Achemisrty instructor provides each student with 8 test tubes at the beginning of the year if there are 28 students per class, how many test tubes are required for three chemistry classes

Which formula can be used to calculate the molar mass of ammonia (nh3)? molar mass of n + molar mass of h 3 × molar mass of n + molar mass of h molar mass of n + 3 × molar mass of h 3 × molar mass of n + 3 × molar mass of h

Which two scientific disciplines are bridged by pharmaceutical drugs? chemistry and forensics chemistry and medicine biology and forensics biology and criminology

What is the empirical formula of c6h18o3? ch3o c2h5o c2h6o c2h5o5