3 Pb + 2 H3PO4 > 3 H2 + 1 Pb3(PO4)2 Synthesis
Decomposition
Single Replacement
Double Replacement
Combustion

In order for a high temperature boiler or steam engine to produce superheated water, or steam: the heat source must be greater than 100°c the water must be permitted to evaporate quickly the system must be sealed and become pressurized above atmospheric pressure the vapor pressure must be kept below 760 mm(hg)