Key formulae - Study guides, Revision notes & Summaries

This is a crib sheet for A-Level Maths containing key formulae and information which is a perfect resource when preparing for exams. It goes through each topic of the syllabus and gives you all the useful information you need to solve all types of problems.

OCR (Oxford Cambridge and RSA) is a leading UK awarding body, providing a wide range of qualifications to meet the needs of candidates of all ages and abilities. OCR qualifications include AS/A Levels, Diplomas, GCSEs, Cambridge Nationals, Cambridge Technicals, Functional Skills, Key Skills, Entry Level qualifications, NVQs and vocational qualifications in areas such as IT, business, languages, teaching/training, administration and secretarial skills. It is also responsible for developing new...

What do we mean by ethics? Ethics are moral principles, or rules, which govern a person's attitudes and behaviour What is a source code? The list of programming commands that are compiled into an executable program Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:01 / 0:15 Full screen What is open source software? · Software which is distributed with no restrictions · Users have access to source code . Users can make m...

A2 OCR Physics notes that cover everything students need in top-grade detail: -Full practical methods and sample results, as well as how these are represented. Variables and their affects are covered -Annotated diagrams of physical processes and particles -Key words -Key formulae and equations students need for math-based questions

GCSE BIOLOGY 8461/2H Paper 2 Higher Tier Mark scheme Version: 1.0 Final Mark schemes are prepared by the Lead Assessment Writer and considered, together with the relevant questions, by a panel of subject teachers. This mark scheme includes any amendments made at the standardisation events which all associates participate in and is the scheme which was used by them in this examinat...

AS MATHEMATICS Paper 2 Time allowed: 1 hour 30 minutes For Examiner’s Use Question Mark 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 TOTAL Materials  You must have the AQA Formulae for A‑level Mathematics booklet. l You should have a graphical or scientific calculator that meets the requirements of the specification. Instructions  Use black ink or black ball‑point pen. Pencil should only be used for drawing.  Fill in the boxes ...

AQA A LEVEL BIOLOGY Paper 3 MS 2021 S - The Marketplace to Buy and Sell your Study Material Downloaded by: BetterAcademics | Distribution of this document is illegal S - The Marketplace to Buy and Sell your Study Material MARK SCHEME – A-LEVEL BIOLOGY – 7402/3 – JUNE 2021 Downloaded by: BetterAcademics | Distribution of this document is illegal A-level BIOLOGY 7402/3 Paper 3 Mark scheme June 2021 Version: 1.0 Final 2 S - The Marketplace to Buy and Sell your Study Materia...

GCSE PHYSICS 8463/2H Paper 2 Higher Tier Mark scheme June 2023 Version: 1.0 Final *236G8463/2H/MS* Mark schemes are prepared by the Lead Assessment Writer and considered, together with the relevant questions, by a panel of subject teachers. This mark scheme includes any amendments made at the standardisation events which all associates participate in and is the scheme which was used by them in this examination. The standardisation process ensures th...

NREMT Practice Exam Questions and Answers 2022/2023 NREMT Practice Exam Questions and Answers 2022/2023 Which of the following indicates that a patient is in decompensated shock? A: Restlessness and anxiety B: Diaphoresis and pallor C: Tachycardia and tachypnea D: Falling blood pressure - ANSWER D | Reason: During shock, the compensatory mechanisms of the body attempt to maintain the blood pressure. This is accomplished by increases in heart rate, shunting of blood...

What is an alkene and its general formula? It is an unsaturated hydrocarbon with a least one C=C bond. General formula is CnH2n What is a sigma bond? σ single covalent bond formed when two s orbitals overlap. High electron density What is a pi bond? sideways overlap of p orbitals that occur in a double or triple bond. Much weaker than sigma, low bond enthalpy and lower electrostatic attraction Is an alkane or an alkene more reactive? Alkene. contains both sigma and pi bonds with high ele...