Atomisation Samenvattingen, Aantekeningen en Examens

The document contains notes to help you ace A Level Chemistry Unit 1.

Enthalpy of formation - Enthalpy change when one mole of a substance is formed from its constituent elements with all substances in their standard states Enthalpy of combustion - Enthalpy change when one mole of a substance undergoes complete combustion in oxygen with all substances in their standard states 1st Ionisation enthalpy - Enthalpy change when one mole of gaseous atoms loses one electron per atom to form one mole of gaseous 1+ ions 2nd Ionisation enthalpy - Enthalpy change whe...

SFDC Exam Questions and answers, VERIFIED. Which information not captured on user record in Salesforce? a. Locale b. Hire date c. Employee number d. Delegated approval - -B Is it possible to create the 3 custom fields a. Auto number b. Percentage c. multi-select pick list - -A,B,C Managed package is always a. Free b. Built by SFDC c. Restricted from atomisation d. Able to upgrade to other version - -D Conditional highlighting is used only in a. Dashboard summary b. Dashboard ...

Full handwritten notes covering the 'Thermodynamics' chapter of the AQA A-Level Chemistry course. Includes detailed explanations, diagrams and examples.

Isotopes atoms of the same element with the same number of protons but a different number of neutrons Atomic number the number of protons in the nucleus of an atom 00:04 01:36 Mass number the sum of the protons and neutrons in the nucleus of an atom Relative isotopic mass mass of one atom of an isotope relative to 1/12 the mass of carbon-12 Relative atomic mass (Ar) the weighted mean mass of an atom of an element relative to 1/12 the mass of carbon-12 ...

This document contains helpful practice questions with explanations for ionisation energies, electronegativity, atomic and ionic radii, with analysis of graphs and periodic trends.

AQA A level Chemistry 3.1.8 – Thermodynamics Already Passed What are standard conditions? 298K/25°C 100kPa/1 atm 1 moldm-3 Enthalpy change of formation The enthalpy change when 1 mole of a compound is formed from its constituent elements under standard conditions, with all reactants and products in their standard states. Enthalpy change of combustion The enthalpy change when 1 mole of a substance is burned completely in oxygen. Enthalpy change of atomisation The enthalpy change that accomp...

AQA A LEVEL CHEMISTRY - THERMODYNAMICS FOR REVISION AND GUARANTEED GRADES AQA A LEVEL CHEMISTRY - THERMODYNAMICS made easier and familiar

Definitions of lattice energy, enthalpy of formation, first ionisation energy,second ionisation energy, electron affinity and second electron affinity. Describes the factors affecting lattice enthalpy. Describes the ionisation and electron affinity reactions as exothermic or endothermic. Graphs of both electron affinity and ionisation energy. Diagram of born haber cycle and equation with worked ionship between enthalpy change of tion and lattice energy through hess cycle.Trend of entropy in grou...

AQA A-LEVEL CHEMISTRY PAPER 3 VERSION 1 A-level CHEMISTRY Paper 3 Wednesday June 2022 Morning Time allowed: 2 hours Materials For this paper you must have: • the Periodic Table/Data Booklet, provided as an insert (enclosed) • a ruler with millimetre measurements • a scientific calculator, which you are expected to use where appropriate. Instructions • Use black ink or black ball-point pen. • Fill in the boxes at the top of the page. • Answer all...