¿De que dependen las propiedades del grafeno? ¿De que ha dependido el rapido avance en el desarollo de nuevos materiales basados en formas alotropicas del carbon?

POR FAVOOR ES URGENT

Large helium-filled balloons are used to lift scientific equipment to high altitudes. what is the pressure inside such a balloon if it starts out at sea level with a temperature of 10.0ºc and rises to an altitude where its volume is twenty times the original volume and its temperature is – 50.0ºc ?

What is the effect of returning nuclear reactor cooling water back into bodies of water?

When microscope slides are stained to show blood cells, the small red blood cells that appear on the slides are much numerous than the large white blood cells. this supports the concept that