IB DP Chemistry: HL復習筆記9.1.5 Half Equations
Half Equations Oxidation numbers can be used to balance chemical equations Go through these steps to balance a redox equation: Write the unbalanced equation and identify the atoms which change in o...
IB DP Chemistry: HL復習筆記9.1.4 Naming Transition Metal Compounds
Naming Transition Metal Compounds Transition metals?are characterized by having?variable oxidation numbers. Oxidation numbers?can be used in the names of compounds to indicate which?oxidation numbe...
IB DP Chemistry: HL復習筆記9.1.3 Oxidizing & Reducing agents
Oxidizing & Reducing Agents Oxidising agent An oxidising agent?is a substance that?oxidises?another atom or ion by causing it to lose electrons An oxidising agent itself gets?reduced – gains el...
IB DP Chemistry: HL復習筆記9.1.2 Deducing Oxidation Numbers
Deducing Oxidation Numbers The oxidation numbers of all other atoms in their compounds can vary By following the oxidation number rules, the oxidation number of any atom in a compound or ion can be...
IB DP Chemistry: HL復習筆記9.1.1 Oxidation & reduction
Oxidation & Reduction There are three definitions of?oxidation?and?reduction? used in different branches of chemistry Oxidation?and?reduction?can be used to describe any of the following proces...
IB DP Chemistry: HL復習筆記8.3.3 Reducing Sulfur Oxide Emissions
Reducing Sulfur Oxide Emissions The removal of sulfur from fossil fuels can either take place?pre-combustion?or?post-combustion The oxides of sulfur,?SO2?and?SO3, are both?acidic?and?toxic gases? S...
IB DP Chemistry: HL復習筆記8.3.2 Effects of Acid Deposition
Effects of acid deposition Effect on materials Acid deposition?can react with metals and rocks (such as?limestone) causing buildings and statues to get damaged The impact of acid deposition can be ...
2022年A-Level秋季重考指南！
夏季大考即將放榜。但是如果放榜后，對自己的成績不滿意，也不用就此擺爛，下半年的A-Level考試還可以選擇重考，通過參加秋季考試來刷新成績。 那么，重考對于申請是否有影響？重考有什么規則？接下來，帶大家來...
IB DP Chemistry: HL復習筆記8.3.1 Acid Deposition
Acid Deposition What is acid deposition? Rain is naturally acidic because of dissolved CO2?which forms?carbonic acid H2O (l) + CO2?(g) ??? H2CO3?(aq) Carbonic acid?is a?weak acid?and dissociates in...
