What element on the periodic table has 31 protons and 37 neutrons?

Avoltaic cell converts chemical energy to

What causes the formation of ocean currents?

9.98 kg of r-134a at 300 kpa fills a rigid container whose volume is 14 l. determine the temperature and total enthalpy in the container. the container is now heated until the pressure is 600 kpa. determine the temperature and total enthalpy when the heating is completed. use data from the steam tables.