Hola, me podrían ayudar con mi tarea? Ecuación química de las siguientes reacciones
a) Una molécula de azufre reacciona con una molécula de hierro para dar una molécula de sulfuro de hierro
b) una molécula de cloro y una molécula de hidrogeno reaccionan para dar dos moléculas de cloruro de hidrogeno

Write a question about how changing temperature affects the gas inside the sports ball

Which features on mars point to the possibility of liquid water on the planet? impact craters with sharp rims volcanic cones with craters gullies and stream-like channels mountain ranges with faults

Consider each of the electric- and magnetic-field orientations given next. in each case, what is the direction of propagation of the wave? a)\vec ein the +xdirection,\vec bin the +ydirection. choose+ x direction- x direction+ y direction- y direction+ z direction- z direction b)\vec ein the -y direction,\vec bin the +x choose+ x direction- x direction+ y direction- y direction+ z direction- z direction c)\vec ein the +z direction,\vec bin the -x direction. choose+ x direction- x direction+ y direction- y direction+ z direction- z direction d)\vec ein the +y direction,\vec bin the -z direction. choose+ x direction- x direction+ y direction- y direction+ z direction- z direction