empressteemah (64)in #steemstem • 5 years ago • NoneANALYSING, IDENTIFYING AND SEPARATING SUBSTANCES IIIToday's post will be centred majorly on spectroscopy and chromatography. So, let's get to start with the discussion on…empressteemah (64)in #steemstem • 5 years ago • NoneANALYSING, IDENTIFYING AND SEPARATING SUBSTANCES IIHello, dear readers. I will be starting today's post on the explanation of a special type of spectrometer called The…empressteemah (64)in #steemstem • 5 years ago • NoneANALYSING, IDENTIFYING AND SEPARATING SUBSTANCES.Medicines from plants: The first recorded use of plants for medicinal purposes was found on Egyptian papyrus dated…empressteemah (64)in #steemstem • 5 years ago • NoneALKANES, THE CAR ENGINE AND ATMOSPHERIC POLLUTION #3Carbon dioxide is not the most potent greenhouse gas. If its concentration in the Earth’s atmosphere were to double…empressteemah (64)in #steemstem • 5 years ago • NoneALKANES, THE CAR ENGINE AND ATMOSPHERIC POLLUTION #2Hello, great readers. Greetings to the entire steemstem and stem communities. Thanks for the constant support and…empressteemah (64)in #steemstem • 5 years ago • NoneALKANES, THE CAR ENGINE AND ATMOSPHERIC POLLUTIONWinter smogs and summer smogs: People have become too reliant on the car. In the UK, for example, nearly a quarter of…empressteemah (64)in #steemstem • 5 years ago • NoneDIFFERENCES BETWEEN ALDEHYDES AND KETONESSo far, I have treated carbonyl compounds together and looked at reactions of the C=O functional group in both…empressteemah (64)in #steemstem • 5 years ago • NoneALDEHYDES AND KETONES: Sex Hormones and The PillThe most publicized hormones must be progesterone and testosterone. The reason for their fame is sex. Progesterone…empressteemah (64)in #steemstem • 5 years ago • NoneTHE CHEMICAL REACTIONS OF HALOGENOALKANES, CFCS; AND THE NATURE OF OZONE.Monohalogenoalkanes are best prepared by replacing the hydroxyl group in an alcohol with a halogen atom. A variety…empressteemah (64)in #steemstem • 5 years ago • NoneHALOGENOALKANES: Free Radical Reaction Mechanisms, Fluorination of Alkanes and the Uses of Organofluorines.The mechanism of a reaction details the smaller steps in the process that results in the formation of the end…empressteemah (64)in #steemstem • 5 years ago • NoneHALOGENOALKANES: Fluorohydrocarbons and ChlorofluorocarbonsAfter a serious accident, such as a plane crash in a remote area. Blood transfusions may have to be carried out under…empressteemah (64)in #steemstem • 5 years ago • NoneTHE CHEMISTRY OF COLOUR: Using A Colorimeter To Determine The Formula Of A Complex Ion.A colorimeter is a simple form of visible spectrometer. A fixed band of wavelengths of visible light is selected…empressteemah (64)in #steemstem • 5 years ago • NoneTHE CHEMISTRY OF COLOUR: Colour in Azo Compounds and How Dyes are Stuck onto Textiles.The first commercially successful azo dye was Chrysoidine. The azo group, – N=N –, acts as a ‘delocalisation bridge’…empressteemah (64)in #steemstem • 5 years ago • NoneThe World of Oil and the Petrochemical Industry #2Hello guys. While scrolling through my past posts on steemit, I stumbled across one that really caught my attention.…empressteemah (64)in #steemstem • 5 years ago • NoneREACTIVE METAL: The Barium Meal, Common-Ion Effect and The Properties of Aluminium and Boron.Doctors often need to use X-rays to look inside the intestine and the stomach for cancers, ulcers and blockages.An…empressteemah (64)in #steemstem • 5 years ago • NoneREACTIVE METALS: Solubility of Ionic SaltsMost ionic salts dissolve in polar solvents such as water. A solvent is a liquid that can dissolve other substances.…empressteemah (64)in #steemstem • 5 years ago • NoneTHE REACTIVE METALS: Compounds of Alkali Metals and the Thermal Decomposition of Ionic Salts.The common feature of almost all compounds of the alkali metals is their high solubility in water. All the compounds…empressteemah (64)in #steemstem • 5 years ago • NoneTHE CARBON DIOXIDE SINK AND THE REACTIVE METALSSome people think of carbon dioxide as just the greenhouse gas that causes global warming problems, although of course…empressteemah (64)in #steemstem • 5 years ago • NoneALKENES: Hydrogenation, Polymerization and the Manufacture of Poly(chloroethene) from Ethene.Alkenes can also undergo other sorts of addition reactions, such as catalytic hydrogenation. In this case, hydrogen…empressteemah (64)in #steemstem • 5 years ago • NoneALKENES: The Preparation, Properties, Reactions and Tests.The alkenes form a homologous series. The first three members are gases, but all the higher members are liquids or…