How much money does hydroelectricity cost per kilowatt hours? I pay .07 cents a kWh. If one kilowatt hour of electricity cost nine cents how much does it cost to run a 500 watt light bulb for twenty four hours? 500 watts x 24 hours = 12,000 watt hours or 12kW h. 12 kW h x 9 cents/kW h is $1.08.
Laudanum /ËlÉËdáµnÉm/ is a tincture of opium containing approximately 10% powdered opium by weight (the equivalent of 1% morphine).Reddish-brown and extremely bitter, laudanum contains almost all of the opium alkaloids, including morphine and codeine, and its high morphine concentration makes it a potent narcotic.everal historical varieties of laudanum exist, including Paracelsus ' laudanum, Sydenham's Laudanum (also known as tinctura opii crocata), benzoic laudanum (tinctura opii benzoica), and deodorized tincture of opium (the most common contemporary formulation), among others.
Polonium was the first element discovered by Marie Sklodowska Curie in 1898, while seeking the cause of radioactivity of pitchblende from Joachimsthal, Bohemia.It required several tonnes of pitchblende to produce very small amounts of polonium.olonium is produced through decay of the small quantities of the bismuth isotope 210 Bi present in pitchblende (uranite, largely UO 2). However the quantities are very small. Uranium ores might contain about 0.0001 g of polonium in a tonne of ore.