What is the mass of the object according to the reading on the triple beam balance? 775 g
775 g

77.5 g
77.5 g

707 g
707 g

77 g
77 g

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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)