. Remember the law of mass action, which states that the concentrations of reactants and products at equilibrium are always related to a constant as described by the equilibrium expressions. Solub ...
... Its good to note that even seemingly insoluble solids are actually somewhat soluble in aqueous solutions. Remember the law of mass action, which states that the concentrations of reactants and products at equilibrium are always related to a constant as described by the equilibrium expressions. Solub ...
Chapter 4
... soluble ionic compounds are split up into their ions, 2 Na+ (aq) + CO32- (aq) + Ba2+ (aq) + 2 NO3- (aq) → BaCO3 (s) + 2 Na+ (aq) + 2 NO3- (aq) Here, the Na+ and NO3- ions are called "spectator ions" because they appear unchanged on both sides of the equation. The spectator ions do not participate i ...
... soluble ionic compounds are split up into their ions, 2 Na+ (aq) + CO32- (aq) + Ba2+ (aq) + 2 NO3- (aq) → BaCO3 (s) + 2 Na+ (aq) + 2 NO3- (aq) Here, the Na+ and NO3- ions are called "spectator ions" because they appear unchanged on both sides of the equation. The spectator ions do not participate i ...
Solution Stoichiometry - Angelo State University
... • For a chemical reaction to occur, the reacting species have to come in close contact with each other. Most chemical reactions are performed in a solution (or in the gas phase) rather than in the solid state. • A solution consists of a smaller amount of one substance, the solute (usually a liquid o ...
... • For a chemical reaction to occur, the reacting species have to come in close contact with each other. Most chemical reactions are performed in a solution (or in the gas phase) rather than in the solid state. • A solution consists of a smaller amount of one substance, the solute (usually a liquid o ...
AP Exam Review Questions
... Sig Figs 9.01 x 2.3 = • Ans: 21 • The measurement with the smallest number of sig figs determines how many digits are allowed in the final answer. ...
... Sig Figs 9.01 x 2.3 = • Ans: 21 • The measurement with the smallest number of sig figs determines how many digits are allowed in the final answer. ...
Chapter 4: Reactions in Aqueous Solution
... VIII) Water, The Universal Solvent 1) Water is a very common solvent due to its wide availability and low cost (most of our world is water). 2) Many reactions take place in aqueous solution. The term aqueous means dissolved in water. 3) Hydration of solids in Water A) Solid dissolves (falls apart) t ...
... VIII) Water, The Universal Solvent 1) Water is a very common solvent due to its wide availability and low cost (most of our world is water). 2) Many reactions take place in aqueous solution. The term aqueous means dissolved in water. 3) Hydration of solids in Water A) Solid dissolves (falls apart) t ...
Test 1 w/answers
... 8. The osmotic pressure of a solution of 20.00 g NaOH (MMNaOH = 40.0 g/mol) dissolved in a total volume of 500.0 mL was compared to the osmotic pressure of a solution of 14.61 g of NaCl (MMNaCl = 58.44 g/mol) dissolved in a total volume of 250.0 mL. Is the osmotic pressure of the NaOH solution highe ...
... 8. The osmotic pressure of a solution of 20.00 g NaOH (MMNaOH = 40.0 g/mol) dissolved in a total volume of 500.0 mL was compared to the osmotic pressure of a solution of 14.61 g of NaCl (MMNaCl = 58.44 g/mol) dissolved in a total volume of 250.0 mL. Is the osmotic pressure of the NaOH solution highe ...
Chapter 13: Water and the Lithosphere Preview
... The earth is believed to have formed some 4.5 billion years ago from the coalescence of meteorites that circled the early sun. Heating from gravitational forces and nuclear decay melted the interior of the evolving planet, allowing the minerals to separate according to their density. The result is a ...
... The earth is believed to have formed some 4.5 billion years ago from the coalescence of meteorites that circled the early sun. Heating from gravitational forces and nuclear decay melted the interior of the evolving planet, allowing the minerals to separate according to their density. The result is a ...
Solution Chemistry and the Hydrosphere
... The new combinations are BaSO4 and NH4Cl. Table 4.5 indicates that all ammonium salts are soluble, and so the ammonium and chloride ions remain dissolved. Barium sulfate is insoluble, however, and that salt precipitates. The net ionic equation describes the formation of the precipitate: ...
... The new combinations are BaSO4 and NH4Cl. Table 4.5 indicates that all ammonium salts are soluble, and so the ammonium and chloride ions remain dissolved. Barium sulfate is insoluble, however, and that salt precipitates. The net ionic equation describes the formation of the precipitate: ...
Solubility of platinum in aqueous solutions at 25°C and pHs 4 to 10
... The understanding of the geochemical cycle of platinum group elements (PGEs) is very important scientifically, industrially, and economically. These metals have always been more or less considered as immobile in supergene environments. McKibben et al. (1990) analyzed the concentrations of Pt, Pd, Au ...
... The understanding of the geochemical cycle of platinum group elements (PGEs) is very important scientifically, industrially, and economically. These metals have always been more or less considered as immobile in supergene environments. McKibben et al. (1990) analyzed the concentrations of Pt, Pd, Au ...