¿cuál es la expresión matemática para conocer la concentración de una sustancia?

¿cuál es un fundamento físico en el método de separación denominado destilación?

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.

What state of matter is ice a. liquid b. element c. solid d. gas

Use the periodic table to complete this equation that represents nuclear fission processesun - ba c 3 n