File
... d. NH3 7. The molecular shape of PH3 would be. a. Trigonal bipyramidal b. Bent c. Linear d. Trigonal pyramidal 8. As I move from left to right the electronegativity ____________and as I move from top to bottom it ___________. a. Increases/Decreases b. Decreases/Increases c. stays the same/Increases ...
... d. NH3 7. The molecular shape of PH3 would be. a. Trigonal bipyramidal b. Bent c. Linear d. Trigonal pyramidal 8. As I move from left to right the electronegativity ____________and as I move from top to bottom it ___________. a. Increases/Decreases b. Decreases/Increases c. stays the same/Increases ...
CfE Higher Chemistry Homework 3.5
... Draw a diagram to show an assembled apparatus that could be used to measure the volume of H2S gas produced when a sample of iron(II) sulfide reacts with hydrochloric acid. Your diagram should be labelled and should show the names of any chemical used. ...
... Draw a diagram to show an assembled apparatus that could be used to measure the volume of H2S gas produced when a sample of iron(II) sulfide reacts with hydrochloric acid. Your diagram should be labelled and should show the names of any chemical used. ...
Teacher Demo/Student Activity: Elephant`s Toothpaste
... A1.10 draw conclusions based on inquiry results and research findings, and justify their ...
... A1.10 draw conclusions based on inquiry results and research findings, and justify their ...
Chapter 2 Notes - Duplin County Schools
... • pH: a measure of how acidic or basic a solution is – Acid: substance that forms H+ ions in water ...
... • pH: a measure of how acidic or basic a solution is – Acid: substance that forms H+ ions in water ...
Practice Test 1 (Chapters 1-7)
... b. nickel(I) oxide c. nickel oxide d. nickel monoxide e. nickel(I) monoxide 42. The name for the acid H2SO3 is a. sulfuric acid b. sulfurous acid c. hydrosulfuric acid d. hydrosulfurous acid e. sulfurite acid 43. The name for HClO3(aq) is a. chloric acid b. hydrogen chlorate c. perchloric acid d. hy ...
... b. nickel(I) oxide c. nickel oxide d. nickel monoxide e. nickel(I) monoxide 42. The name for the acid H2SO3 is a. sulfuric acid b. sulfurous acid c. hydrosulfuric acid d. hydrosulfurous acid e. sulfurite acid 43. The name for HClO3(aq) is a. chloric acid b. hydrogen chlorate c. perchloric acid d. hy ...
Reaction types summary
... This is really a precipitation and is given the name double decomposition to indicate that the ions have “switched round”. In the previous example the hydroxide ions seem to go from the sodium to the copper and the sulphate ions seem to go from the copper to the sodium. In reality ions in solution a ...
... This is really a precipitation and is given the name double decomposition to indicate that the ions have “switched round”. In the previous example the hydroxide ions seem to go from the sodium to the copper and the sulphate ions seem to go from the copper to the sodium. In reality ions in solution a ...
Chemistry 2nd Semester Final Review
... particle. Write the nuclear equation and identify the other particle produced. 56. When bombarded with neutrons, lithium-6 produces an alpha particle and an isotope of hydrogen. Write the nuclear equation for this reaction. What isotope of hydrogen is produced? 57. What is the half-life of a 100.0 g ...
... particle. Write the nuclear equation and identify the other particle produced. 56. When bombarded with neutrons, lithium-6 produces an alpha particle and an isotope of hydrogen. Write the nuclear equation for this reaction. What isotope of hydrogen is produced? 57. What is the half-life of a 100.0 g ...
4.4 Oxidation Reduction Redox An introduction to
... This is really a precipitation and is given the name double decomposition to indicate that the ions have “switched round”. In the previous example the hydroxide ions seem to go from the sodium to the copper and the sulphate ions seem to go from the copper to the sodium. In reality ions in solution a ...
... This is really a precipitation and is given the name double decomposition to indicate that the ions have “switched round”. In the previous example the hydroxide ions seem to go from the sodium to the copper and the sulphate ions seem to go from the copper to the sodium. In reality ions in solution a ...
examples of chemical and physical reactions.
... 2. You have burned magnesium in air. Remember that air is a mixture of gases; so what do you think will happen if we burn magnesium in pure oxygen gas? ________________________________________________ 3. You are given three test tubes containing samples of hydrogen, carbon dioxide and oxygen. What t ...
... 2. You have burned magnesium in air. Remember that air is a mixture of gases; so what do you think will happen if we burn magnesium in pure oxygen gas? ________________________________________________ 3. You are given three test tubes containing samples of hydrogen, carbon dioxide and oxygen. What t ...
Study of the self-diffusion coefficient in the water
... Self-diffusion coefficient in the water-methanol binary mixture was measured by NMR diffusion-order spectroscopy (DOSY) experiment [1] at different concentrations. The selfdiffusion coefficient of both water and methanol decreases exponentially as methanol mole fraction increases. This behavior is s ...
... Self-diffusion coefficient in the water-methanol binary mixture was measured by NMR diffusion-order spectroscopy (DOSY) experiment [1] at different concentrations. The selfdiffusion coefficient of both water and methanol decreases exponentially as methanol mole fraction increases. This behavior is s ...
matter
... concentration • The amount of material dissolved in a volume (measurement) of liquid. ...
... concentration • The amount of material dissolved in a volume (measurement) of liquid. ...
Chapter 13 - "Water and Solutions"
... • If small amounts of acid is added, hydronium ions are neutralized by reacting with the salt in solution • If small amounts of base is added, hydroxide ions are neutralized by reacting with the acid. ...
... • If small amounts of acid is added, hydronium ions are neutralized by reacting with the salt in solution • If small amounts of base is added, hydroxide ions are neutralized by reacting with the acid. ...
Lecture 11 - AP Chem Solutions
... compounds containing group 1A ions, nitrate, and ammonium are always soluble. 2) A potassium hydroxide solution is mixed with a solution of zinc nitrate. The potassium ion is always soluble as it is a Group 1A element. Nitrate is also soluble with everything. Thus, K+ and NO3- must be spectator ions ...
... compounds containing group 1A ions, nitrate, and ammonium are always soluble. 2) A potassium hydroxide solution is mixed with a solution of zinc nitrate. The potassium ion is always soluble as it is a Group 1A element. Nitrate is also soluble with everything. Thus, K+ and NO3- must be spectator ions ...
Snc2d Chapter 5 Practice Test
... b) In the diagram above, the Roman group number of P shows: c) The period number of P shows: d) Show a Bohr diagram above of P forming an ion, indicating beside your diagram the number of electrons gained or lost. Include the symbol with net charge and the name of the ion formed. e) With regard to i ...
... b) In the diagram above, the Roman group number of P shows: c) The period number of P shows: d) Show a Bohr diagram above of P forming an ion, indicating beside your diagram the number of electrons gained or lost. Include the symbol with net charge and the name of the ion formed. e) With regard to i ...
FINAL EXAM Review Sheet / Study Guide Honors Chemistry
... 43) Balance the following reactions and determine the type for each. a) ____Fe(OH)2 + ____NaCl ____FeCl2 + ____NaOH Type of reaction _____________________ b) _____C6H12O6 _____C + _____H2O Type of reaction _____________________ c) ____C4H10 + ____O2 ____H2O + ____CO2 Type of reaction ________ ...
... 43) Balance the following reactions and determine the type for each. a) ____Fe(OH)2 + ____NaCl ____FeCl2 + ____NaOH Type of reaction _____________________ b) _____C6H12O6 _____C + _____H2O Type of reaction _____________________ c) ____C4H10 + ____O2 ____H2O + ____CO2 Type of reaction ________ ...
Nature of Acids and Bases
... of ions in pure water is high. (3) The concentration of hydronium in pure water is higher than the concentration of hydroxide. (4) The concentration of ions in pure water is low. 2. The ion represented by the formula H3O+ is (1) hydroxide, (2) hydroxyl, (3) hydronium, (4) hydrogen III oxide. 3. In p ...
... of ions in pure water is high. (3) The concentration of hydronium in pure water is higher than the concentration of hydroxide. (4) The concentration of ions in pure water is low. 2. The ion represented by the formula H3O+ is (1) hydroxide, (2) hydroxyl, (3) hydronium, (4) hydrogen III oxide. 3. In p ...
File
... It’s time to practice what you have already learned about moles, chemical reactions and dimensional analysis. We will learn one new conversion factor and then combine it with other concepts. Molar Volume is the volume of one mole of gas. Since the space between molecules in a gas is very great compa ...
... It’s time to practice what you have already learned about moles, chemical reactions and dimensional analysis. We will learn one new conversion factor and then combine it with other concepts. Molar Volume is the volume of one mole of gas. Since the space between molecules in a gas is very great compa ...
Document
... calorimeter with a heat capacity of 11.3 kJ/℃. When a 1.50-g sample of methane gas burned with excess oxygen in the calorimeter, the temperature increased by 7.3℃. When a 1.15-g sample of hydrogen gas was burned with excess oxygen, the temperature increase was 14.3℃. Calculate the energy of combusti ...
... calorimeter with a heat capacity of 11.3 kJ/℃. When a 1.50-g sample of methane gas burned with excess oxygen in the calorimeter, the temperature increased by 7.3℃. When a 1.15-g sample of hydrogen gas was burned with excess oxygen, the temperature increase was 14.3℃. Calculate the energy of combusti ...
Irreversible Changes
... materials, such as vinegar and bicarbonate of soda, and burning are all chemical reactions. As children experience these activities it is worth discussing this with them as an on-going idea so that they begin to develop and build on the concept. In a chemical change, the bonds between the particles ...
... materials, such as vinegar and bicarbonate of soda, and burning are all chemical reactions. As children experience these activities it is worth discussing this with them as an on-going idea so that they begin to develop and build on the concept. In a chemical change, the bonds between the particles ...
Topic 10: Making Electricity
... 2 State that electricity passing along metal wires is a flow of electrons 3 Explain the need to replace batteries in terms of the chemicals being used up in the reaction 4 State that some batteries are rechargeable, eg the lead-acid battery 5 Explain that ammonium chloride in a cell is an example of ...
... 2 State that electricity passing along metal wires is a flow of electrons 3 Explain the need to replace batteries in terms of the chemicals being used up in the reaction 4 State that some batteries are rechargeable, eg the lead-acid battery 5 Explain that ammonium chloride in a cell is an example of ...
Reactions Homework Packet
... 1. Calculate the oxidation state of each element in each of the following: ...
... 1. Calculate the oxidation state of each element in each of the following: ...
Topic Book periodicity
... d-d transition: The excitation of an e─ from the lower of two energy level groups to the upper. As the ligand approaches the metal, the five d orbitals split. The difference in energy between the two levels corresponds to the wavelength of visible light, as incoming light causes energy of a particul ...
... d-d transition: The excitation of an e─ from the lower of two energy level groups to the upper. As the ligand approaches the metal, the five d orbitals split. The difference in energy between the two levels corresponds to the wavelength of visible light, as incoming light causes energy of a particul ...
Electrolysis of water
Electrolysis of water is the decomposition of water (H2O) into oxygen (O2) and hydrogen gas (H2) due to an electric current being passed through the water.This technique can be used to make hydrogen fuel (hydrogen gas) and breathable oxygen; though currently most industrial methods make hydrogen fuel from natural gas instead.