3. Calculate the equilibrium constant, K, at 25°C for the cell identified by the following cell notation: (10 points)
Pb(s) 1 Pb2+(aq) Il Cu2+(aq) 1 Cu(s)

The diagrams show objects’ gravitational pull toward each other. which statement describes the relationship between diagram x and y? gravity attracts only larger objects toward one another. gravity attracts larger objects only if they are close to one another. if the masses of the objects increase, then the force between them also increases. if distance between the objects increases, then the amount of force also increases.

How many absorptions would you expect to observe in the 13c nmr spectra of the following molecules? a) 3-chloropentane b) cis-4-methyl-2-pentene

Which method would be best to separate a mixture of sand and gravel