Maths projects to try education training learning onderwijs. This summarises the key topics for the organic chemistry unit, including crude oil, the structure of alkanes, fractional distillation. How students are looking after their mental health in lockdown. Polythene polyethene is made by forming a long chain of ethene molecules. For example, butane is an alkane with four carbon atoms. Gcse chemistry revision worksheets states of matter. You will have learnt about solids, liquids and gas for ks3 science and this topic at gcse builds on that knowledge. Cracking maths 2nd class practice book gill education. This is because alkanes are saturated whereas alkenes are unsaturated which means that they can carry out addition reactions, required for polymerisation. You could dismiss the other three answers because at gcse, you are expected to know that the products of thermal cracking of an alkane will produce only a shorter chain alkane and an alkene so any answer containing other products, like carbon dioxide and hydrogen, are false. Alkenes along with alkanes can be produced from cracking.
Gcse polymerisation revise reaction of monomer molecules. In cracking you always make and alkene and an alkanethermal crackingthis is where we use heat to crack a molecule. All levels of the series are supported by engaging and stimulating digital resources, an invaluable teachers handbook and fantastic online. Polymerisation is the name given to the reaction that produces polymers. Cambridge international a level chemistry primrose kitten. All levels of the series are supported by engaging and stimulating digital resources, an invaluable teachers handbook and fantastic online materials. The process chemical reaction that turns monomers into polymers. C 5 h 10 the following formula satisfies the general formula of alkene and consists of 5 carbon atoms. Edexcel igcse chemistry crude oil expert guidance by. Polymerisation polymerisation polymerisation the process or technique through which monomer units combine to give a polymer is known as polymerisation. Polymers are made from many smaller molecules, called monomers. Science and maths by primrose kitten 462,791 views. Dna consists of two associated polynucleotide strands that wind together through space to form a structure often described as a double helix.
Cracking hydrocarbons edexcel gcse chemistry revision notes. In industry they use silica silicon oxide or alumina aluminium oxide. Alevel chemistry revision science section on polymers. These monomers the starting materials are often alkenes. Access all of the digital resources for your gill education titles on our easytoaccess digital resources platform, gillexplore. A short videoaudio guide explaining the essentials of cracking and polymerization. Polymerisation and cracking gcse science marked by. This summarises the key topics for the organic chemistry unit, including crude oil, the structure of alkanes, fractional distillation, properties of hydrocarbons, cracking, alkenes and polymerization. C 3 h 8 the following formula satisfies the general formula of alkane, and consists of 3 carbon atoms. See more ideas about chemistry, teaching science and teaching chemistry.
Cracking maths junior infants by gill education on schoolbooks. The products of cracking include alkanes and another type of. Polymers are very large molecules sometimes called macromolecules. We have the knowhow to help and get you through revision towards high grade results. Cracking is the term when a long unuseful molecule like bitumen are broken down into short more useful molecules like petrol. Alkenes can take part in reactions that alkanes cannot. Written by teachers for the edexcel igcse chemistry course. Targeted towards aqa c1 topic 5 but suitable for edexcel and other exam boards too. We are a well trusted platform for millions of students and hundreds of schools. This is achieved by using high pressures and temperatures without a catalyst, or lower temperatures and pressures in the presence of a catalyst. These monomers the starting materials are often alkenes the process chemical reaction that turns monomers into polymers.
How to convert long chain alkanes into shorter chain alkanes and alkenes. Cracking molecules and plastics chemistry gcse ask will. Structure of polymers thermosoftening thermosetting. Answers to the additional problems set in the textbook are available to lecturers who have registered on the site as adopters of the book. They are made of small building blocks called monomers.
Cracking maths gamezone math, busy teacher, digital. For example, ethene molecules can react together to form polyethene, a polymer. C 3 h 7 oh the following is an alcohol as we can see a oh group is attached to it, with three. Dna is made by repeating units of monomers called nucleotides. Gillexplore is gill educations digital resources platform developed specifically with the busy teacher in mind, providing easy access for you and your students to all of gill educations digital resources for education.
This type of polymerisation is called addition polymerisation. Part 1 is where students make ethene then link to make polythene using molymods. Each polymer molecule is a long chain of mainly carbon atoms polymers are made from many smaller molecules, called monomers. What is organic chemistry, homologous series, what are alkanes, what are isomers, properties of alkanes, cracking hydrocarbons, what are alkenes, isomers in alkenes, what are alcohols. Alkane is the simplest of all the homologous series. Here you can find support from experts and your peers on any issues you are facing related to exam and studying for gcse and alevels maths and science. You have to know about the uses of polymers as well as their chemical structures. It does not have any functional group, hence alkanes are quite inert in nature. Oct 03, 2015 a short videoaudio guide explaining the essentials of cracking and polymerization. The starter is a dingbat that is shown whilst students listen to music to help them. Gcse science chemistry 91 crude oil and hydrocarbons. Remember that n is used where we want to indicate an unknown number that can have a number of possible values. Designed by expert teachers for the edexcel gcse 91 chemistry syllabus.
Long chain hydrocarbons can be broken into smaller hydrocarbons, by heating with a catalyst. From monomers to polymers in the process of polymerisation is where this topic usually begins, before other aspects such as thermosoftening and thermosetting polymers are covered. You need to know about particle arrangement and how heat energy affects the distribution of these particles in each state of matter. Cracking and polymerization video teaching resources. When he isnt doing physics or maths he enjoys juggling and solving rubiks cubes. Cracking maths 1st class practice book by gill education on schoolbooks. Cardbased learning which teaches the core parts of the maths curriculum through question, example and answer given in a context.
A monomer is the building block or in other words the repeating unit that is used to make the polymer. Gcse crude oil revise the thermal cracking reaction. Igcse organic chemistry solutions, examples, worksheets, videos. Awaiting stock an active product, which we are temporarily outofstock oos of. Table of contents 3 chapter 1 the particulate nature of matter 4 chapter 2 experimental techniques 5 chapter 3 atoms, elements and compounds 7 chapter 4 stoichiometry 8 chapter 5 electricity and chemistry 9 chapter 6 chemical energetics 10 chapter 7 chemical reactions 12 chapter 8 acids, bases and salts 14 chapter 9 the periodic.
Each polymer molecule is a long chain of mainly carbon atoms. The cc double bond in ethene is involved in the polymerisation reaction. Cracking maths focuses on the skills of the curriculum, rather than just the content, promoting real understanding, especially in areas such as problemsolving. There are many forms of polymerization and different systems exist to categorize them. Cracking maths is a complete maths programme that expertly addresses all the demands of the maths curriculum for todays busy teacher. More lessons for igcse chemistry math worksheets a series of free igcse chemistry lessons cambridge igcse chemistry. Edexcel gcse maths topic questions past papers revision notes. New91 aqa gcse chemistry c11 polymers kerboodle answers. Addition polymerisation more organic chemistry aqa gcse. Mechanism of addition polymerization sem1 0 comments polymerization is a process of reacting monomer molecules together in a chemical reaction to form polymer chains or threedimensional networks. Please comment if you have any questions, and subscribe if you. General methods of polymerisation these are the following methods through which monomers combine to give polymers. To familiarise you with it, weve created this interactive quiz.
Organic chemistry from the combined science aqa gcse chemistry specification. The process is known as catalytic cracking because it only happens in the presence of a catalyst substance which speeds up the reaction without being used up itself. Gcse chemistry polymers all links to revision topics. What is a polymer polymers are very large molecules sometimes called macromolecules. Its a process studied in gcse chemistry, so you need to understand it. The pack contains 320 different maths cards divided into 160 question cards and 160 answer cards. Polymers chemistry alevel revision gcse and alevel. Maths 443 physics 316 psychology 237 theory of knowledge 882. Cracking maths 1st class practice book schoolbooks.
It only has simple ch bonds throughout its whole structure. Cracking maths 6th class enrichment book maths sixth. This gcse chemistry topic, states of matter, is all about solids, liquids and gases. Polymers igcse chemistry solutions, examples, worksheets. Cracking is a reaction in which larger saturated hydrocarbon molecules are broken down into smaller, more useful hydrocarbon molecules, some of which are unsaturated. When these types of monomers react they join together, usually losing a small molecule such as water, and so the reactions are called condensation reactions. Polymerisation happens when monomers react to form long chain polymer molecules. Table of contents 3 chapter 1 the particulate nature of matter 4 chapter 2 experimental techniques 5 chapter 3 atoms, elements and compounds 7 chapter 4 stoichiometry 8 chapter 5 electricity and chemistry 9 chapter 6 chemical energetics 10 chapter 7 chemical reactions 12 chapter 8 acids, bases and salts 14 chapter 9 the periodic table 15 chapter 10 metals. Dec 31, 2015 summary video on cracking for gcse chemistry.
Gcse science, gcse math, maths, science chemistry, aqa, fractions, calculator, biology best way to revise, gcse science, stabilo boss, exam papers, oil water, crude oil, aqa, confirmation, maths igcse physics igcse biology biology textbook a level biology revision physics revision a level physics chemistry past papers a level business studies. May 01, 2014 organic chemistry gcse complete scheme of work 2016 specification includes carboxylic acids, alcohols, condensation polymers, biological molecules. Cracking and alkenes gcse chemistry single science revision. Applied mathematics at the university of birmingham. Cracking maths gamezone math, busy teacher, digital resources. A hydrocarbons are broken down 1 mark to produce smaller more useful molecules 1 mark. Catalytic cracking thermal cracking there are many types of catalysts, some common ones are zeolites and a mixture of silicon dioxide and aluminium oxide.
Cracking oil and cracking gcse chemistry single science. Naming an organic compound by interprating the formula. The bulk of the major monomer and intermediate, ethylene c 2 h 4, is still produced in the uk by steam cracking without the use of catalysts. Cracking is the name given to breaking up large hydrocarbon molecules into smaller and more useful bits. Each unit starts with an oral language session to encourage class discussion and develop the language of maths. Its written by teachers especially to help year 10 and year 11 students revise.
Cracking and alkenes crude oil, hydrocarbons and alkanes. Two methods of cracking how to write a balanced equation for cracking what an alkene is. Gcse chemistry specification specification for first. It allows ethene molecules to join together to form a single product, so it is an example of an addition reaction. The polymerisation reaction cannot be controlled easily. Paraffinic feedstocks are best for optimising ethylene yields, and the severity of cracking is specified by the rate of disappearance of a marker compound, usually npentane. Petrochemicals and polymers, petroleum, alternative fuels and energy sources, addition polymerisation, condensation polymerisation. We are likely to have fresh stock of this product again shortly i. Chemistry revision notes on the topic cracking hydrocarbons. Alcohol produced from ethene is 100% and does not need to be distilled the ethene process is a continuous process and is only stopped if something goes wrong. Your students can be examready with this fantastic resource.
Polymers are large molecules that are made up of many repeated small molecules. Many small individual molecules, called monomers, are joined up to form a polymer. Polymers and properties of polymers are a chunky topic in the gcse chemistry syllabus. Best igcse organic chemistry notes complete breakdown. Long chain hydrocarbons can be broken into smaller hydrocarbons, by heating with a. Igcse organic chemistry solutions, examples, worksheets. Revise and summarise the key information for unit 7. Cracking maths is a pack designed to help students develop their maths skills. Give an example of a method by which cracking can be carried out. Scools curated content, written by teachers and experts, gives you the revision shortcut you crave. Jul 20, 2016 this pin was discovered by jenny gallagher. Condensation polymerisation involves a reaction between monomers with two different functional groups. In stock an active product, which we have in stock, ready for immediate despatch. Alkenes are required for polymerization and synthesize other hydrocarbons which fractional distillation cannot meet.
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