From 1610c8fdde8788871b61964257d8fd30c9d3c1b1 Mon Sep 17 00:00:00 2001 From: Eggy <eggyrules@gmail.com> Date: Wed, 16 Oct 2019 15:21:03 +0000 Subject: [PATCH 1/4] Update Unit 1: Chemistry Part 2.md part 1 --- .../Science/SNC2DZ/Unit 1: Chemistry Part 2.md | 18 +++++++++++++++--- 1 file changed, 15 insertions(+), 3 deletions(-) diff --git a/Grade 10/Science/SNC2DZ/Unit 1: Chemistry Part 2.md b/Grade 10/Science/SNC2DZ/Unit 1: Chemistry Part 2.md index 081ecf5..df1a3a6 100644 --- a/Grade 10/Science/SNC2DZ/Unit 1: Chemistry Part 2.md +++ b/Grade 10/Science/SNC2DZ/Unit 1: Chemistry Part 2.md @@ -49,19 +49,31 @@ - neutralization ## Sythensis -- When 2 or more substances combines into one substance +- When 2 or more substances combine into one substance - $`A + B \rightarrow AB`$ ## Decomposition -- With a substance breaks down into 2 or more substances +- When a substance breaks down into 2 or more simpler substances - $`AB \rightarrow A + B`$ ## Single Diplacement -- When +- When an element displaces another of the same group in a substance +- $`A + BC \rightarrow B + AC`$ ## Double Displacement + - When two cations switch places in two substances + - $`AB + CD \rightarrow CB + AD`$ + - Note: If both products would be aqueous, there is no reaction ## Combustion + - Two types: Combustion with metals and combustion with hydrocarbons + - Combustion requires heat but for the purposes of grade 10 chemistry this is ignored + - Combustion with metals + - When a pure metal and oxygen gas react to produce the most common oxide + - e.g., $`2Mg + O_{2(g)} \rightarrow 2MgO_{2(s)}`$ + - Combustion with hydrocarbons + - Two types: Complete and incomplete + - When a hydrocarbon reacts with oxygen gas to produce ## Neutralization From 9b87d5678eaaa89bc45fe0acfaee0db31f653b7f Mon Sep 17 00:00:00 2001 From: Eggy <eggyrules@gmail.com> Date: Wed, 16 Oct 2019 15:56:00 +0000 Subject: [PATCH 2/4] Update Unit 1: Chemistry Part 2.md --- .../SNC2DZ/Unit 1: Chemistry Part 2.md | 29 +++++++++++++++---- 1 file changed, 23 insertions(+), 6 deletions(-) diff --git a/Grade 10/Science/SNC2DZ/Unit 1: Chemistry Part 2.md b/Grade 10/Science/SNC2DZ/Unit 1: Chemistry Part 2.md index df1a3a6..57ca4de 100644 --- a/Grade 10/Science/SNC2DZ/Unit 1: Chemistry Part 2.md +++ b/Grade 10/Science/SNC2DZ/Unit 1: Chemistry Part 2.md @@ -3,8 +3,8 @@ ## Acids ### Naming Binary Acids -- $`HCL_{(g)} \rightarrow`$ hydrogen chloride -- $`HCL_{(aq)} \rightarrow`$ **hydro**fluoric **acid** +- $`HCl_{(g)} \rightarrow`$ hydrogen chloride +- $`HCl_{(aq)} \rightarrow`$ **hydro**fluoric **acid** - Need to put the **hydro** prefix as it tells us its disolved in water and is an acid ## Oxyacids @@ -67,13 +67,30 @@ ## Combustion - Two types: Combustion with metals and combustion with hydrocarbons - - Combustion requires heat but for the purposes of grade 10 chemistry this is ignored + - Combustion requires and releases heat but for the purposes of grade 10 chemistry this is ignored - Combustion with metals - When a pure metal and oxygen gas react to produce the most common oxide - e.g., $`2Mg + O_{2(g)} \rightarrow 2MgO_{2(s)}`$ - Combustion with hydrocarbons - - Two types: Complete and incomplete - - When a hydrocarbon reacts with oxygen gas to produce + - Two types: Complete and incomplete combustion + - Complete combustion + - When a hydrocarbon reacts with oxygen gas to produce water and carbon dioxide + - Only works when enough oxygen is provided + - Flame is blue + - e.g., $`CH_{4} + 2O_{2} \rightarrow 2H_{2}O + CO_{2}`$ + - Incomplete combustion + - When a hydrocarbon reacts with oxygen gas to produce water, carbon dioxide, carbon, and/or carbon monoxide + - Lack of oxygen prevents complete combustion + - No hydrogen can be left over + - Flame is orange/yellow + - e.g., $`2CH_{4} + 3O_{2} \rightarrow 4H_{2}O + 2CO` ## Neutralization - + - When an acid and base react with each other + - Changes properties of both the acid and base so that they are no longer acidic nor basic + - Acids give their hydrogen ion to the base + - Looks similar to double displacement + - Always makes a salt and water + - Note: Scientific definition of salt is any soluble ionic compound + - $`H(A) + B(OH) \rightarrow AB + H_{2}O`$ + - e.g., $`HCl_{(aq)} + NaOH_{(aq)} \rightarrow NaCl_{(aq)} + H_{2}O`$ \ No newline at end of file From c55a4bc3e477e80b5c38d1e7d6fbab7becdae291 Mon Sep 17 00:00:00 2001 From: Eggy <eggyrules@gmail.com> Date: Wed, 16 Oct 2019 15:57:13 +0000 Subject: [PATCH 3/4] Update Unit 1: Chemistry Part 2.md --- Grade 10/Science/SNC2DZ/Unit 1: Chemistry Part 2.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Grade 10/Science/SNC2DZ/Unit 1: Chemistry Part 2.md b/Grade 10/Science/SNC2DZ/Unit 1: Chemistry Part 2.md index 57ca4de..d65dbef 100644 --- a/Grade 10/Science/SNC2DZ/Unit 1: Chemistry Part 2.md +++ b/Grade 10/Science/SNC2DZ/Unit 1: Chemistry Part 2.md @@ -29,7 +29,7 @@ - We use an arrow instead of an equal sign to show `beomces`, `reacts to form`, `produces` - On the **left** side, we always have the **`REACTANTS`**, (INPUT), these get used up in the chemical reaction - There can be plus signs to show multiple `reactants`. (Recipes, we are adding them together) - - On the **right** side, we have the **`PRODUCTS**` (OUTPUT). + - On the **right** side, we have the **`PRODUCTS`** (OUTPUT). - Newly produced/made from `reactants` - Plus signs show multple products, more like an **AND** more than anything else - In a chemical reaction, reactant, molecules/atoms/formula units/ions reaarange to produce products moleccules/atoms/ions/formula units From f614d397c237033ed334cc1108db76785d58b530 Mon Sep 17 00:00:00 2001 From: Eggy <eggyrules@gmail.com> Date: Wed, 16 Oct 2019 15:57:28 +0000 Subject: [PATCH 4/4] Update Unit 1: Chemistry Part 2.md --- Grade 10/Science/SNC2DZ/Unit 1: Chemistry Part 2.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Grade 10/Science/SNC2DZ/Unit 1: Chemistry Part 2.md b/Grade 10/Science/SNC2DZ/Unit 1: Chemistry Part 2.md index d65dbef..b6a1651 100644 --- a/Grade 10/Science/SNC2DZ/Unit 1: Chemistry Part 2.md +++ b/Grade 10/Science/SNC2DZ/Unit 1: Chemistry Part 2.md @@ -83,7 +83,7 @@ - Lack of oxygen prevents complete combustion - No hydrogen can be left over - Flame is orange/yellow - - e.g., $`2CH_{4} + 3O_{2} \rightarrow 4H_{2}O + 2CO` + - e.g., $`2CH_{4} + 3O_{2} \rightarrow 4H_{2}O + 2CO`$ ## Neutralization - When an acid and base react with each other