PRACTICE EXAM 1-C
... Potassium levels in the blood are measured in milliequivalents (mEq) of potassium per liter of blood, or “mEq/L”. A normal-range potassium level is around 4.3 mEq/L. Determine the mass of potassium contained in 1.00 pint of blood with a potassium level of 4.3 mEq/L. (7 pts) ...
... Potassium levels in the blood are measured in milliequivalents (mEq) of potassium per liter of blood, or “mEq/L”. A normal-range potassium level is around 4.3 mEq/L. Determine the mass of potassium contained in 1.00 pint of blood with a potassium level of 4.3 mEq/L. (7 pts) ...
Chapter 7 lecture notes: Solutions
... 1) Precipitation Reactions 2) Gas Producing Reactions 1) Precipitation Reactions Precipitation reactions may occur when two solutions that contain __________ ions are mixed. In a precipitation reaction, two compounds in aqueous solution appear to exchange ____________. ...
... 1) Precipitation Reactions 2) Gas Producing Reactions 1) Precipitation Reactions Precipitation reactions may occur when two solutions that contain __________ ions are mixed. In a precipitation reaction, two compounds in aqueous solution appear to exchange ____________. ...
as a PDF
... from 1.68 to 2.13 bar. The 23 H-atom profiles obtained from the 1hexene experiments were measured at temperatures between 1253 and 1398 K and pressures between 1.48 and 2.02 bar. Peukert et al. recommended a 13-step reaction model, which is listed in Table 1. They stated that this mechanism is suffici ...
... from 1.68 to 2.13 bar. The 23 H-atom profiles obtained from the 1hexene experiments were measured at temperatures between 1253 and 1398 K and pressures between 1.48 and 2.02 bar. Peukert et al. recommended a 13-step reaction model, which is listed in Table 1. They stated that this mechanism is suffici ...
4 Expressing and Measuring Chemical Change
... homes and move our vehicles from place to place. Chemical reactions involving oxygen can also be a problem when the metal in many human-made objects spontaneously breaks down in a chemical process called corrosion. Most people take chemical reactions for granted as if they were magic. It is importan ...
... homes and move our vehicles from place to place. Chemical reactions involving oxygen can also be a problem when the metal in many human-made objects spontaneously breaks down in a chemical process called corrosion. Most people take chemical reactions for granted as if they were magic. It is importan ...
The Free High School Science Texts: A Textbook for High School
... of being true. They usually have a value between 0 and 1 or 0% and 100% where 0 means no chance at all and 1 means definite. Probabilities are used when the state of something is uncertain. For example, probabilities are often used when predicting the weather e.g. there is a 50% (=0.5) chance of rai ...
... of being true. They usually have a value between 0 and 1 or 0% and 100% where 0 means no chance at all and 1 means definite. Probabilities are used when the state of something is uncertain. For example, probabilities are often used when predicting the weather e.g. there is a 50% (=0.5) chance of rai ...
Exam 2
... SECTION B – Short-answer questions Instructions for Section B Answer all questions in the spaces provided. Section B is worth approximately 73 per cent of the marks available. To obtain full marks for your responses you should • give simplified answers with an appropriate number of significant figur ...
... SECTION B – Short-answer questions Instructions for Section B Answer all questions in the spaces provided. Section B is worth approximately 73 per cent of the marks available. To obtain full marks for your responses you should • give simplified answers with an appropriate number of significant figur ...
Lectures on Chapter 4, Part 2 Powerpoint 97 Document
... SO32-(aq) SO42-(aq) + 2 e Add water to the reactant side to supply an oxygen and add two protons to the product side that will remain plus the two electrons. SO32-(aq) + H2O(l) SO42-(aq) + 2 H+(aq) + 2 e Reduction: MnO4-(aq) + 3 eMnO2 (s) Add water to the product side to take up the extra oxygen fro ...
... SO32-(aq) SO42-(aq) + 2 e Add water to the reactant side to supply an oxygen and add two protons to the product side that will remain plus the two electrons. SO32-(aq) + H2O(l) SO42-(aq) + 2 H+(aq) + 2 e Reduction: MnO4-(aq) + 3 eMnO2 (s) Add water to the product side to take up the extra oxygen fro ...
Equilibrium Notes - Chemistry Teaching Resources
... assume that reactions go to completion. This means that the reactants ultimately form the products and no reactants (unless some are present in excess) are left. Many reactions, however, never go to completion but are in a state of equilibrium, with reactants and products always present. A chemical ...
... assume that reactions go to completion. This means that the reactants ultimately form the products and no reactants (unless some are present in excess) are left. Many reactions, however, never go to completion but are in a state of equilibrium, with reactants and products always present. A chemical ...
1994 Released Exam
... containerof fixed volume. The initial partial pressureof the F2 gasis 8.0 atmospheresand that of the Xe gasis 1.7 atmospheres.When all of the Xe gasreacted,forming a solid compound,the pressureof the unreactedF2 gas was 4.6 atmospheres. The temperatureremainedconstant.What is the formula of the comp ...
... containerof fixed volume. The initial partial pressureof the F2 gasis 8.0 atmospheresand that of the Xe gasis 1.7 atmospheres.When all of the Xe gasreacted,forming a solid compound,the pressureof the unreactedF2 gas was 4.6 atmospheres. The temperatureremainedconstant.What is the formula of the comp ...
Net ionic equation
... • In the above rxn, Mg(s) loses e-, H+ gains e• Oxidized: atom, molecule, or ion becomes more positively charged. • Reduced: atom, molecule, or ion becomes less positively charged. ...
... • In the above rxn, Mg(s) loses e-, H+ gains e• Oxidized: atom, molecule, or ion becomes more positively charged. • Reduced: atom, molecule, or ion becomes less positively charged. ...
AP Chemistry Summer Assignment
... 3. AP Chemistry looks great on your transcript or on a letter of recommendation. More and more colleges and universities are looking for ways a student has distinguished themselves in high school. Being a "straight A" student no longer carries the weight it once did. Taking AP Chemistry is a way of ...
... 3. AP Chemistry looks great on your transcript or on a letter of recommendation. More and more colleges and universities are looking for ways a student has distinguished themselves in high school. Being a "straight A" student no longer carries the weight it once did. Taking AP Chemistry is a way of ...
mc_ch08 - MrBrownsChem1LCHS
... decomposition, single-displacement, and doubledisplacement reactions. • Classify a reaction as a synthesis, decomposition, single-displacement, double-displacement, or combustion reaction. • List three kinds of synthesis reactions and six kinds of decomposition reactions. ...
... decomposition, single-displacement, and doubledisplacement reactions. • Classify a reaction as a synthesis, decomposition, single-displacement, double-displacement, or combustion reaction. • List three kinds of synthesis reactions and six kinds of decomposition reactions. ...
Chapter 18 - Louisiana Tech University
... Gibbs free energy change; use this relation to estimate quantitatively how temperature affects whether a reaction is product-favored (Section 18.6). 8. Calculate the Gibbs free energy change for a reaction from values given in a table of standard molar free energies of formation (Section 18.6). 9. R ...
... Gibbs free energy change; use this relation to estimate quantitatively how temperature affects whether a reaction is product-favored (Section 18.6). 8. Calculate the Gibbs free energy change for a reaction from values given in a table of standard molar free energies of formation (Section 18.6). 9. R ...
Proton Resonance Frequencies in Several Organophosphorus Acids
... work, several new phosphorus acids have been examined and several useful solvent systems have been uncovered. In addition, acids of the type R.:P (0) OR were examined, which had not been studied previously (Ferraro and Peppard, 1963). In Table I it is clear that the protons of the comPOunds investig ...
... work, several new phosphorus acids have been examined and several useful solvent systems have been uncovered. In addition, acids of the type R.:P (0) OR were examined, which had not been studied previously (Ferraro and Peppard, 1963). In Table I it is clear that the protons of the comPOunds investig ...
pdf - Mattson Creighton
... readily with aqueous KOH as shown here: P2O5(s) + 6 KOH(aq) à 2 K3PO4+ 3 H2O What volume of 0.944 M KOH(aq) is required to react completely with 2.682 g P2O5 (MM = 141.94 g/ mol)? ...
... readily with aqueous KOH as shown here: P2O5(s) + 6 KOH(aq) à 2 K3PO4+ 3 H2O What volume of 0.944 M KOH(aq) is required to react completely with 2.682 g P2O5 (MM = 141.94 g/ mol)? ...
Learning Outcomes Leaving Certificate Chemistry
... using the Balmer series in the emission spectrum as an example describe and explain the absorption spectrum use flame tests to provide evidence that energy is absorbed or released in discrete units when electrons move from one energy level to another explain how flame tests provide evidence that ene ...
... using the Balmer series in the emission spectrum as an example describe and explain the absorption spectrum use flame tests to provide evidence that energy is absorbed or released in discrete units when electrons move from one energy level to another explain how flame tests provide evidence that ene ...
Document
... so the reactants must have a higher potential energy than the product. (b) The reaction in which water decomposes to form hydrogen and oxygen gases is endothermic, so the reactant (water) must have a lower potential energy than the products (hydrogen and oxygen). ...
... so the reactants must have a higher potential energy than the product. (b) The reaction in which water decomposes to form hydrogen and oxygen gases is endothermic, so the reactant (water) must have a lower potential energy than the products (hydrogen and oxygen). ...
chemical reaction
... decomposition, single-displacement, and doubledisplacement reactions. • Classify a reaction as a synthesis, decomposition, single-displacement, double-displacement, or combustion reaction. • List three kinds of synthesis reactions and six kinds of decomposition reactions. ...
... decomposition, single-displacement, and doubledisplacement reactions. • Classify a reaction as a synthesis, decomposition, single-displacement, double-displacement, or combustion reaction. • List three kinds of synthesis reactions and six kinds of decomposition reactions. ...
Chem 33 Lab - Santa Clara University
... Company (available from the bookstore); you may use the same notebook as you purchased for Chem32L 4. Safety splash goggles 5. Laboratory coat (available from the bookstore) LABORATORY GUIDELINES 1. The laboratory in Daly Science 100 were modernized and redesigned in 1994, with safety as the primary ...
... Company (available from the bookstore); you may use the same notebook as you purchased for Chem32L 4. Safety splash goggles 5. Laboratory coat (available from the bookstore) LABORATORY GUIDELINES 1. The laboratory in Daly Science 100 were modernized and redesigned in 1994, with safety as the primary ...
Document
... (4) The number of each type of ligand is specified by the Greek prefixes, mono- , di- , tri- , tetra- , penta- and hexa- etc. (5) For more than one type of ligands, they are arranged in the order of ...
... (4) The number of each type of ligand is specified by the Greek prefixes, mono- , di- , tri- , tetra- , penta- and hexa- etc. (5) For more than one type of ligands, they are arranged in the order of ...
1st-Year-ch-wise-test
... Test : Chemistry Time Allowed : 20 min F.Sc : Part I Max. Marks : 15 Q. No.2: Give short answers to the followings. ...
... Test : Chemistry Time Allowed : 20 min F.Sc : Part I Max. Marks : 15 Q. No.2: Give short answers to the followings. ...
1063-1069 - Australian Journal of Basic and Applied Sciences
... Diosm etin-7-O-rham noside: The compound was isolated as a yellow powder and appeared as yellow spots at R f 0.55 (15% acetic acid) indicating it’s glycosidic nature.It displayed peak-I at ë m ax (MeOH) = 343nm with ammonia bathochromic shift (42nm) with low intensity on addition of NaOMe which prov ...
... Diosm etin-7-O-rham noside: The compound was isolated as a yellow powder and appeared as yellow spots at R f 0.55 (15% acetic acid) indicating it’s glycosidic nature.It displayed peak-I at ë m ax (MeOH) = 343nm with ammonia bathochromic shift (42nm) with low intensity on addition of NaOMe which prov ...
Lecture 1 Atomic Structure
... Since William Crookes, a British physicist, was the first of several scientists to construct discharge tubes, these are also known as Crookes tubes. Working: At ordinary pressure, electricity does not pass through the tube since gases are nonconductor of electricity. As the gas or air from the tube ...
... Since William Crookes, a British physicist, was the first of several scientists to construct discharge tubes, these are also known as Crookes tubes. Working: At ordinary pressure, electricity does not pass through the tube since gases are nonconductor of electricity. As the gas or air from the tube ...
Kinetics
... formation of an activated complex, where bonds are breaking and new ones forming. When temperature is increased, a greater number of molecular collisions possess enough energy to activate the reaction (activation energy). Frequency of collisions increases - an increase in temperature makes particles ...
... formation of an activated complex, where bonds are breaking and new ones forming. When temperature is increased, a greater number of molecular collisions possess enough energy to activate the reaction (activation energy). Frequency of collisions increases - an increase in temperature makes particles ...
Lewis acid catalysis
In Lewis acid catalysis of organic reactions, a metal-based Lewis acid acts as an electron pair acceptor to increase the reactivity of a substrate. Common Lewis acid catalysts are based on main group metals such as aluminum, boron, silicon, and tin, as well as many early (titanium, zirconium) and late (iron, copper, zinc) d-block metals. The metal atom forms an adduct with a lone-pair bearing electronegative atom in the substrate, such as oxygen (both sp2 or sp3), nitrogen, sulfur, and halogens. The complexation has partial charge-transfer character and makes the lone-pair donor effectively more electronegative, activating the substrate toward nucleophilic attack, heterolytic bond cleavage, or cycloaddition with 1,3-dienes and 1,3-dipoles.Many classical reactions involving carbon–carbon or carbon–heteroatom bond formation can be catalyzed by Lewis acids. Examples include the Friedel-Crafts reaction, the aldol reaction, and various pericyclic processes that proceed slowly at room temperature, such as the Diels-Alder reaction and the ene reaction. In addition to accelerating the reactions, Lewis acid catalysts are able to impose regioselectivity and stereoselectivity in many cases.Early developments in Lewis acid reagents focused on easily available compounds such as TiCl4, BF3, SnCl4, and AlCl3. The relative strengths of these (and other) Lewis acids may be estimated from NMR spectroscopy by the Childs method or the Gutmann-Beckett method. Over the years, versatile catalysts bearing ligands designed for specific applications have facilitated improvement in both reactivity and selectivity of Lewis acid-catalyzed reactions. More recently, Lewis acid catalysts with chiral ligands have become an important class of tools for asymmetric catalysis.Challenges in the development of Lewis acid catalysis include inefficient catalyst turnover (caused by catalyst affinity for the product) and the frequent requirement of two-point binding for stereoselectivity, which often necessitates the use of auxiliary groups.