chem 7/29 2

.obsidian/graph.json

@@ -5,7 +5,7 @@
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   "hideUnresolved": false,
   "showOrphans": true,
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@@ -17,6 +17,6 @@
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.obsidian/themes/Obsidian Nord/manifest.json

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+}

.obsidian/themes/Obsidian Nord/theme.css

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+
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+}
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.obsidian/workspace.json

@@ -41,12 +41,40 @@
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+                "file": "chemistry/chemical reactions.md",
                 "mode": "source",
                 "source": false
               },
               "icon": "lucide-file",
-              "title": "buzzwords"
+              "title": "chemical reactions"
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@@ -55,12 +83,68 @@
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+              "title": "polyatomic ions 1"
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@@ -69,12 +153,12 @@
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@@ -92,7 +176,7 @@
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@@ -271,35 +355,35 @@
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+    "root.md",
+    "chemistry/solubility table.md",
+    "chemistry/state of matter.md",
+    "math/game theory.md",
+    "chemistry/chemical reactions.md",
     "literacy/buzzwords.md",
+    "physics/kinesmatics.md",
+    "physics/acceleration.md",
+    "chemistry/polyatomic ions.md",
+    "chemistry/periodic table.md",
+    "literacy/fallacies.md",
     "math/math.md",
     "literacy/literacy.md",
     "biology/biology.md",
     "literacy",
-    "math/game theory.md",
     "chemistry/vsepr.md",
-    "math/integrals.md",
-    "math/derivatives.md",
-    "physics/random math shit i probably need to know.md",
-    "physics/physics.md",
-    "physics/kinesmatics formulas.md",
-    "math/quadratics.md",
-    "chemistry/chemistry.md",
-    "chemistry/Matter and Chemical Bonding.md",
-    "chemistry/electronegativity.md",
-    "chemistry/polar molecules.md",
-    "chemistry/nomenclature.md",
-    "chemistry/bonds.md",
-    "root.md",
-    "math/calculus.md",
-    "math/vectors.md",
-    "math/probability.md",
     "Pasted image 20260716183501.png",
     "Recording 20260716183349.m4a",
     "Recording 20260716183320.m4a",

chemistry/Stoichiometry.md

@@ -1 +1,11 @@
 [[chemistry]]
+
+**"calculation of relative quantities of reactants and products in chemical reactions"**
+
+avogardos numbers = $6.02*10^{23}$
+n=mole=conversion factor=$6.02*10^{23}$ things (atoms/ions/molecules/formulaunits/etc)
+1 pair = 2  things
+1 dozen = 12 things
+
+one atomic unit ~=  1 gram / avogardos number
+avogardos number x atomic unit ~= 1 gram

chemistry/bonds.md

@@ -1 +1,4 @@
 [[Matter and Chemical Bonding]]
+
+covalents are sharing
+ionics are giving

chemistry/chemical reactions.md

@@ -0,0 +1,27 @@
+[[chemistry]]
+
+**main types**
+synthesis
+decomposition
+single displacement
+double displacement
+combustion
+
+# synthesis 
+just two substances coming together to form a compound, 
+reactant + reactant -> 
+
+# single displacement
+requires the replacee to havea a lower activity series than the replacer
+
+# Double Displacement
+double displacement is a reaction of 2 compounds
+pos and negs switch places to form new stuff
+only works with ionics
+
+only occurs if one of 3 propduces is formed
+- percipitate (s)
+- gas (g)
+- covalent compound such as water (l)
+# Combustion 
+is hydrocarbon react with oxygen to create co2 and h2o

chemistry/electronegativity.md

@@ -1 +1,3 @@
 [[Matter and Chemical Bonding]]
+how much attraction an element has to electrons
+when bonded things different in electronegativity is too high, one basically steals the electron from the other forming an ionic bond, and if it's in the middle then it's polar, and if the difference isnt large than the 2 play nice and share it with a covalent

chemistry/empherical formula.md

@@ -0,0 +1,5 @@
+[[Stoichiometry]]
+
+empirical formulas are the simplest whole number ratio of atom in a substance
+
+eg acetic acid and glucose share an empherical of ch_2o

chemistry/law of definite proportions and percent composition.md

@@ -0,0 +1,5 @@
+[[Stoichiometry]]
+
+law of definite proportions states: the elements in a chemical compound are always present in the same proportion by mass
+
+$percentcomposition=\frac{massofelement}{totalmassofcompound}*100%$

chemistry/periodic table.md

@@ -0,0 +1,4 @@
+[[chemistry]]
+
+periods are rows
+groups are columns

chemistry/polar molecules.md

@@ -1,2 +1,4 @@
 [[Matter and Chemical Bonding]]
+[[electronegativity]]
+
 when 2 bonding atoms have an $\Delta$ EN greater than 0.5 and less than 1.7, it's a polar covalent bond 

chemistry/polyatomic ions 1.md

@@ -0,0 +1,77 @@
+[[chemistry]]
+
+**"a charged chemical species composed of two or more atoms covalently bonded or of a metal complex, that can be considered to be acting as a single unit"
+
+| **Name**                                       | **Formula** |
+| ---------------------------------------------- | ----------- |
+| **Polyatomic ions (carrying negative charge)** |             |
+| Hydroxide                                      | OH–         |
+| Acetate                                        | CH3COO–     |
+| Cyanide                                        | CN–         |
+| Chlorate                                       | ClO3–       |
+| Chlorite                                       | ClO2–       |
+| Nitrate                                        | NO3–        |
+| Nitrite                                        | NO2–        |
+| Hypochlorite                                   | OCl–        |
+| Hypobromite                                    | OBr –       |
+| Iodate                                         | IO3–        |
+| Bisulphite                                     | HSO3–       |
+| Bisulphate                                     | HSO4–       |
+| Permanganate                                   | MnO4–       |
+| Thiocyanate                                    | SCN–        |
+| Hydrogen carbonate                             | HCO3–       |
+| Carbonate                                      | CO32-       |
+| Sulphate                                       | SO42-       |
+| Sulphite                                       | SO32-       |
+| Oxalate                                        | C2O42-      |
+| Silicate                                       | SiO32-      |
+| Manganate                                      | MnO42-      |
+| Thiosulphate                                   | S2O32-      |
+| Chromate                                       | CrO42-      |
+| Dichromate                                     | Cr2O72-     |
+| Phosphate                                      | PO43-       |
+| Phosphite                                      | PO33-       |
+| Aluminate                                      | AlO33-      |
+| Arsenite                                       | AsO33-      |
+| Arsenate                                       | AsO43-      |
+| Borate                                         | BO33-       |
+| Pyrophosphate                                  | P2O74-      |
+| **Polyatomic ions (carrying positive charge)** |             |
+| Ammonium                                       | NH4+        |
+
+## List of monatomic ions
+
+- The ions made of a single atom are called **simple ions or monatomic ions**.
+
+| **Name**                                      | **Formula** |
+| --------------------------------------------- | ----------- |
+| **Monatomic ions (carrying positive charge)** |             |
+| Hydrogen                                      | H+          |
+| Potassium                                     | K+          |
+| Sodium                                        | Na+         |
+| Silver                                        | Ag+         |
+| Cuprous                                       | Cu+         |
+| Aurous                                        | Au+         |
+| Barium                                        | Ba2+        |
+| Calcium                                       | Ca2+        |
+| Magnesium                                     | Mg2+        |
+| Cupric                                        | Cu2+        |
+| Ferrous                                       | Fe2+        |
+| Stannous                                      | Sn2+        |
+| Mercuric                                      | Hg2+        |
+| Zinc                                          | Zn2+        |
+| Plumbous                                      | Pb2+        |
+| Aluminum                                      | Al3+        |
+| Ferric                                        | Fe3+        |
+| Auric                                         | Au3+        |
+| Arseneous                                     | As3+        |
+| Plumbic                                       | Pb4+        |
+| Stannic                                       | Sn4+        |
+| **Monatomic ions (carrying negative charge)** |             |
+| Chloride                                      | Cl–         |
+| Bromide                                       | Br –        |
+| Iodide                                        | I–          |
+| Oxide                                         | O2-         |
+| Sulphide                                      | S2-         |
+| Nitride                                       | N3-         |
+| Phosphide                                     | P3-         |

chemistry/polyatomic ions.md

@@ -0,0 +1,12 @@
+[[Matter and Chemical Bonding]]
+
+add or remove valence e according to charge
+
+H stable at a duet 2d
+Be stable at a tetrad 4e
+B stable at a sextet 6e
+all other elements in pe 1 and 2 require octets 8e (common ball)
+per 3 and below can go above an octet (common ball)
+
+$po_4^{-3}$
+

chemistry/solubility table.md

@@ -0,0 +1,6 @@
+[[chemical reactions]]
+
+shrimple little table to check how stuff reacts with other stuff, 
+- sol for soluble which means aqueous
+- ppt for precipitate
+

chemistry/state of matter.md

@@ -0,0 +1,2 @@
+[[chemical reactions]]
+[[Matter and Chemical Bonding]]

math/game theory.md

@@ -1 +1,5 @@
 [[math]]
+
+# different types of games
+
+perfect info/ imperfect info

physics/Thermodynamics.md

@@ -0,0 +1 @@
+[[physics]]

physics/acceleration.md

@@ -0,0 +1,7 @@
+[[kinesmatics]]
+a vector quantity that describes a change in velocity, denoted as $a$ or $\vec a$
+accel is to velocity as velocity is to position
+second derivative of position
+
+$\vec a_{avg}= \frac{\Delta v}{\Delta t}$
+$\vec v_{avg}=\frac{\Delta d}{\Delta t}$

physics/kinesmatics.md

@@ -1,3 +1,2 @@
 [[physics]]
-movement shite
+stuff like velocity vectors yadiyadiyada
-shit like velocity vectors yadiyadiyada

physics/thermal expansion.md

@@ -0,0 +1,5 @@
+[[Thermodynamics]]
+
+$\Delta V=V_0\gamma\Delta T$ 
+$\gamma=$ coefficient of volume expansion (3a for solid materials)
+

root.md

@@ -0,0 +1 @@
+# the big **R**