{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# An Engineering Calculation using the Ideal Gas Law\n",
    "\n",
    "## First Step\n",
    "\n",
    "This notebook does some calculations with the ideal gas law\n",
    "\n",
    "$$ P = \\frac{n R T}{V}$$"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "210819.285714\n"
     ]
    }
   ],
   "source": [
    "n = 2.0\n",
    "V = 22.4\n",
    "T = 284.0\n",
    "R = 8314.0\n",
    "\n",
    "P = n*R*T/V\n",
    "print P"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "The Pressure is:  210819.285714\n"
     ]
    }
   ],
   "source": [
    "print \"The Pressure is: \", P"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Requirement already satisfied (use --upgrade to upgrade): pint in /Users/jeff/anaconda/lib/python2.7/site-packages\n",
      "\u001b[33mYou are using pip version 8.1.1, however version 8.1.2 is available.\n",
      "You should consider upgrading via the 'pip install --upgrade pip' command.\u001b[0m\n"
     ]
    }
   ],
   "source": [
    "!pip install pint"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "from pint import UnitRegistry\n",
    "ur = UnitRegistry()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "V = 22.4 * ur.liter\n",
    "T = 284.0 * ur.kelvin\n",
    "R = 8314.0 * ur.Pa * ur.liter/ur.mol/"
   ]
  }
 ],
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