Edexcel A Level Chemistry:復(fù)習(xí)筆記5.2.2 pH
Defining pH The acidity of an aqueous solution depends on the number of?H+?ions in solution The?pH?is defined as: pH = -log[H+] where [H+] is the concentration of hydrogen ions in mol dm–3 S...
Edexcel A Level Chemistry:復(fù)習(xí)筆記5.2.1 Br?nsted–Lowry Acids & Bases
Br?nsted–Lowry Acid & Base Theory The Br?nsted-Lowry Theory?defines acids and bases in terms of proton transfer between chemical compounds A?Br?nsted acid?is a species that can donate a ...
Edexcel A Level Chemistry:復(fù)習(xí)筆記5.1.3 Reaction Conditions & The Equilibrium Constant
Temperature & the Equilibrium Constant Changes in temperature?change?the equilibrium constants?Kc?and?Kp For an endothermic reaction such as: ???An increase in temperature: ???[H2] and [...
Edexcel A Level Chemistry:復(fù)習(xí)筆記5.1.2 Equilbrium Constant Calculations
Equilibrium Constant Calculations Calculations involving?Kc In the equilibrium expression each figure within a square bracket represents the concentration in?mol dm-3 The?units?of?Kc?therefo...
2023AP英語(yǔ)語(yǔ)言與寫作報(bào)名開啟！中國(guó)大陸考區(qū)報(bào)名進(jìn)行中
最新消息！College Board官網(wǎng)表示，AP考試將于2023年5月1日正式開始！2023AP英語(yǔ)語(yǔ)言與寫作報(bào)名開啟！中國(guó)大陸考區(qū)報(bào)名進(jìn)行中！這一次，時(shí)間安排如何？ AP英語(yǔ)語(yǔ)言與寫作是什么？ AP English Language and Compos...
2023年AP英語(yǔ)文學(xué)與寫作課程報(bào)名開啟！中國(guó)大陸考區(qū)報(bào)名進(jìn)行中
2023年AP英語(yǔ)文學(xué)與寫作課程報(bào)名開啟！不要錯(cuò)過(guò)這次的機(jī)會(huì)！AP英語(yǔ)文學(xué)為學(xué)生提供相當(dāng)于大學(xué)文學(xué)入門課程的學(xué)習(xí)經(jīng)驗(yàn)。讓學(xué)生仔細(xì)閱讀和批判性分析文學(xué)作品。通過(guò)對(duì)文學(xué)文本的細(xì)讀，加深對(duì)作家如何運(yùn)用語(yǔ)言為讀者...
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2023年AP宏觀經(jīng)濟(jì)學(xué)課程報(bào)名開啟！中國(guó)大陸考區(qū)報(bào)名進(jìn)行中
2023年AP宏觀經(jīng)濟(jì)學(xué)課程報(bào)名開啟！不要錯(cuò)過(guò)這次的機(jī)會(huì)！AP宏觀經(jīng)濟(jì)學(xué)側(cè)重于把經(jīng)濟(jì)學(xué)原理應(yīng)用于整個(gè)經(jīng)濟(jì)體系。AP微觀經(jīng)濟(jì)學(xué)側(cè)重于經(jīng)濟(jì)學(xué)原理在經(jīng)濟(jì)體系中個(gè)人決策者（包括消費(fèi)者和生產(chǎn)者）的相關(guān)功能中的應(yīng)用。本...
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2023年AP計(jì)算機(jī)科學(xué)原理課程報(bào)名開啟！中國(guó)大陸考區(qū)報(bào)名進(jìn)行中
2023年AP計(jì)算機(jī)科學(xué)原理課程報(bào)名開啟！不要錯(cuò)過(guò)這次的機(jī)會(huì)！AP計(jì)算機(jī)科學(xué)原理向?qū)W生介紹計(jì)算機(jī)科學(xué)領(lǐng)域的廣度。在本課程中，學(xué)生將學(xué)習(xí)設(shè)計(jì)和評(píng)估解決方案，并通過(guò)開發(fā)算法和程序，應(yīng)用計(jì)算機(jī)科學(xué)解決問(wèn)題。他們...
2023年AP微觀經(jīng)濟(jì)學(xué)課程報(bào)名開啟！中國(guó)大陸考區(qū)報(bào)名進(jìn)行中
AP微觀經(jīng)濟(jì)學(xué)是一門大學(xué)水平的課程，它向?qū)W生介紹應(yīng)用于個(gè)人經(jīng)濟(jì)決策者相關(guān)功能的經(jīng)濟(jì)學(xué)原理。AP微觀經(jīng)濟(jì)學(xué)相當(dāng)于一學(xué)期的大學(xué)經(jīng)濟(jì)學(xué)導(dǎo)論課程。2023年AP微觀經(jīng)濟(jì)學(xué)課程報(bào)名開啟！中國(guó)大陸考區(qū)報(bào)名進(jìn)行中！ 考試時(shí)...
