Which half-reaction is most easily reduced? al3+ + 3e- al = -1.66 v cu2+ + 2e- cu = 0.34 v fe3+ + e- fe2+ = 0.77 v na+ + e- na = -2.71 v pb2+ + 2e- pb = -0.13 v

For ai it's atomic number is 13 and it's mass number is 27 how many neutrons does it have

When 225mg of anthracene, c14h10(s), was burned in a bomb calorimeter the temperature rose by 1.75k. calculate the calorimeter constant. by how much will the temperature rise when 125mg of phenol, c6h5oh(s), is burned in the calorimeter under the same conditions? (δch< (c14h10,s)=–7061 kj mol−1.)

What does the symbol (–hfus) indicate in a phase change?