1. Looking at the formula for copper(II) carbonate, CuCO3

a. which two of the three gases would you want to test for upon heating the solid?

b. what tests would you use to confirm the identity of gas?

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

2. how is heavy water different from normal water

Which of the following is true for the actual yield of a reaction? it is always calculated as a ratio. it is the yield from the excess reactant. it is the yield from the limiting reactant. it is always less than the theoretical yield.