IB DP Chemistry: HL復習筆記8.2.3 Interpreting pH
Interpreting pH The pH scale is a numerical scale that shows how?acidic?or?alkaline?a solution is The values on the pH scale go from 0-14 (extremely acidic substances have values of below 0) All ac...
IB DP Chemistry: HL復習筆記8.2.2 pH & [H?]
pH & [H?] The acidity of an aqueous solution depends on the number of?H+?(H3O+) ions in solution The?pH is defined as: where [H+] is the concentration of H+?in mol dm–3 The pH scale is a logari...
IB DP Chemistry: HL復習筆記8.2.1 Acid-base Titrations
Acid-Base Titrations The steps involved in performing a?titration?and?titration calculation?are outlined in?Topic 1.2.9 Titrations Acid-base titrations?follow the same steps and are used to find th...
IB DP Chemistry: HL復習筆記8.1.4 Neutralization
Neutralization A neutralisation reaction is one in which an acid (pH <7) and a base/alkali (pH >7) react together to form water (pH = 7) and a salt The proton of the acid reacts with the hydr...
IB DP Chemistry: HL復習筆記8.1.3 Characteristic Reactions of Acids
Characteristic Reactions of Acids Metals and acids The typical reaction of a metal and an acid can be summarized as acid + metal ?→? salt + hydrogen For example: 2HCl (aq)?????? +? ????Zn (s)??→???...
IB DP Chemistry: HL復習筆記8.1.2 Conjugate Acid-Base Pairs
Conjugate Acid-Base Pairs A?Br?nsted-Lowry acid?is a species that can donate a proton A?Br?nsted-Lowry base?is a species that can accept a proton In a reaction equilibrium the products are formed a...
IB DP Chemistry: HL復習筆記8.1.1 Br?nsted–Lowry Acids & Bases
Br?nsted–Lowry Acids & Bases The Br?nsted-Lowry Theory?defines acids and bases in terms of proton transfer between chemical compounds A?Br?nsted-Lowry acid?is a species that?gives away?a?proton...
A-level人文學科有哪些？人文學科重要嗎？
A-level人文學科重要嗎？ 重要！ A-level人文學科雖然沒有常規科目選的人多，但在申請大學時很多專業是有指定要求的。 A-level心理學 大學心理學學位不要求必須學習過A-level Psychology。很多專業要求一門scienc...
IB DP Chemistry: HL復習筆記7.1.6 Catalysts & Equilibrium
Catalysts & Equilibrium Changes in concentration If all other conditions stay the same, the equilibrium constant?Kc?is?not affected?by any changes in concentration of the reactants or products ...
牛津物理專業入學考試PAT應該如何準備？面試入圍分數線是多少？
每一位申請牛津大學physics或者physics and philosophy的學生，都必須參加物理能力測試PAT，無一例外。這是一個2小時的測試，評估學生在物理和數學方面的能力，是牛津大學與CAAT合作管理的考試。 2022年的考試日...
IB DP Chemistry: HL復習筆記7.1.5 Le Chatelier's Principle
Le Chatelier's Principle Position of the equilibrium The?position of the equilibrium?refers to the relative amounts of products and reactants in an equilibrium mixture. When the position of equilib...
IB DP Chemistry: HL復習筆記7.1.4 The Reaction Quotient
The Reaction Quotient The?reaction quotient,?Q, is the ratio of products and reactants for a reaction that has?NOT?yet reached equilibrium The expression for?Q?is very similar to?Kc: It is a useful...
