WebMay 3, 2024 · Here are the Nat 5's in order of difficulty: As you can see, the hardest National 5 is Applications of Mathematics with 64 percent of students receiving an A to C grade in 2024. In 2024, this figure was even lower at 47 percent. In second and third position were Care and Mathematics, respectively. WebBook 1 Define; Fuel A chemical which burns to give out energy Define; Combustion Another name for burning. The reaction of a substance with oxygen, giving out energy. Define; Exothermic Any reaction which creates heat is called and exothermic reaction e.g. combustion Define; Fossil Fuel
Using balanced equations - Balanced equations - National 5 Chemistry …
WebUsing balanced equations. Balanced equations are used to allow chemists to calculate how much product they will produce from their reactants. The co-efficients in balanced equations represent the number of moles reacting and being produced, it is rare that this exact ratio will be used in a reaction. For example, some reactants can be very ... WebThe greater the number of 'successful' collisions, the faster the rate of a reaction. This is called the 'collision theory'. There are four factors that affect the rate (speed) of a chemical reaction: temperature. concentration. particle size. use of a catalyst. 1. 2. bitterwater-tully union school district
The Battle of Loos - Scots on the Western Front - National 5 …
WebNov 22, 2024 · The BBC Bitesize - Revision app for GCSE, TGAU, National 4/5 and Highers. The BBC Bitesize - Revision app for GCSE, TGAU, National 4/5 and Highers. google_logo Play. Games. Apps. Movies & TV. Books. Kids. none. search. ... Chemistry, Physics, Combined Science - Geography, History - French, German, Spanish, Irish, Welsh Second … WebNational 5 Metals We use metals in everyday life, for example in jewellery or cars. They have many uses due to their properties which include strength, malleability, conduction of … WebChemistry Data Booklet National 5 For use in National Qualification Courses Publication date: 2024 Publication code: BB8395 Published by the Scottish Qualifications Authority The Optima Building, 58 Robertson Street, Glasgow G2 8DQ Lowden, 24 Wester Shawfair, Dalkeith, Midlothian EH22 1FD data types used in r