What does a particular point on a line of a phase diagram represent? O A. The pressure created by the kinetic energy of molecules at a
particular temperature
OB. The melting point or boiling point of a substance at a specific
pressure
O C. The maximum temperature a substance can exist at without
bonds breaking
O D. The conditions in which temperature and pressure have equal
effects on a substance

Iron (3) oxide will decompose in the presence of hydrogen gas and heater to produced iron and digydrogen monoxide white a balanced chemical equation

Two metal blocks that have slightly different temperatures are placed next to one another. after five minutes, they both have lower but equal temperatures. according to the law of conservation of energy, what  most likelyhappened? energy was created inside the blocks.energy was destroyed inside the blocks.energy was absorbed into the blocks from outside the system.energy was transferred from the warmer block to the cooler block.

How are isotopes of the same element alike?