Why does it take much longer for a car to stop when applying the brakes at a speed of 60 miles per hour then it 50 miles per hour

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:

In which of the following phases of matter do molecules have the highest amount of energy? a. liquid b. gel c. solid d. gas

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)