Agas cylinder contains exactly 15 moles of oxygen gas (o2). how many molecules of oxygen are in the cylinder?

Many pharmaceutical drugs are organic compounds that were originally synthesized in the laboratory. which two scientific disciplines are bridged by pharmaceutical drugs? chemistry and forensics chemistry and medicine biology and forensics biology and criminology

40dm3 of gas at 760 torr are heated from 5°c to 50°c what is the new volume

Mr. rose asked his student to draw a quadrilateral with four unequal sides. an example of this kind of quadrilateral