Iodine-131 has half life of about 8 days if you had 60 grams of i-131 how much would remain after 24 days

Amass of 100.0 g of solute is dissolved in water so that 850. ml of a 0.7500 m solution has been prepared. what is the molar mass of the solute?

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

Which statement describes the phase change that occurs when dry ice is placed in an open container at room temperature?