Para determinar la cantidad de cloruros en una muestra de agua se valoran 50 mL de un blanco y 50 mL de muestra con el respectivo indicador y titulante que se encuentra 0,15 N. Si la muestra consume 10 mL del titulante y el blanco consume 1,5 mL. Determine los ppm de cloruros en la muestra (utilice dos cifras decimales en su respuesta)

Embryos of different species look very similar, which shows that the organisms share a ancestor.

The image shows a process that releases nuclear energy which statement best identifies the process shown the process must be fusion because energy is released the process must be fusion because of have your nucleus formed a smaller nuclei the process must be fission because a large nucleus breaks into smaller nuclei the process must be fission because neutrons are formed

Which position represents spring in the southern hemisphere? a) b) c) d)