PowerPoint
... Problem: A titration is performed between sodium hydroxide and potassium hydrogenphthalate (KHP) to standardize the base solution, by placing 50.00 mg of solid potassium hydrogenphthalate in a flask with a few drops of an indicator. A buret is filled with the base, and the initial buret reading is 0 ...
... Problem: A titration is performed between sodium hydroxide and potassium hydrogenphthalate (KHP) to standardize the base solution, by placing 50.00 mg of solid potassium hydrogenphthalate in a flask with a few drops of an indicator. A buret is filled with the base, and the initial buret reading is 0 ...
South Pasadena • AP Chemistry
... a) all salts containing NH4+ are soluble. b) all salts containing NO3– are soluble. c) all fluorides are soluble. d) all sulfates (except those of Ca2+, Sr2+, Ba2+, and Pb2+) are soluble. e) most hydroxides are insoluble, except those of Ca2+, Sr2+, Ba2+, the alkali metals and NH4+. ...
... a) all salts containing NH4+ are soluble. b) all salts containing NO3– are soluble. c) all fluorides are soluble. d) all sulfates (except those of Ca2+, Sr2+, Ba2+, and Pb2+) are soluble. e) most hydroxides are insoluble, except those of Ca2+, Sr2+, Ba2+, the alkali metals and NH4+. ...
CHEMISTRY
... It is formed by a central nucleus (positive charge) and some surrounding electrons (charge -1). Nucleus has positive charge and is formed essentially of proton (charge 1+) and neutrons (no charge). Protons give the atomic number of the element, while Neutrons contribute to the atomic mass. Atomic ma ...
... It is formed by a central nucleus (positive charge) and some surrounding electrons (charge -1). Nucleus has positive charge and is formed essentially of proton (charge 1+) and neutrons (no charge). Protons give the atomic number of the element, while Neutrons contribute to the atomic mass. Atomic ma ...
Chapter 4 Stoichiometry Power Point
... unknown concentration, until the chemical reaction between the two solutions is complete. The point at which the acid has completely reacted with or has been neutralized by the base is called the equivalence point. The endpoint is the point at which the solution should change in color due to the ind ...
... unknown concentration, until the chemical reaction between the two solutions is complete. The point at which the acid has completely reacted with or has been neutralized by the base is called the equivalence point. The endpoint is the point at which the solution should change in color due to the ind ...
AP Chemistry Summer Assignment 2016
... Predict whether the following combinations will result in a reaction. Write a balanced reaction for those reactions. Indicate you understand the specific reactions by writing the net ionic equation for the reaction. Hopefully you would have memorized the solubility rules before attempting to answer ...
... Predict whether the following combinations will result in a reaction. Write a balanced reaction for those reactions. Indicate you understand the specific reactions by writing the net ionic equation for the reaction. Hopefully you would have memorized the solubility rules before attempting to answer ...
1 Inorganic Chemistry Chem 418 Syllabus, Winter 2011 Instructor
... 1. Understand the structure, bonding and chemistry (including reactions and mechanisms) of coordination compounds. 2. Understand the structure, bonding and chemistry (including reactions and catalysis) of organometallic complexes. 3. Understand the structure and bonding of cluster complexes. 4. Unde ...
... 1. Understand the structure, bonding and chemistry (including reactions and mechanisms) of coordination compounds. 2. Understand the structure, bonding and chemistry (including reactions and catalysis) of organometallic complexes. 3. Understand the structure and bonding of cluster complexes. 4. Unde ...
AP CHEMISTRY PROBLEMS ENTHALPY, ENTROPY, AND FREE
... 7. When most biologic enzymes are heated, they lose their catalytic activity. The change Original enzyme new form that occurs on heating is endothermic and spontaneous. Is the structure of the original enzyme or its new form more ordered? Explain. ...
... 7. When most biologic enzymes are heated, they lose their catalytic activity. The change Original enzyme new form that occurs on heating is endothermic and spontaneous. Is the structure of the original enzyme or its new form more ordered? Explain. ...
Pages from PS 11 Textbook for Lab
... be readily calculated. The convention is to define the standard enthalpy of formation, ΔH°f , to specific molecular species, and then tabulate those values of ΔH°f . Because enthalpy is a state function, we are concerned only with changes in enthalpy ΔH, so the absolute scale is not important in suc ...
... be readily calculated. The convention is to define the standard enthalpy of formation, ΔH°f , to specific molecular species, and then tabulate those values of ΔH°f . Because enthalpy is a state function, we are concerned only with changes in enthalpy ΔH, so the absolute scale is not important in suc ...
Thermochem problems
... We can use tabulated ΔH values to calculate the enthalpy of reactions ΔH depends on amounts of reactants and products and their initial and final states ΔH is a state function, so does not depend upon how we get from reactants to products Example: N2(g) + 3H2(g) 2 NH3(g) Hrxn = ? N2(g) + 3H2(g) ...
... We can use tabulated ΔH values to calculate the enthalpy of reactions ΔH depends on amounts of reactants and products and their initial and final states ΔH is a state function, so does not depend upon how we get from reactants to products Example: N2(g) + 3H2(g) 2 NH3(g) Hrxn = ? N2(g) + 3H2(g) ...
Synthesis of Aliphatic Nitro Compounds1i2 A simple new
... Preparation of %nitrooctane from b-iodo~ctane.~2-Iodooctane (71.2 g., 0.30 mole) was poured into a stirred solution of 225 ml. dimethyl sulfoxide (DMSO) and 36 g. of sodium nitrite (0.52 mole) contained in a 500 ml. flask immersed in a water bath held a t room temperature. Stirring was continued for ...
... Preparation of %nitrooctane from b-iodo~ctane.~2-Iodooctane (71.2 g., 0.30 mole) was poured into a stirred solution of 225 ml. dimethyl sulfoxide (DMSO) and 36 g. of sodium nitrite (0.52 mole) contained in a 500 ml. flask immersed in a water bath held a t room temperature. Stirring was continued for ...
C6_rev - boswellsrcd
... • Reactions in solution involve dissolved particles that must collide before reaction is possible. • The more crowded (concentrated) the solution, the faster the reaction because the frequency of successful collisions increases. ...
... • Reactions in solution involve dissolved particles that must collide before reaction is possible. • The more crowded (concentrated) the solution, the faster the reaction because the frequency of successful collisions increases. ...
3. What is the empirical formula of a compound that is
... 6. When C3H8 burns in oxygen, CO2 and H2O are produced. If 15.0 g of C3H8 reacts with 60.0 g of O2, how many grams of CO2 is produced? What mass of each reactant is left over? ...
... 6. When C3H8 burns in oxygen, CO2 and H2O are produced. If 15.0 g of C3H8 reacts with 60.0 g of O2, how many grams of CO2 is produced? What mass of each reactant is left over? ...
chemical reactions and energy changes
... At 25 "C a saturated solution of sodium chloride in water contains 359.0 g 1-'. In contrast, a saturated solution of magnesium hydroxide Mg(0H)' contains only 0.01 1g dissolved solid in 1 litre of water at 25 "C. Magnesium hydroxide is only, sparingly soluble in water. However, if you were to test t ...
... At 25 "C a saturated solution of sodium chloride in water contains 359.0 g 1-'. In contrast, a saturated solution of magnesium hydroxide Mg(0H)' contains only 0.01 1g dissolved solid in 1 litre of water at 25 "C. Magnesium hydroxide is only, sparingly soluble in water. However, if you were to test t ...
...detail
... Nitro phenols, aminophenols, nitroanilines, amino carboxylic acids. (x) Sulphonic acids. (28 lectures) 4. Some reactions which may be studied from their nature of reactivity under general mechanism of reactions or under appropriate class of compounds: Saytzev and Hofmann elimination reactions, Witti ...
... Nitro phenols, aminophenols, nitroanilines, amino carboxylic acids. (x) Sulphonic acids. (28 lectures) 4. Some reactions which may be studied from their nature of reactivity under general mechanism of reactions or under appropriate class of compounds: Saytzev and Hofmann elimination reactions, Witti ...
Ch 8 Lecture Notes
... research to wash and store living cells. It contains ionic solutes including 10.0 mM Na2HPO42H2O (MW = 178.0). How many grams of this solute would you need to prepare 10.0 L of PBS? ...
... research to wash and store living cells. It contains ionic solutes including 10.0 mM Na2HPO42H2O (MW = 178.0). How many grams of this solute would you need to prepare 10.0 L of PBS? ...
spring semester review
... d) The reaction is not spontaneous at any temperatures e) We cannot tell from the information given 59. What is the reducing agent in following reaction: Cr2O72- + 6S2O32- + 14H+ --> 2Cr3+ + 3S4O62- + 7H20 a) Cr2O72b) S2O32c) H+ d) Cr3+ e) S4O6260. Which substance is the oxidizing agent in the follo ...
... d) The reaction is not spontaneous at any temperatures e) We cannot tell from the information given 59. What is the reducing agent in following reaction: Cr2O72- + 6S2O32- + 14H+ --> 2Cr3+ + 3S4O62- + 7H20 a) Cr2O72b) S2O32c) H+ d) Cr3+ e) S4O6260. Which substance is the oxidizing agent in the follo ...
chemical reactions
... Ba(NO3)2 , are combined an insoluble salt barium chromate, BaCrO4 , is formed. K2CrO4 (aq) + Ba(NO3)2 (aq) BaCrO4 (s) + 2KNO3 (aq) Precipitate These reactions will be further discussed in Chapter 8 ...
... Ba(NO3)2 , are combined an insoluble salt barium chromate, BaCrO4 , is formed. K2CrO4 (aq) + Ba(NO3)2 (aq) BaCrO4 (s) + 2KNO3 (aq) Precipitate These reactions will be further discussed in Chapter 8 ...
Practice Problem Set #6
... H2. Write a balanced equation for this reaction. If you begin with 13.2 g of Al, what volume (in milliliters) of H2 gas is produced when the gas is measured at 735 mm Hg and 22.5 °C? 6. Use a table of thermodynamic data to calculate the enthalpy and free energy change for the reaction: 2 NO(g) + O2 ...
... H2. Write a balanced equation for this reaction. If you begin with 13.2 g of Al, what volume (in milliliters) of H2 gas is produced when the gas is measured at 735 mm Hg and 22.5 °C? 6. Use a table of thermodynamic data to calculate the enthalpy and free energy change for the reaction: 2 NO(g) + O2 ...
Unit 6 – Chemical Reactions: Particles and Energy
... rearrangement process of a chemical reaction requires that all atoms from the reactant molecules MUST become part of one of the products. The conservation of mass we observed at the beginning of the course is evident during chemical reactions; coefficients describe how many whole particles of each ...
... rearrangement process of a chemical reaction requires that all atoms from the reactant molecules MUST become part of one of the products. The conservation of mass we observed at the beginning of the course is evident during chemical reactions; coefficients describe how many whole particles of each ...
Unit 3 Revision Notes 213.00KB 2017-03-01 18
... or bromine + sodium iodide = iodine + sodium bromide Br2 + 2NaI = I2 + 2KBr THE TRANSITION METALS This is the block which appears in the middle of the periodic table. It contains many of the metals in everyday use, such as iron, nickel and copper. Properties These metals tend to be strong and dense, ...
... or bromine + sodium iodide = iodine + sodium bromide Br2 + 2NaI = I2 + 2KBr THE TRANSITION METALS This is the block which appears in the middle of the periodic table. It contains many of the metals in everyday use, such as iron, nickel and copper. Properties These metals tend to be strong and dense, ...
Topic 4 Chemistry of the Elements of the Main Group
... Hydrogen forms ionic hydrides with the reactive s-block metals (groups 1 and 2) and forms covalent hydrides with the p-group metals, e.g. Al and Sn (group 13 and 14). Electronegativity = 2.1. The value is intermediate in the electronegativity scale that spans from 0.7 to 4.0. H can form hydrides ( ...
... Hydrogen forms ionic hydrides with the reactive s-block metals (groups 1 and 2) and forms covalent hydrides with the p-group metals, e.g. Al and Sn (group 13 and 14). Electronegativity = 2.1. The value is intermediate in the electronegativity scale that spans from 0.7 to 4.0. H can form hydrides ( ...
Supramolecular Assemblies Built from Lanthanide
... [N1···O15j 3.171(4) Å, N1–H···O15j 169°; symmetry code: j = 3/2 – x, y – 1/2, 1/2 – z]. These two molecules, perpendicular to one another, are also held together by another hydrogen bond between the carbonyl atom O8 and the water ligand atom O17 [O17j···O8 2.935(4) Å, O17j– H···O8 145°], as well as ...
... [N1···O15j 3.171(4) Å, N1–H···O15j 169°; symmetry code: j = 3/2 – x, y – 1/2, 1/2 – z]. These two molecules, perpendicular to one another, are also held together by another hydrogen bond between the carbonyl atom O8 and the water ligand atom O17 [O17j···O8 2.935(4) Å, O17j– H···O8 145°], as well as ...
Chemical reaction model:
... Reactions (14) and (15) are not elementary reactions but involved many steps. But for completeness and to be brief we have added the reactions in the final form. Further the species involved in these reactions are ones that are involved only in those reactions and do not affect other elementary step ...
... Reactions (14) and (15) are not elementary reactions but involved many steps. But for completeness and to be brief we have added the reactions in the final form. Further the species involved in these reactions are ones that are involved only in those reactions and do not affect other elementary step ...
Unit 5 Notes
... disappears (a diluted colour appearing pale yellow remains). Some starch solution is then added to the titration, which produces a dark blue colour (this is caused by the reaction between starch and the remaining I2 in solution). After adding the starch (which acts as a more noticeable and therefore ...
... disappears (a diluted colour appearing pale yellow remains). Some starch solution is then added to the titration, which produces a dark blue colour (this is caused by the reaction between starch and the remaining I2 in solution). After adding the starch (which acts as a more noticeable and therefore ...
Key - GCC
... 1. List the three general classes of chemical reactions: precipitation, acid-base neutralization, and redox reactions 2. How can you identify each of the three reaction types above (e.g., what characteristic defines each one?)? Precipitation reactions have solid products, also all reactants and prod ...
... 1. List the three general classes of chemical reactions: precipitation, acid-base neutralization, and redox reactions 2. How can you identify each of the three reaction types above (e.g., what characteristic defines each one?)? Precipitation reactions have solid products, also all reactants and prod ...