calculates the time spent by a train to travel 68 km at an average velocity of 90 km/h expresses the result in minutes-

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

What information does a complete ionic equation give that the balanced equation doesn’t show?

Anurse used a 0.02-mg/l solution of disinfection to clean a patients wound. what is the concentration of the solution expressed as a percentage?