Calcular la cantidad en moles del tetraóxido de hierro que se pueden obtener a partir de 40 gramos de agua (90%) y 25 g de hierro sólido (98%), ademas, determine el porcentaje de rendimiento de la reacción 100 si en un laboratorio luego del proceso se obtuvieron 15 gramos del tetraóxido de hierro.

Iknow #2 is d. i just need to know why

Non renewable resources like petroleum eventually

16. why must the number of electrons lost equal the number of electrons gained in every redox reaction? use 3 – 4 sentences in your own words to address this question. 18. what type of radiation is emitted when chromium-51 decays into manganese-51? show the nuclear equation that leads you to this answer. 19. a radioactive nucleus alpha decays to yield a sodium-24 nucleus in 14.8 hours. what was the identity of the original nucleus? show the nuclear equation that leads you to this answer.