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ใบงาน 2.1 2.3
This document discusses chemical formulas and equations. It covers 1) writing chemical formulas for common compounds using chemical symbols and subscript numbers, 2) balancing chemical equations by adjusting subscript numbers, and 3) using chemical equations to represent chemical reactions and calculate mole ratios between reactants and products.
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ใบงาน 2.1 2.3
- 1. 91 2.1 F ก FF 1 F F F F ก F 1. F ............................................................................................................. 1.1 ก ก ............................................................................................................ 1.2 F ก ก .................................................................................................................. 1.3 ก ก ............................................................................................................. 2. ก Fก F กF ............... .............. F ........................... 3. ก F F .................................................................................................. 4. ก F .................................................................................................... 5. F F ก F F F ก ก F ...................................................................................................................................................... 6. ก F F ก ก F F .............................................................. ...................................................................................................................................................... 2 F F F ก F ก ˈ ก ˈ F F ˈ F 2 C2O4 C6H12O6 HNO3 CH2O N2O5 H2O2 CCl4 OF2 PCl3
- 2. 92 2.1 F ก FF 1 F F F F ก F 1. F ............................................................................................................. 1.1 ก ก ............................................................................................................ 1.2 F ก ก .................................................................................................................. 1.3 ก ก ............................................................................................................. 2. ก Fก F กF ............... .............. F ........................... 3. ก F F .................................................................................................. 4. ก F .................................................................................................... 5. F F ก F F F ก ก F ...................................................................................................................................................... 6. ก F F ก ก F F .............................................................. ...................................................................................................................................................... 2 F F F ก F ก ˈ ก ˈ F F ˈ F 2 C2O4 C6H12O6 HNO3 CH2O N2O5 H2O2 CCl4 OF2 PCl3 ก กก F F ก F ก ˈ F F F ก F ก F ก 1 F F F ก F ก F ก 2 F F F ก F ก F ก 3 F Be B BeCl2 BF3 ก F F F ก ก F F ก F ก F F ก F ˈ F
- 3. 93 2.2 ก กก F 1 F F F F ก F 1. F F F 2 1. ............................................ 2. ............................................ 2. กก F ....................................................................................................................................................... ....................................................................................................................................................... ....................................................................................................................................................... ....................................................................................................................................................... ....................................................................................................................................................... 3. กก F F ........................................................................................... ....................................................................................................................................................... 4. F ก F CO2 F F ............................................ CCl4 F F .............................................................. NH3 F F ............................................ SF6 F F .............................................................. 2 F F ก F F H2O HCl H2 CCl4 CO2 NH3
- 4. 94 2.2 ก กก F 1 F F F F ก F 1. F F F 2 1. ............................................ 2. ............................................ 2. กก F ....................................................................................................................................................... ....................................................................................................................................................... ....................................................................................................................................................... ....................................................................................................................................................... ....................................................................................................................................................... 3. กก F F ........................................................................................... ....................................................................................................................................................... 4. F ก F CO2 F F ............................................ CCl4 F F .............................................................. NH3 F F ............................................ SF6 F F .............................................................. 2 F F ก F F H2O H :O:H H O H HCl H : Cl H Cl H2 H : H H H CCl4 Cl C l :C :C l Cl Cl Cl C Cl Cl CO2 C :: O :: C C = O = C NH3 H H :N :H H H N H F F F 1) F ก F ˈ F ก F ก F F ก F ก 2) 2 F F F ก F F ก F ก F F F 3) ก F F F ก F F F F F F ก F F 1 F F 1 F ก F F F F F ก F
- 5. 95 2.3 ก F FF . .. 1. F ก F F ก ... 2. ก F ˂ กF F ... 3. ก F F F F F ก F ... 4. ก F ก F ก ก ... 5. ก ก ก ก F ก F F ....... 6. ก F F F F F
- 6. 96 2.3 ก F FF .. 1. F ก F F ก ... 2. ก F ˂ กF F ... 3. ก F F F F F ก F ... 4. ก F ก F ก ก ... 5. ก ก ก ก F ก F F ....... 6. ก F F F F F
- 7. 97 ก ก กก F F ก ก ˆ ก ก F ก F ก 4 3 2 1 4 3 2 1 4 3 2 1 4 3 2 1 4 3 2 1 20 ................................................... F ............../.................../................ F ก F F ก F ˈ F F ก F ก F ก ก ก F ก Fก F ก = 4 = 3 F = 2 = 1 ก Fก F 17 20 13 16 9 12 1 8 ก F