From 986b9b64bd99c9e019352f4bfdc002350169cbdc Mon Sep 17 00:00:00 2001 From: James Su Date: Thu, 3 Oct 2019 21:02:04 +0000 Subject: [PATCH] Update Unit 1: Chemistry Part 2.md --- .../SNC2DZ/Unit 1: Chemistry Part 2.md | 34 +++++++++++++++++-- 1 file changed, 31 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 187d97c..081ecf5 100644 --- a/Grade 10/Science/SNC2DZ/Unit 1: Chemistry Part 2.md +++ b/Grade 10/Science/SNC2DZ/Unit 1: Chemistry Part 2.md @@ -17,13 +17,13 @@ ## Chemical Change - Similar to chemical reaction -## Evidence of chemical change: (observations that tell us its happening) +## Evidence of Chemical Change: (observations that tell us its happening) 1. A new gas is formed (new odour, formation of bubbles) 2. A large change in energy (eg. Light, heat, sound, electricity) 3. A new colour is formed 4. A new solid is formed -## Representing chemical reactions +## Representing Chemical Reactions - A Chemical equation! - Used to model what is happening during a chemical reaction. - We use an arrow instead of an equal sign to show `beomces`, `reacts to form`, `produces` @@ -36,4 +36,32 @@ - eg. Wax $`+`$ oxygen gase $`\rightarrow`$ Soot $`+`$ Water $`+`$ Carbon dioxide. - A `word` equation - $`\triangle`$ Greek letter to represent heat. -- $`C_{25}H_{52(g)} + O_{2(g)} \rightarrow^\triangle C_{(g)} + H_2O_{(g)} + CO_{2(g)}`$ \ No newline at end of file +- $`C_{25}H_{52(g)} + O_{2(g)} \rightarrow^\triangle C_{(g)} + H_2O_{(g)} + CO_{2(g)}`$ + +## Types Of Reactions + +- 6 types of reactions + - synthesis + - decomposition + - single displacement + - double displacement + - combustion + - neutralization + +## Sythensis +- When 2 or more substances combines into one substance +- $`A + B \rightarrow AB`$ + +## Decomposition +- With a substance breaks down into 2 or more substances +- $`AB \rightarrow A + B`$ + +## Single Diplacement +- When + +## Double Displacement + +## Combustion + +## Neutralization +