11.5 cm3 of gaseous hydrocarbon were exploded with excess oxygen and there was a diminution in volume of 34.50 cm3 and on absorption with KoH solution . there was a further reduction in volume of 34.5 . what is the molecular formula of the hydrocarbon?

Ionic compounds are made of ions, and yet the overall charge of an ionic compound is neutral. why?

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

In the lab, ammonia was mixed with water to form ammonium hydroxide. what is/are the reactant(s)? o water and ammonia o ammonia o ammonium hydroxide need