Pocl3 Study guides, Class notes & Summaries

AP Classroom for Chemical Thermodynamics Test | 2023. The reaction between SO2 and O2 is represented by the chemical equation above. The table provides the approximate absolute entropies, S°, for O2(g) and SO3(g). Which of the following mathematical expressions can be used to correctly calculate S° for SO2(g) ? The synthesis of NH3 is represented by the equation above. Based on the equilibrium constant, K, and ΔH°rxn given above, which of the following can best be used to justify that...

Chapter 1—The Foundations of Chemistry MULTIPLE CHOICE 1. Which of the following statements is incorrect? a. A body in motion possesses kinetic energy because of its motion. b. An object possesses potential energy because of its position or composition. c. Nuclear energy is an important kind of potential energy. d. Chemical reactions and physical changes that release energy to their surroundings are endothermic. e. The Law of Conservation of Matter and Energy states that the combined ...

A level Edexcel Chemistry paper 1 acid + metal - correct answersRCOOH+Na->RCOONa+H2 acid + metal carbonate - correct answersRCOOH+Na->RCOONa+H2O+CO2 acid + metal oxide/hydroxide - correct answersRCOOH+Na->RCOONa+H2O Acid hydrolysis of ester - correct answersR1COOR2(fruity smell)+ H2O<>R1COOH+R2OH dilute acid(HCl) catalyst, heat under reflux, in equilibrium Acyl chloride condensation advantage - correct answersfaster rate, no catalyst/heat required, easier to separate pro...

Chapter 3—Chemical Equations and Reaction Stoichiometry MULTIPLE CHOICE 1. Which of the following is not a consequence of the Law of Conservation of Matter? a. It provides a basis for balancing chemical equations. b. It means that there will be no observable change in the quantity of matter during a chemical reaction. c. As a result, there will be the same number of moles on both the reactant and the product side of a balanced equation. d. It can be stated as "matter is neither creat...

A level Edexcel Chemistry paper 1 acid + metal - correct answersRCOOH+Na->RCOONa+H2 acid + metal carbonate - correct answersRCOOH+Na->RCOONa+H2O+CO2 acid + metal oxide/hydroxide - correct answersRCOOH+Na->RCOONa+H2O Acid hydrolysis of ester - correct answersR1COOR2(fruity smell)+ H2O<>R1COOH+R2OH dilute acid(HCl) catalyst, heat under reflux, in equilibrium Acyl chloride condensation advantage - correct answersfaster rate, no catalyst/heat required, easier to separate pro...

Notes from my organic I class, especially chapter 9

Edexcel Organic Chemistry A Level Reactions latest 2022Thermal Cracking - High temperatures (1000C) - High pressure (up to 70atm) - Produces ALKENES - E.g. ethene --> polyethene Catalytic Cracking - Zeolite catalyst - Slight pressure - High temperature (450C) - Produces AROMATICS Reformation Alkanes --> cycloalkanes/ aromatic hydrocarbons - Straight chain alkanes are a lot more likely to 'knock' - Pt Catalyst (ct) Alkene → Alkane - Hydrogen - 150C - N...

Alcohols and Ethers; Epoxides; H2SO4; POCl3