Fossil fuels are made up of?

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 atom or ion is the largest? a. k b. k+ c. ca d. ca2+ e. li

Which class of molecules functions as chemical signals? hormones water carbohydrates proteins