Amolecule has two atoms that are bonded to the central atom and one lone pair of electrons around this central atom. what is the shape of the molecule?
bent
linear
trigonal planar
trigonal pyramidal

Water (2510 g ) is heated until it just begins to boil. if the water absorbs 5.09×105 j of heat in the process, what was the initial temperature of the water?

How does a hydroelectric power plant converts energy into energy.

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?