Analysis of a carbon hydrogen compound was found to be 55.2 % carbon, 8.1 % hydrogen, and the rest was oxygen. The molar mass of this compound is approximately 355 g/mole. Determine the molecular formula of this compound.

If the mass of the products measured 120g what would the mass of the reactants a. 30g b. 60g c. 120g d. 240g

If the root word engage means “to connect with something,” what does the word disengage mean in the following sentence? he disengaged the gears by stepping on the clutch pedal. a.added more engine powerb. activated a connection to the pedalc. stalled the engined. released a connection to the pedal

The grooves or folds of the brain are called