Camp 1 - drjosephryan.com Home Page
... But while it tells us what the reactants and products are and the physical state of each, it is incomplete because it is not balanced ...
... But while it tells us what the reactants and products are and the physical state of each, it is incomplete because it is not balanced ...
Term 1 and 2 Powerpoints
... thought of where all the statistics we hear about come from, and how the claims are substantiated. How do scientists know exactly what percent our ozone layer has deteriorated, and what percent of our atmosphere is made up harmful pollutants? Well when fossil fuels are burned, or maybe even things l ...
... thought of where all the statistics we hear about come from, and how the claims are substantiated. How do scientists know exactly what percent our ozone layer has deteriorated, and what percent of our atmosphere is made up harmful pollutants? Well when fossil fuels are burned, or maybe even things l ...
ionization 12.3.1
... bring about electron ionization. Fast atom bombardment ionization This term refers to the ionization of any species by causing interaction of the sample (which may be dissolved in a solvent matrix) and a beam of neutral atoms having a high translational energy. (See also secondary ionization). Field ...
... bring about electron ionization. Fast atom bombardment ionization This term refers to the ionization of any species by causing interaction of the sample (which may be dissolved in a solvent matrix) and a beam of neutral atoms having a high translational energy. (See also secondary ionization). Field ...
Rapid Microwave Synthesis, Characterization and Reactivity
... developing such an understanding centres on the reliable synthesis of single phase Li4NH. Preparation of the phase requires the solid state reaction of Li3N and LiH at high temperature under strictly anaerobic conditions while preventing side reactions with container materials. In this work we demon ...
... developing such an understanding centres on the reliable synthesis of single phase Li4NH. Preparation of the phase requires the solid state reaction of Li3N and LiH at high temperature under strictly anaerobic conditions while preventing side reactions with container materials. In this work we demon ...
Sample Problems
... How much does a reaction really produce? Limiting Reactants and Percent Yield ...
... How much does a reaction really produce? Limiting Reactants and Percent Yield ...
CHM 312
... ionic compounds, it forms oxoions eg TiO2-, VO2+-pale yellow, VO43-, CrO42--yellow and MnO4-intense purple. The colour is due to charge transfer eg for MnO4-, an electron is transferred from O to Mn, hence, O2- becomes O-,, reducing the oxidation state of Mn from +7 to +6. However, charge transfer r ...
... ionic compounds, it forms oxoions eg TiO2-, VO2+-pale yellow, VO43-, CrO42--yellow and MnO4-intense purple. The colour is due to charge transfer eg for MnO4-, an electron is transferred from O to Mn, hence, O2- becomes O-,, reducing the oxidation state of Mn from +7 to +6. However, charge transfer r ...
Atom The smallest part of an element that can exist on its own
... Highest significant peak where the molecule has lost 1 electron but has not broken up Base peak Highest peak in the mass spectrum - If the sample is an element each line represents an isotope of the element - Molecules broken up into fragments make fragmentation patterns on the mass spectrum(used to ...
... Highest significant peak where the molecule has lost 1 electron but has not broken up Base peak Highest peak in the mass spectrum - If the sample is an element each line represents an isotope of the element - Molecules broken up into fragments make fragmentation patterns on the mass spectrum(used to ...
Document
... The relative atomic mass of an element (Ar) compares the mass of atoms of the element with the 12C isotope. It is an average value for the isotopes of the element. (HT only) The relative formula mass (Mr) of a compound is the sum of the relative atomic masses of the atoms in the numbers shown in the ...
... The relative atomic mass of an element (Ar) compares the mass of atoms of the element with the 12C isotope. It is an average value for the isotopes of the element. (HT only) The relative formula mass (Mr) of a compound is the sum of the relative atomic masses of the atoms in the numbers shown in the ...
1. Formulae, equations and amounts of substance
... Add solid base to acid (gently heat to speed up reaction Filter off excess solid base Heat filtrate solution until volume reduced by half Leave solution to cool and allow remaining water to evaporate Slowly and crystals to form Filter or pick out crystals Leave to dry and put crystals between filter ...
... Add solid base to acid (gently heat to speed up reaction Filter off excess solid base Heat filtrate solution until volume reduced by half Leave solution to cool and allow remaining water to evaporate Slowly and crystals to form Filter or pick out crystals Leave to dry and put crystals between filter ...
1617 Ch3 Practice Test Key Student
... C) A separate test showed that lysine is 49.4% C. Determine the mass of C and O in the 2.175 g sample of lysine. *Since you know the mass percent of C, determine the g C in the given sample by multiplying the given sample by the percent. *Since the samples used in parts A, B, and C have the same mas ...
... C) A separate test showed that lysine is 49.4% C. Determine the mass of C and O in the 2.175 g sample of lysine. *Since you know the mass percent of C, determine the g C in the given sample by multiplying the given sample by the percent. *Since the samples used in parts A, B, and C have the same mas ...
part 3 - instructor version
... Balance hydrogen by adding (a) H+ in acidic solutions, (b) in basic solutions, continue as if in acidic solution, but at the end each H + ion will be neutralized by adding OH- ions 6. Balance charge by adding electrons; for the oxidation half-reaction, the electrons will be on the right, for the red ...
... Balance hydrogen by adding (a) H+ in acidic solutions, (b) in basic solutions, continue as if in acidic solution, but at the end each H + ion will be neutralized by adding OH- ions 6. Balance charge by adding electrons; for the oxidation half-reaction, the electrons will be on the right, for the red ...
Name: Northwest Vista College Chem 1311
... 14. A sample of nitrogen gas has a volume of 32.4 L at 20°C. The gas is heated to 220ºC at constant pressure. What is the final volume of nitrogen? A) 2.94 L B) 19.3 L C) 31.4 L D) 54.5 L E) 356 L 15. Which of the following processes is endothermic? Hints: a. If the reaction represents a phase chang ...
... 14. A sample of nitrogen gas has a volume of 32.4 L at 20°C. The gas is heated to 220ºC at constant pressure. What is the final volume of nitrogen? A) 2.94 L B) 19.3 L C) 31.4 L D) 54.5 L E) 356 L 15. Which of the following processes is endothermic? Hints: a. If the reaction represents a phase chang ...
1) Basic familiarity with Atomic Labels. You will need a Periodic
... oxide is decomposed, what mass of Hg(l) and how many moles of O2(g) are formed? If the O2 is collected at 298K and 1.03 atmos pressure, what volume will it occupy? 7.6) Write down the chemical equation involved and calculate what mass (g) of AgBr is formed when 35.5 mL of 0.184 M AgNO3 is treated wi ...
... oxide is decomposed, what mass of Hg(l) and how many moles of O2(g) are formed? If the O2 is collected at 298K and 1.03 atmos pressure, what volume will it occupy? 7.6) Write down the chemical equation involved and calculate what mass (g) of AgBr is formed when 35.5 mL of 0.184 M AgNO3 is treated wi ...
CC-80 art 6
... structure to that of bentonite. It belongs to the smectites group. It has a soft greasy texture and feels like modeling clay when squeezed between the fingers. It is one of the more expensive clays, due to its unique thixotropic properties. The main uses of hectorite are cosmetics (lotions, soaps, c ...
... structure to that of bentonite. It belongs to the smectites group. It has a soft greasy texture and feels like modeling clay when squeezed between the fingers. It is one of the more expensive clays, due to its unique thixotropic properties. The main uses of hectorite are cosmetics (lotions, soaps, c ...
Chapter 3 Powerpoint
... 3. Divide all answers by the lowest number to get subscripts. 4. If you get a .5, then multiply all numbers by 2. If you get a .33 or .66, then multiply all numbers by 3. ...
... 3. Divide all answers by the lowest number to get subscripts. 4. If you get a .5, then multiply all numbers by 2. If you get a .33 or .66, then multiply all numbers by 3. ...
CHEM 101 Final (Term 141)
... 7. A flask used in the determination of densities has a mass of 16.3179 g when empty, and it has a mass of 48.0250 g when filled with water at 20.0°C. When this same flask is filled with ethyl alcohol at 20.0°C, it is found to have a mass of 41.3934 g. Find the density of ethyl alcohol at 20.0°C. ( ...
... 7. A flask used in the determination of densities has a mass of 16.3179 g when empty, and it has a mass of 48.0250 g when filled with water at 20.0°C. When this same flask is filled with ethyl alcohol at 20.0°C, it is found to have a mass of 41.3934 g. Find the density of ethyl alcohol at 20.0°C. ( ...
Dissociation
... — Although no compound is ever totally insoluble, compounds of very low solubility can be considered insoluble for most practical purposes — There is no easy method to predict whether a compound made up of a certain combination of ions will be soluble when put into water — However, general solubilit ...
... — Although no compound is ever totally insoluble, compounds of very low solubility can be considered insoluble for most practical purposes — There is no easy method to predict whether a compound made up of a certain combination of ions will be soluble when put into water — However, general solubilit ...
The Copper Cycle
... oxidation number decreases) is reduced. To identify the substance oxidized and the substance reduced, one must determine the oxidation state or oxidation number of each element in the reactants and products. This is covered in chapter 4, section 6, but will be omitted here. The combination reaction ...
... oxidation number decreases) is reduced. To identify the substance oxidized and the substance reduced, one must determine the oxidation state or oxidation number of each element in the reactants and products. This is covered in chapter 4, section 6, but will be omitted here. The combination reaction ...
CHEMISTRY REVISION GUIDE for CIE IGCSE Coordinated Science
... is used to test the purity of a mixture or to see what it contains. Firstly a very strong solution of the mixture is prepared which is used to build up a small intense spot on a piece of absorbent paper. This is then placed in a jar of solvent (with a lid). As the solvent soaks up the paper, it diss ...
... is used to test the purity of a mixture or to see what it contains. Firstly a very strong solution of the mixture is prepared which is used to build up a small intense spot on a piece of absorbent paper. This is then placed in a jar of solvent (with a lid). As the solvent soaks up the paper, it diss ...
TEST on Atomic Structure
... _4 _ Use the periodic table to determine the number of electrons in a neutral atom of beryllium. ...
... _4 _ Use the periodic table to determine the number of electrons in a neutral atom of beryllium. ...
Final Exam Practice Questions for General Chemistry NOTICE TO
... tested on the final exam. An answer key will be provided at a later date. There is only one correct answer to each question. The best strategy is to arrive at your own answer to a question before looking at the choices. Otherwise, you may be misled by a plausible, but incorrect, response ...
... tested on the final exam. An answer key will be provided at a later date. There is only one correct answer to each question. The best strategy is to arrive at your own answer to a question before looking at the choices. Otherwise, you may be misled by a plausible, but incorrect, response ...
The Advanced Placement Examination in Chemistry Part I – Multiple
... (b) One of the other two metals reacts readily with the HCl solution. Identify the metal and write the balanced chemical equation for the reaction that occurs when this metal is added to the HCl solution. Use the table of standard reduction potentials (attached) to account for the fact that this met ...
... (b) One of the other two metals reacts readily with the HCl solution. Identify the metal and write the balanced chemical equation for the reaction that occurs when this metal is added to the HCl solution. Use the table of standard reduction potentials (attached) to account for the fact that this met ...
X012/11/02
... (ii) Strontium chloride hexahydrate can be used in toothpaste for sensitive teeth as it plugs the holes in the tooth enamel. This is possible because strontium has similar chemical properties to calcium. Why does strontium have similar chemical properties to calcium? ...
... (ii) Strontium chloride hexahydrate can be used in toothpaste for sensitive teeth as it plugs the holes in the tooth enamel. This is possible because strontium has similar chemical properties to calcium. Why does strontium have similar chemical properties to calcium? ...
Inductively coupled plasma mass spectrometry
Inductively coupled plasma mass spectrometry (ICP-MS) is a type of mass spectrometry which is capable of detecting metals and several non-metals at concentrations as low as one part in 1015 (part per quadrillion, ppq) on non-interfered low-background isotopes. This is achieved by ionizing the sample with inductively coupled plasma and then using a mass spectrometer to separate and quantify those ions.Compared to atomic absorption techniques, ICP-MS has greater speed, precision, and sensitivity. However, compared with other types of mass spectrometry, such as Thermal ionization mass spectrometry (TIMS) and Glow Discharge Mass Spectrometry (GD-MS), ICP-MS introduces a lot of interfering species: argon from the plasma, component gasses of air that leak through the cone orifices, and contamination from glassware and the cones.The variety of applications exceeds that of inductively coupled plasma atomic emission spectroscopy and includes isotopic speciation. Due to possible applications in nuclear technologies, ICP-MS hardware is a subject for special exporting regulations.