Vibration can simply be explained as the the action of moving back and forth quickly and steadily. And , It should be understood that sound wave is produced when an object vibrates.
It should be noted also that sound waves travel through solid, liquid and air or gas.
Therefore, it means that sound waves are not created by vibration but created or produced only when something is caused to vibrates.
Las moléculas de alcohol isopropílico tienen una parte polar y no polar, lo que significa que pueden formar enlaces de hidrógeno con el agua y, por lo tanto, pueden mezclarse con ella. ... Como resultado, el alcohol se vuelve inmiscible con el agua y comienza a formar una capa separada.