The potential difference between two points in an electric circuit is the work done when a coulomb of charge passes between the points. You can calculate the size of a potential difference using this equation: V = W Ã· Q. 1  V is the potential difference in volts, V. 2  W is the work done (energy transferred) in joules, J.
Thanks for you help. Yikes, now you got me thinking! I went and my bottle of wilton vanilla and sure enough, it was like I went to the medicine cabinet and opened the bottle of rubbing alcohol! Extract is about 35% or so alcohol, so it may smell like alcohol - but the primary aroma should be vanilla.
Homemade Vanilla Extract What You Need Ingredients 3 to 5 vanilla beans 8 ounces alcohol such as vodka, bourbon, brandy, or rum â General Rule of Thumb: Use 3 to 5 vanilla beans per 8 ounces of alcohol and multiply accordingly if making more extract.odka has the most neutral flavor, but you can also use bourbon, brandy, or rum to create unique extracts. There's no need to use a top-shelf or high-proof alcohol when making vanilla extract. An inexpensive 40% (80 proof) alcohol will work just fine.