How many molecules of water are produced when a molecule of C7H16 combusts

The molecular formula for caffeine is cshion402. which of the following elements is not found in caffeine?

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?

Arrange the elements in order of increasing electronegativity. use the periodic table to you arrange the elements. p o k mg