Quimica_29_9_25
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Alier 2025-09-29 13:54:43 +02:00
parent 3a8e122af9
commit 3cbc57ed30
24 changed files with 128133 additions and 26983 deletions

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@ -125,7 +125,7 @@ $$
(r'' \vec e_r + r' \theta'\vec e_{\theta})
+ (r' \theta' \vec e_{\theta}
+ r \theta'' \vec e_{\theta}
- r \theta'² \vec e_r)
- r \theta' \vec e_r)
$$
Si simplificamos
$$
@ -139,3 +139,4 @@ En esta formula vemos que tenemos 2 componentes:
- $r\theta''$ Componente tangencial por el cambio de velocidad
- $2r' \theta'$ Como la variación de r convierte parte del giro en componente tangencial
# Velocidad relativa

33
Física/Dinamica.md Normal file
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# Leyes de Newton
1. **Primera ley (inercia)**
Un cuerpo mantiene su estado de reposo o movimiento rectilíneo uniforme salvo que actúe una fuerza neta.
$$\huge \sum \vec{F} = 0 \;\;\Rightarrow\;\; \vec{v} = \text{constante} $$
2. **Segunda ley (dinámica)**
La aceleración de un cuerpo es proporcional a la fuerza neta e inversamente proporcional a su masa.
$$\huge \vec{F}_{\text{net}} = m \vec{a} $$
o, en forma general:
$$ \huge\vec{F}_{\text{net}} = \frac{d\vec{p}}{dt}, \quad \vec{p} = m \vec{v} $$
3. **Tercera ley (acción y reacción)**
A toda fuerza ejercida por un cuerpo sobre otro le corresponde una fuerza igual y opuesta.
$$\huge \vec{F}_{1 \to 2} = -\vec{F}_{2 \to 1} $$
# Diagrama del solido libre
- Considerando el solido como una partícula tendremos en solo los movimientos de traslación
- En caso contrario consideraremos el movimiento de traslación y rotación
# Fuerzas de la naturaleza
- Gravitatoria
- Eléctrica
- Magnética
- Nuclear débil
- Nuclear fuerte
# Fuerzas de fricción
- Fuerza de rozamiento estático
- Fuerza de rozamiento dinámico
# Problemas estática vs dinámica
- Estática, la suma de las fuerzas es 0
- Dinámica, la suma de las fuerzas es diferente a 0

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---
excalidraw-plugin: parsed
tags: [excalidraw]
---
==⚠ Switch to EXCALIDRAW VIEW in the MORE OPTIONS menu of this document. ⚠== You can decompress Drawing data with the command palette: 'Decompress current Excalidraw file'. For more info check in plugin settings under 'Saving'
## Drawing
```json
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%%

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@ -107,4 +107,11 @@ $$
\huge z=re^{\alpha i}
$$
# Teoria funamental...
Si tenemos un polinomio de grado n como : $p(z)=a_0+a_1z+a_2z²+a_nz^n$, quiere decir que $p(z)=0$ tiene n soluciones (posiblemente repetidas).
$$
\huge p(z)=(z-\lambda_1)(z-\lambda_2)...(z-\lambda_n)
$$
A mas, si $a_i€ \real$ se verifica que si $\lambda$ es una anel $\Rightarrow \overline \lambda$ también lo es
Los polinomios de números complejos

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@ -1,7 +0,0 @@
Si tenemos un polinomio de grado n como : $p(z)=a_0+a_1z+a_2z²+a_nz^n$, quiere decir que $p(z)=0$ tiene n soluciones (posiblemente repetidas).
$$
\huge p(z)=(z-\lambda_1)(z-\lambda_2)...(z-\lambda_n)
$$
A mas, si $a_i€ \real$ se verifica que si $\lambda$ es una anel $\Rightarrow \overline \lambda$ también lo es
Los polinomios de números complejos

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@ -66,3 +66,29 @@ $$
\quad
x_i=\frac {n_i} {n_{total}}
$$
# Estados de agregación de la materia
## Evaporación != ebullición
- La **evaporación** es un fenómeno de superficie que tiene lugar a cualquier temperatura y está relacionada con la presión de vapor (pV).
- La **ebullición** se da en toda la masa del líquido y sólo tiene lugar a la temperatura de ebullición (a una presión definida)
## Presión de vapor
- **La presión de vapor** (p V) se define como la presión ejercida por un vapor en equilibrio dinámico con su líquido en un recipiente cerrado.
- **Los líquidos volátiles** son aquellos cuyas partículas tienen poca interacción, presentan presiones de vapor elevadas porque una proporción más alta de las partículas pasan fácilmente a la fase gas.
![[../Resources/Pasted image 20250929123338.png|Center]]
# Enlace covalente
- Están formados por moléculas discretas (independientes) unidas entre si por fuerzas intermoleculares
**Anisotropia** Las propiedades de un material no son mismas en todas direcciones
Es el resultado directo de una estructura ordenada
**Isotropia** Tiene propiedades idénticas en todas direcciones
![[../Resources/Pasted image 20250929132202.png]]
![[../Resources/Pasted image 20250929132230.png|center]]
![[../Resources/Pasted image 20250929132259.png|center]]
## Enlace metálico
Los enlaces metálicos se dan solo entre los elementos metálicos

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@ -8,7 +8,6 @@ Bloques de la insostenibilidad:
La sostenibilidad no se plantea hasta los años 60-70
- Conferencia naciones unidas sobre el medio ambiente 1972
- Informe del club de roma "Los limites del crecimiento" 1972
## Problemas de la insostenibilidad
- **Carácter global**, Dimensiones o efectos de carácter mundial y que surgen en todos los países
- **Carácter complejo**, Son complejos y variables, ja que incluyen