Core Practical 8: Determining Enthalpy Change of Reaction Measuring enthalpy changes Calorimetry?is a technique used to measure changes in enthalpy of chemical reactions A?calorimeter?can be...
Core Practical 3: Hydrochloric Acid Concentration Performing the Titration The key piece of equipment used in the titration is the burette Burettes?are usually marked to a precision of 0.10 ...
Core Practical 2: Preparing a Standard Solution Volumetric Analysis Volumetric analysis?is a process that uses the volume and concentration of one chemical reactant (a volumetric solution) t...
Core Practical 1: Measuring the Molar Volume of a Gas Measuring gas volumes The volume of gas produced in a reaction can be measured by collecting the gas with a gas syringe or by the displa...
英美作為藝術留學的主流國，一直是國內藝術留學家庭青睞的首選國家。英國本科的UCAS網申系統本月6日已正式開放！原則上，所有英國大學的所有本科學位課程，包括專升本，都要通過UCAS申請。 2023UCAS申請時間線 20...
美國規模最大的女生數學賽事， Math Prize for Girls 將于10月在MIT舉辦！ 或許你對它有些陌生， 不過它和大家所熟悉的AMC有著不可分割的關系！ 一起來了解一下吧！ Math Prize for Girls 該賽事活動接受美國及加...
NEC全美經濟學挑戰報名啟動?? 截止日期：11月30日?? 10月15日前可享受早鳥價優惠 報名費立減100元！ 全球歷史最悠久的經濟學活動 讓全世界看到中國青年學子的能力 通往國際的舞臺已為你打開大門 歡迎加入2023 NEC...
開學季來臨！大家是不是“書荒”了呢？ 哈佛大學發布2022暑期書單 各學院教授每年都會推薦一些經典讀物 相信每位同學都能 在這個列表中找到喜歡的那本書！ www.harvard.edu/in-focus/summer-reads/book-recommendat...
Interpreting an IR Spectrum Infrared (IR) spectroscopy?is a technique used to identify compounds based on changes in?vibrations?of atoms when they?absorb?IR of certain?frequencies A?spectrop...
Mass Spectrometry Mass spectroscopy?is an analytical technique used to identify unknown compounds The molecules in the small sample are?bombarded?with high energy electrons which can cause t...
Organic Liquid Preparation & Purification Simple Distillation This is used to separate a liquid and?soluble solid?from a solution (e.g. water from a solution of salt water) or a pure liq...
Reactions of Alcohols Combustion of alcohols Alcohols react with oxygen in the air when ignited and undergo?complete combustion?to form carbon dioxide and water alcohol + oxygen → carbon dio...
