Tkinter Densidad del Gas

En esta nueva entrada se aborda el tema de la Densidad del Gas, este programa cuenta con dos formas de obtener dicha propiedad, la primera forma es la Ley de los Gases Reales y l segunda es Ley de la Conservación de la Masa. A continuación se muestra el código completo:
 
import math as math
from tkinter import *
import tkinter as tk
from tkinter import ttk
import numpy as np
from tkinter import messagebox
 
Ventana = Tk()
Ventana.geometry("300x300")
Ventana.maxsize(300,300)
Ventana.minsize(300,300)
Ventana.title("Densidad del Gas")
Ventana.configure(background="gray80",highlightbackground="gray80",highlightcolor="black")
 
Recuadro_Entradas = tk.LabelFrame(Ventana)
Recuadro_Entradas.place(relx=0.01, rely=0.01, relheight=0.40, relwidth=0.980)
Recuadro_Entradas.configure(relief='groove',foreground="black",text='''Entradas''',background="gray80",highlightbackground="gray80",highlightcolor="black",width=330)
 
Mensaje_1 = tk.Message(Recuadro_Entradas)
Mensaje_1.place(relx=0.01, rely=0.05, height=25, width=50)
Mensaje_1.configure(background="gray80",foreground="#000000",highlightbackground="#d9d9d9",highlightcolor="black",justify='center',text='''P''')
Mensaje_2 = tk.Message(Recuadro_Entradas)
Mensaje_2.place(relx=0.01, rely=0.38, height=25, width=50)
Mensaje_2.configure(background="gray80",foreground="#000000",highlightbackground="#d9d9d9",highlightcolor="black",justify='center',text='''T''')
Mensaje_3 = tk.Message(Recuadro_Entradas)
Mensaje_3.place(relx=0.01, rely=0.71, height=25, width=50)
Mensaje_3.configure(background="gray80",foreground="#000000",highlightbackground="#d9d9d9",highlightcolor="black",justify='center',text='''Yg''')
Mensaje_4 = tk.Message(Recuadro_Entradas)
Mensaje_4.place(relx=0.52, rely=0.05, height=25, width=50)
Mensaje_4.configure(background="gray80",foreground="#000000",highlightbackground="#d9d9d9",highlightcolor="black",justify='center',text='''Z''')
Mensaje_5 = tk.Message(Recuadro_Entradas)
Mensaje_5.place(relx=0.52, rely=0.38, height=25, width=50)
Mensaje_5.configure(background="gray80",foreground="#000000",highlightbackground="#d9d9d9",highlightcolor="black",justify='center',text='''Bg''')
 
Entrada_1 = tk.Entry(Recuadro_Entradas)
Entrada_1.place(relx=0.2, rely=0.05, height=20, width=80)
Entrada_1.configure(background="white",foreground="#000000",highlightbackground="#d9d9d9",highlightcolor="black",justify='center')
Entrada_2 = tk.Entry(Recuadro_Entradas)
Entrada_2.place(relx=0.2, rely=0.39, height=20, width=80)
Entrada_2.configure(background="white",foreground="#000000",highlightbackground="#d9d9d9",highlightcolor="black",justify='center')
Entrada_3 = tk.Entry(Recuadro_Entradas)
Entrada_3.place(relx=0.2, rely=0.72, height=20, width=80)
Entrada_3.configure(background="white",foreground="#000000",highlightbackground="#d9d9d9",highlightcolor="black",justify='center')
Entrada_4 = tk.Entry(Recuadro_Entradas)
Entrada_4.place(relx=0.715, rely=0.05, height=20, width=80)
Entrada_4.configure(background="white",foreground="#000000",highlightbackground="#d9d9d9",highlightcolor="black",justify='center')
Entrada_5 = tk.Entry(Recuadro_Entradas)
Entrada_5.place(relx=0.715, rely=0.39, height=20, width=80)
Entrada_5.configure(background="white",foreground="#000000",highlightbackground="#d9d9d9",highlightcolor="black",justify='center')
 
Entrada_1.delete(0,tk.END);Entrada_1.insert(tk.END,"");Entrada_1.insert(tk.END,0.00)
Entrada_2.delete(0,tk.END);Entrada_2.insert(tk.END,"");Entrada_2.insert(tk.END,0.00)
Entrada_3.delete(0,tk.END);Entrada_3.insert(tk.END,"");Entrada_3.insert(tk.END,0.00)
Entrada_4.delete(0,tk.END);Entrada_4.insert(tk.END,"");Entrada_4.insert(tk.END,0.00)
Entrada_5.delete(0,tk.END);Entrada_5.insert(tk.END,"");Entrada_5.insert(tk.END,0.00)
 
Recuadro_Correlaciones = tk.LabelFrame(Ventana)
Recuadro_Correlaciones.place(relx=0.01, rely=0.44, relheight=0.20, relwidth=0.980)
Recuadro_Correlaciones.configure(relief='groove',foreground="black",text='''Correlaciones Disponibles''',background="gray80",highlightbackground="gray80",highlightcolor="black",width=330)
 
Valores = ["Ley de los Gases Reales" ,"Ley de la Coservación de la Masa "]
 
Variable = tk.StringVar()
Visor_correlaciones = ttk.Combobox(Recuadro_Correlaciones)
Visor_correlaciones.place(relx=0.02, rely=0.40, height=25, width=280, bordermode='ignore')
Visor_correlaciones.configure(takefocus="",state="readonly",textvariable = Variable, justify = "center",values = Valores)
Visor_correlaciones.current(0)
 
def Correlaciones_Pg(event):
 
            try:
 
 
                        """P = 3400   # psi
                        R = 10.73  #
                        Yg = 1.24  # Adim
                        Z = 0.78   # Adim
                        T = 180+460    # °R
                        Bg = 0.0041   # PCY/PCN"""
 
                        P = float(Entrada_1.get()) # psi
                        T = float(Entrada_2.get()) # °F
                        Yg = float(Entrada_3.get()) # °S
                        Z = float(Entrada_4.get()) # psi
                        Bg = float(Entrada_5.get()) # °F
 
                        if P <= 0:
 
                                   messagebox.showwarning("Advertencia!","La Presión es incorrecta")
 
                        elif T <= 0:
 
                                   messagebox.showwarning("Advertencia!","La Temperatura es incorrecta")
 
                        elif Yg <= 0:
 
                                   messagebox.showwarning("Advertencia!","La Densidad del gas es incorrecta")
 
                        elif Z <= 0:
 
                                   messagebox.showwarning("Advertencia!","El Factor de Compresibildiad del gas es incorrecto")
 
                        else:
 
                                   if str(Variable.get()) == Valores[0]:
 
                                               # Ley de los gases reales
 
                                               Pg = ((28.96)*P*Yg)/(10.73*Z*(T+460)) # lb/pie^3
 
                                               Salida_1.delete(0,tk.END);Salida_1.insert(tk.END,Pg)
 
                                   elif str(Variable.get()) == Valores[1]:
 
 
                                               if Bg <= 0:
 
                                                           messagebox.showwarning("Advertencia!","El Factor volumétrico del gas es incorrecto")
 
                                               else:
 
                                                           # Ley de la coservación de la masa
 
                                                           Pg = (0.0763*Yg)/Bg
 
                                                           Salida_1.delete(0,tk.END);Salida_1.insert(tk.END,Pg)
 
                                   else:
 
                                               print("Error al realizar la selección de la opción")
           
            except ZeroDivisionError:
 
                        messagebox.showwarning("Advertencia!","Los datos ingresados son incorrectos, por favor revisalos")
 
            except SyntaxError:
 
                        messagebox.showwarning("Advertencia!","Los datos ingresados son incorrectos, por favor revisalos")
 
            except ValueError:
 
                        messagebox.showwarning("Advertencia!","Los datos ingresados son incorrectos, por favor revisalos")
 
            finally:
 
                        pass
 
            return
 
Visor_correlaciones.bind('<<ComboboxSelected>>', Correlaciones_Pg)
 
Recuadro_Salidas = tk.LabelFrame(Ventana)
Recuadro_Salidas.place(relx=0.01, rely=0.67, relheight=0.20, relwidth=0.980)
Recuadro_Salidas.configure(relief='groove',foreground="black",text='''Salidas''',background="gray80",highlightbackground="gray80",highlightcolor="black",width=330)
 
Mensaje_4 = tk.Label(Recuadro_Salidas)
Mensaje_4.place(relx=0.10, rely=0.20, height=25, width=80)
Mensaje_4.configure(background="gray80",foreground="#000000",highlightbackground="#d9d9d9",highlightcolor="black",justify='left',text='''Pg''')
Mensaje_9 = tk.Label(Recuadro_Salidas)
Mensaje_9.place(relx = 0.69, rely = 0.20, height=25, width=50)
Mensaje_9.configure(background="gray80",foreground="#000000",highlightbackground="#d9d9d9",highlightcolor="black",justify='center',text='''lb/pie^3''')
Salida_1 = tk.Entry(Recuadro_Salidas)
Salida_1.place(relx=0.35, rely=0.21, height=20, width=80)
Salida_1.configure(background="white",foreground="#000000",highlightbackground="#d9d9d9",highlightcolor="black",justify='center')
 
Salida_1.delete(0,tk.END);Salida_1.insert(tk.END,"");Salida_1.insert(tk.END,0.00)
 
def Limpiando():
 
            Entrada_1.delete(0,tk.END);Entrada_1.insert(tk.END,"");Entrada_1.insert(tk.END,0.00)
            Entrada_2.delete(0,tk.END);Entrada_2.insert(tk.END,"");Entrada_2.insert(tk.END,0.00)
            Entrada_3.delete(0,tk.END);Entrada_3.insert(tk.END,"");Entrada_3.insert(tk.END,0.00)
            Entrada_4.delete(0,tk.END);Entrada_4.insert(tk.END,"");Entrada_4.insert(tk.END,0.00)
            Entrada_5.delete(0,tk.END);Entrada_5.insert(tk.END,"");Entrada_5.insert(tk.END,0.00)
            Salida_1.delete(0,tk.END);Salida_1.insert(tk.END,"");Salida_1.insert(tk.END,0.00)
 
            return
 
Limpieza = Button(Ventana,activebackground="OliveDrab4",activeforeground="black",background="gray80",disabledforeground="#a3a3a3",foreground="#000000",highlightbackground="#d9d9d9",highlightcolor="black",pady="0",text='''Limpieza''', command = Limpiando).place(relx = 0.01, rely = 0.89, height=27, width=293)
 
Ventana.mainloop()
 
El código devuelve lo siguiente: