¿Cuál es el reactivo limitante y el reactivo excedente cuando reaccionan 0.5 g de limadura de Fe con 2.5 g de CuSO, en medio acuoso?
¿Qué cantidad de reactivo excedente quedó al final del proceso?
Fe + Cuso-Fe SO- Cu

Why do leaves change color in the fall? green pigments break down and no longer mask the color of chlorophyll. chlorophyll breaks down and no longer masks the colors of other pigments. red- and yellow-colored pigments grow and mask green-colored chlorophyll. green-colored chlorophyll breaks down and turns red and yellow.

Two critical interventions to turn around the opioid crises are:

What was darwins theory of common decent