Edexcel IGCSE Chemistry 復習筆記 3.1.5 Bond Energy
Edexcel IGCSE Chemistry 復習筆記 3.1.5 Bond Energy Bond Energy Energy is needed to?break bonds?which is absorbed from the reaction surroundings, so bond breaking is an?endothermic?process Th...
Edexcel IGCSE Chemistry 復習筆記 3.1.5 Bond Energy Bond Energy Energy is needed to?break bonds?which is absorbed from the reaction surroundings, so bond breaking is an?endothermic?process Th...
Edexcel IGCSE Chemistry 復習筆記 3.1.4 Energy Level Diagrams Energy Level Diagrams Energy Level Diagrams Energy level diagrams (sometimes called reaction profiles) are graphical representati...
Modelling with Differential Equations Why are differential equations used to model real-world situations? A?differential equation?is an equation that contains one or more derivatives Derivatives de...
Edexcel IGCSE Chemistry 復習筆記 3.1.3 Energetics Calculations Calculate Heat Energy Change In order the calculate heat energy changes you need to know the mass of the substance being heated...
Separation of Variables What is separation of variables? Separation of variables?can be used to solve certain types of first order differential equations If the equation is in that form you can use...
Edexcel IGCSE Chemistry 復習筆記 3.1.2 Calorimetry Calorimetry Calorimetry?is a technique used to measure changes in enthalpy of chemical reactions There are two types of calorimetry experim...
Edexcel IGCSE Chemistry 復習筆記 3.1.1 Exothermic & Endothermic Exothermic & Endothermic The changes in heat content can be determined and?measured?with a thermometer Note that the o...
Edexcel IGCSE Chemistry 復習筆記 2.8.5 Tests for Water Tests for Water Water can be identified using a chemical test and/or a physical test Chemical test for water Anhydrous?copper(II...
全美歷史最悠久、最負盛名、有中學生“小諾獎”的科研賽事再生元科學天才獎Regeneron STS ,相信不少美高學生對它并不陌生。 STS為未來STEM領域的領航者提供了一個國際的舞臺,這里匯聚了全美最優秀、最聰明的年輕...
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