The molar mass of copper(II) chloride (CuCl2) is 134.45 g/mol. How many formula units of CuCl2 are present in 17.6 g of CuCl2? 7.88 × 1022 formula units

1.84 × 1023 formula units

1.91 × 1023 formula units

1.42 × 1024 formula units

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 of the following would have less momentum than a 52 kg cheetah running at 10 m/s?

Consider the four elements above. which one of these elements will combine with oxygen in a 1: 1 ratio?