Based on Reference Table Adv-10, Standard Electrode Potentials, which half-cell has a lower reduction potential than the standard hydrogen half-cell? 1.
Cu2+ + 2e + Cu(s)
2
Fe2+ + 2e Fe(s)
3
12(s) + 2e-21-
Cl2(g) + 2 + 2C1

What is the composition, in atom percent, of an alloy that consists of 4.5 wt% pb and 95.5 wt% sn? the atomic weights for pb and sn are 207.19 g/mol and 118.71 g/mol, respectively.(a) 2.6 at% pb and 97.4 at% sn(b) 7.6 at% pb and 92.4 at% sn(c)97.4 at% pb and 2.6 at% sn(d) 92.4 at% pb and 7.6 at% sn

For each of the following types of reactions, write a general reaction formula in the symbolic form—for example, a + b → ab. single-displacement double-displacement synthesis decomposition

Compared with the freezing-point depression of a 0.01 m c6h12o6 solution, the freezing-point depression of a 0.01 m nacl solution is