A2 Chemistry key word list
... The enthalpy change that takes place when one mole of a substance reacts completely with oxygen under standard conditions, all reactants and products being in their standard states. ...
... The enthalpy change that takes place when one mole of a substance reacts completely with oxygen under standard conditions, all reactants and products being in their standard states. ...
Notes
... 2. Which is the stronger oxidizing agent, Fe3+ or Al3+? 3. Which has the greater oxidation potential, Br-‐ or I-‐? 4. Which has the greater reduction potential, Cr3+ or Sn2+? 5. What is the reduction po ...
... 2. Which is the stronger oxidizing agent, Fe3+ or Al3+? 3. Which has the greater oxidation potential, Br-‐ or I-‐? 4. Which has the greater reduction potential, Cr3+ or Sn2+? 5. What is the reduction po ...
6.02 × 1023 molecules = 1 mole
... At the most fundamental level, the chemist needs a unit that describes a very large quantity. ...
... At the most fundamental level, the chemist needs a unit that describes a very large quantity. ...
AS CHECKLISTS File
... Describe the combustion of alkanes, leading to their use as fuels in industry, in the home and in transport. Explain using equations the incomplete combustion of alkanes in a limited supply of oxygen and outline the potential dangers arising from production of CO in the home and from car use. Descri ...
... Describe the combustion of alkanes, leading to their use as fuels in industry, in the home and in transport. Explain using equations the incomplete combustion of alkanes in a limited supply of oxygen and outline the potential dangers arising from production of CO in the home and from car use. Descri ...
Calculations with Chemical Formulas and Equations
... reaction to proceed by igniting the bubbles or balloons. The more H2O that is formed during the reaction, the bigger the bang. Explain the following observations. a. A bubble containing just H2 makes a quiet “fffft” sound when ignited. b. When a bubble containing equal amounts of H2 and O2 is ignite ...
... reaction to proceed by igniting the bubbles or balloons. The more H2O that is formed during the reaction, the bigger the bang. Explain the following observations. a. A bubble containing just H2 makes a quiet “fffft” sound when ignited. b. When a bubble containing equal amounts of H2 and O2 is ignite ...
THE CHEMICAL BASIS OF LIFE
... • Organisms are sensitive to the hydrogen ion concentration [H ] of solutions, which can be indicated using the pH scale. 14. In each of the pairs of statements that follow, place a check next to the one that correctly describes how hydrogen bonding affects the properties of water. Hydrogen bondin ...
... • Organisms are sensitive to the hydrogen ion concentration [H ] of solutions, which can be indicated using the pH scale. 14. In each of the pairs of statements that follow, place a check next to the one that correctly describes how hydrogen bonding affects the properties of water. Hydrogen bondin ...
- Palisades School District
... a. Repeat the calculation for a truck that has a gas mileage of 5 mi/gal. 3. A particular coal contains 2.5% sulfur by mass. When this coal is burned in a power plant, the sulfur is converted into sulfur dioxide gas, which is a pollutant. To reduce sulfur dioxide emissions, calcium oxide (lime) is u ...
... a. Repeat the calculation for a truck that has a gas mileage of 5 mi/gal. 3. A particular coal contains 2.5% sulfur by mass. When this coal is burned in a power plant, the sulfur is converted into sulfur dioxide gas, which is a pollutant. To reduce sulfur dioxide emissions, calcium oxide (lime) is u ...
Rapid Microwave Synthesis, Characterization and Reactivity
... parameters of the N and H atoms within both the LT- and HT-Li4NH phases. Simultaneous thermal analysis (thermogravimetric and differential thermal analysis; TG-DTA) was performed using a NETZSCH STA 409PC thermobalance coupled to a HIDEN HPR20 mass spectrometer (MS). Approximately 30 mg of Li4NH was ...
... parameters of the N and H atoms within both the LT- and HT-Li4NH phases. Simultaneous thermal analysis (thermogravimetric and differential thermal analysis; TG-DTA) was performed using a NETZSCH STA 409PC thermobalance coupled to a HIDEN HPR20 mass spectrometer (MS). Approximately 30 mg of Li4NH was ...
Form A 1 Chem 130 Name______________________________
... that is non-spontaneous and fast in the forward direction. For the second, illustrate a generic reaction that is spontaneous and slow in the forward direction. Clearly label your plots. For each diagram, include a brief description of how it satisfies the spontaneity and speed of the reaction requir ...
... that is non-spontaneous and fast in the forward direction. For the second, illustrate a generic reaction that is spontaneous and slow in the forward direction. Clearly label your plots. For each diagram, include a brief description of how it satisfies the spontaneity and speed of the reaction requir ...
Enzymes - stephen fleenor
... How is a carbohydrate made from many monosaccharide monomers? A carbohydrate is made from many monosaccharide monomers by… ...
... How is a carbohydrate made from many monosaccharide monomers? A carbohydrate is made from many monosaccharide monomers by… ...
Chemical Equations and Reactions
... acidic solutions to replace the hydrogen in the acid. The products are a metal compound (a salt) and hydrogen gas. ...
... acidic solutions to replace the hydrogen in the acid. The products are a metal compound (a salt) and hydrogen gas. ...
AQA_GCSE_Chemistry_Higher_Unit_2_Notes
... 1) They have very high melting points. 2) They are very hard (graphite is an exception) 3) They do not conduct electricity (graphite is an exception) 4) They are insoluble in all solvents. The important examples are diamond (C), graphite (C) and silicon dioxide (SiO2). The lastmentioned is the base ...
... 1) They have very high melting points. 2) They are very hard (graphite is an exception) 3) They do not conduct electricity (graphite is an exception) 4) They are insoluble in all solvents. The important examples are diamond (C), graphite (C) and silicon dioxide (SiO2). The lastmentioned is the base ...
Enzymes: “Helper” Protein molecules
... sucrase breaks down sucrose Oh, I get it! They end in -ase ...
... sucrase breaks down sucrose Oh, I get it! They end in -ase ...
Chem 1711 Review Exam 2
... The following is a list of concepts and terms with which you should be well-acquainted. THIS IS NOT A SUBSTITUTE FOR YOUR NOTES!!! This list of review topics is not meant to be exhaustive, it is only meant to help you identify the major areas we have discussed. You are responsible for all material c ...
... The following is a list of concepts and terms with which you should be well-acquainted. THIS IS NOT A SUBSTITUTE FOR YOUR NOTES!!! This list of review topics is not meant to be exhaustive, it is only meant to help you identify the major areas we have discussed. You are responsible for all material c ...
Lab #4: Chemical Reactions
... double replacement reactions. Oxidation-reduction reactions are ones in which electrons are transferred from one species to another. There are four types of oxidation-reduction reactions that we will investigate: synthesis, decomposition, single replacement, and combustion. There are two types of do ...
... double replacement reactions. Oxidation-reduction reactions are ones in which electrons are transferred from one species to another. There are four types of oxidation-reduction reactions that we will investigate: synthesis, decomposition, single replacement, and combustion. There are two types of do ...
A.P. Chemistry Writing Chemical Reactions Generally students do
... Note that net-ionic versions of these reactions really don't exist since liquid water is generally not present. The most significant hurdle with these reactions is likely to be the organic compound names. If you don’t know what propanal is then it doesn’t matter that it is easy to write the combusti ...
... Note that net-ionic versions of these reactions really don't exist since liquid water is generally not present. The most significant hurdle with these reactions is likely to be the organic compound names. If you don’t know what propanal is then it doesn’t matter that it is easy to write the combusti ...
1A - The changing atom History of the atom • The model of the atom
... Oxidation - is addition of oxygen / loss of hydrogen / Is Loss of electrons Reduction - loss of oxygen / addition of hydrogen / Is Gain of electrons ...
... Oxidation - is addition of oxygen / loss of hydrogen / Is Loss of electrons Reduction - loss of oxygen / addition of hydrogen / Is Gain of electrons ...
Writing Chemical Reactions
... Note that net-ionic versions of these reactions really don't exist since liquid water is generally not present. The most significant hurdle with these reactions is likely to be the organic compound names. If you don’t know what propanal is then it doesn’t matter that it is easy to write the combusti ...
... Note that net-ionic versions of these reactions really don't exist since liquid water is generally not present. The most significant hurdle with these reactions is likely to be the organic compound names. If you don’t know what propanal is then it doesn’t matter that it is easy to write the combusti ...
CHE 0315 SEM 3, 2013/14 TOPIC 5: CHEMICAL BONDING 1. State
... A molecule of formula AY3 is found experimentally to be polar. State the possible shapes for ...
... A molecule of formula AY3 is found experimentally to be polar. State the possible shapes for ...
Chemistry Final Exam Review 2006-2007
... a. Calculate the heat absorbed when 15.0 g of ice melts to liquid. See reference sheet for Hfus b. Calculate the heat released when 75.4 g of vapor condenses into liquid. See reference sheet for Hvap 10. Know how to calculate the heat released or absorbed in a chemical reaction? a) What is the spe ...
... a. Calculate the heat absorbed when 15.0 g of ice melts to liquid. See reference sheet for Hfus b. Calculate the heat released when 75.4 g of vapor condenses into liquid. See reference sheet for Hvap 10. Know how to calculate the heat released or absorbed in a chemical reaction? a) What is the spe ...
82KB - NZQA
... solid, CaCO3, is strongly heated it releases a colourless gas, carbon dioxide, CO2, and forms another white solid calcium oxide, CaO. CaCO3(s) → CaO(s) + CO2(g) When white calcium hydroxide solid, Ca(OH)2, is strongly heated it releases a colourless gas, water, H2O, and also forms the white solid ca ...
... solid, CaCO3, is strongly heated it releases a colourless gas, carbon dioxide, CO2, and forms another white solid calcium oxide, CaO. CaCO3(s) → CaO(s) + CO2(g) When white calcium hydroxide solid, Ca(OH)2, is strongly heated it releases a colourless gas, water, H2O, and also forms the white solid ca ...
HOCl wt/wt 0.06 x mL 90 one cy
... Refer to your tables (makes a good starting point). What was observed during the reaction? Any colour change, any precipitate (why?), is it a homogeneous mixture, bubbling of gas? Was there any odour? What was the appearance of the product after recrystallization. Can you explain why these changes a ...
... Refer to your tables (makes a good starting point). What was observed during the reaction? Any colour change, any precipitate (why?), is it a homogeneous mixture, bubbling of gas? Was there any odour? What was the appearance of the product after recrystallization. Can you explain why these changes a ...
Lecture 2 - Chemistry at Winthrop University
... Complete and Net Ionic Equations • A Complete Ionic Equation shows all chemical species present in the reaction • A Net Ionic Equation shows the net change taking place in the reaction – The Net Ionic Equation is made by taking the Spectator Ions out of the complete ionic equation ...
... Complete and Net Ionic Equations • A Complete Ionic Equation shows all chemical species present in the reaction • A Net Ionic Equation shows the net change taking place in the reaction – The Net Ionic Equation is made by taking the Spectator Ions out of the complete ionic equation ...
File
... behind the reactants and products to indicate the states of matter. For example, magnesium, a solid, is used to create bright light in fireworks and flash bulbs. The magnesium oxide formed is soft, grey in colour and easily crumbles into dust. The word equation for the reaction is magnesium + oxygen → ...
... behind the reactants and products to indicate the states of matter. For example, magnesium, a solid, is used to create bright light in fireworks and flash bulbs. The magnesium oxide formed is soft, grey in colour and easily crumbles into dust. The word equation for the reaction is magnesium + oxygen → ...