A sample of solid lead is heated with an electrical coil. If 30.3 Joules of energy are added to a 13.8 gram sample and the final temperature is 37.7°C, what is the initial temperature of the lead?

In 1901, thomas edison invented the nickel-iron battery. the following reaction takes place in the battery. fe(s) + 2 nio(oh)(s) + 2 h2o(l) fe(oh)2(s) + 2 ni(oh)2(aq) how many mole of fe(oh)2, is produced when 5.35 mol fe and 7.65 mol nio(oh) react?

Which two scientific disciplines are bridged by pharmaceutical drugs? chemistry and forensics chemistry and medicine biology and forensics biology and criminology

Which element is the least metallic between cadmium, silver, zinc, or iron?