Ethanol Rocket: Difference between revisions

From wikiluntti
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{| class="wikitable sortable"
{| class="wikitable sortable"
|+ Van der Waals radius
|+ Van der Waals radius
|-
! Atom !! Radius
|-
|-
| C || 170 pm
| C || 170 pm
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| O || 152 pm
| O || 152 pm
|}
|}


=== Paa ===
=== Paa ===

Revision as of 18:41, 29 May 2021

Introduction

Theory

Ethanol 3d model

Atom positions
-1.1712 0.2997 0.0000 O
-0.0463 -0.5665 0.0000 C
1.2175 0.2668 0.0000 C
-0.0958 -1.2120 0.8819 H
-0.0952 -1.1938 -0.8946 H
2.1050 -0.3720 -0.0177 H
1.2426 0.9307 -0.8704 H
1.2616 0.9052 0.8886 H
-1.1291 0.8364 0.8099 H

HCH bonds are assumed to be undistorded tetraherdal angle 109.5 degrees. Actually the electrons repeal each other. The HOC bond is 104.5 deg because. . .

Valence shell electron-pair repulsion theory (VSEPR theory). . .


Van der Waals radius
Atom Radius
C 170 pm
H 120 pm
O 152 pm

Paa