Cuantos gramos de acido perclorico se obtiene utilizando 20 litros de cloro en condiciones normales de temperatura y presión.

What is a scientific theory? a. a scientist's guess about how something works b. the results of an experiment obtained using the scientific method c. a proven fact that will never change d. an idea that is backed by data from many sources

The tilt of the earth's axis of rotation is responsible for the a) ocean's tides. b) size of the moon. c) brightness of stars. d) earth’s seasons.

Identify two types of chemical bonding in the source of dietary potassium