Isopropyl alcohol contains C, H and O. When 0,255g of isopropyl alcohol is combusted it produces 0,561g of CO2 and 0,306g of H2O, what is the empirical formula of isopropyl alcohol?

List the two type of transporst that the cell in orde to transport molecules acroos the membrane

Astudent made the lewis dot diagram of a compound shown. what is the error in the lewis dot diagram? a)an o atom should transfer all of its six electrons to mg because the formula is mgo b) both electrons of mg should be transferred to one o adam because the formula is mgo c) the electrons should be transferred from each o add him to capital mg because mg has fewer electrons d) the number of dots around mg should be four because it has to transfer two electrons to each o

Acrystal that absorvd water from air is (blank)a. aqueousb. homogenousc. hygroscopicd. efflorescent