app.py

import streamlit as st

# Predefined compound boiling points (Celsius)
organic_compounds = {
    "Methane": -161.5,
    "Ethane": -88.6,
    "Propane": -42.1,
    "Butane": -0.5,
    "Pentane": 36.1,
    "Hexane": 68.7,
    "Heptane": 98.4,
    "Octane": 125.6,
    "Nonane": 150.8,
    "Decane": 174.1,
    "Ethanol": 78.4,
    "Methanol": 64.7,
    "Acetone": 56.0,
    "Benzene": 80.1,
    "Toluene": 110.6,
    "Phenol": 181.7,
    "Chloroform": 61.2,
    "Formaldehyde": -19.0,
    "Acetic Acid": 118.0,
    "Diethyl Ether": 34.6,
    "Aniline": 184.1,
    "Nitrobenzene": 210.9,
    "Styrene": 145.0,
    "Cyclohexane": 80.7,
    "Isopropanol": 82.5
}

inorganic_compounds = {
    "Water": 100.0,
    "Ammonia": -33.3,
    "Hydrogen": -252.9,
    "Oxygen": -183.0,
    "Nitrogen": -195.8,
    "Carbon Dioxide": -78.5,
    "Sulfur Dioxide": -10.0,
    "Chlorine": -34.0,
    "Hydrogen Chloride": -85.1,
    "Sodium": 883.0,
    "Potassium": 759.0,
    "Calcium": 1484.0,
    "Iron": 2862.0,
    "Copper": 2562.0,
    "Zinc": 907.0,
    "Lead": 1749.0,
    "Mercury": 356.7,
    "Phosphorus (White)": 280.5,
    "Sulfur": 444.6,
    "Argon": -185.8,
    "Neon": -246.0,
    "Helium": -268.9,
    "Krypton": -153.4,
    "Xenon": -108.1,
    "Radon": -61.7
}

# Streamlit UI
st.title("Boiling Point Estimator 🔥💧")

# Category selection
category = st.radio("Select Compound Category", ["Organic", "Inorganic"])

# Compound selection
if category == "Organic":
    compound = st.selectbox("Select Organic Compound", list(organic_compounds.keys()))
    boiling_point_c = organic_compounds[compound]
else:
    compound = st.selectbox("Select Inorganic Compound", list(inorganic_compounds.keys()))
    boiling_point_c = inorganic_compounds[compound]

# Unit selection
unit = st.radio("Select Units", ["Celsius (°C)", "Fahrenheit (°F)"])

# Conversion
if unit == "Celsius (°C)":
    result = f"{boiling_point_c:.2f} °C"
else:
    boiling_point_f = (boiling_point_c * 9/5) + 32
    result = f"{boiling_point_f:.2f} °F"

# Display result
st.success(f"**Boiling Point of {compound}: {result}**")