The analysis of an organic compound gave the following results: C: 85.7 % and
H: 14.3%. Its molar mass is 56 g. mol'.
Are there other elements than C and H
in the organic compound?

Kc = 0.040 for the system below at 450oc. if a reaction is initiated with 0.40 mole of cl2 and 0.40 mole of pcl3 in a 2.0 liter container, what is the equilibrium concentration of cl2 in the same system? pcl5(g) ⇄ pcl3(g) + cl2(g)

Which of the following has wavelength longer than the wavelength of viable light? a) x rays b) gamma rays c) radios waves d) ultraviolet waves

What is the molecular formula of ferrous nitrate and ferric nitrate