Is ethyl alcohol an element, a compound, or a mixture?

Determine the density of a sphere with a diameter of 6 cm, given that its mass is 250 g.

A cylindrical container is filled with a liquid up to a height of one meter from the base of the container. Then, a hole is made at a point 80 cm below the liquid level:

a) What is the exit velocity of the liquid through the hole?

b) At what distance from the container will the first drop of liquid that touches the ground fall?

Haciendo clic en este enlace podrás ver el enunciado y las respuestas al ejercicio que se resuelve en el vídeo.

If Z = 47 and A = 108, how many electrons, protons, and neutrons does this element have?