Problem 35
Calculate the atomic mass for iron given the following data for its natural isotopes: $$ \begin{array}{llc} { }^{54} \mathrm{Fe} & 53.940 \mathrm{amu} & 5.82 \% \\ { }^{56} \mathrm{Fe} & 55.935 \mathrm{amu} & 91.66 \% \\ { }^{57} \mathrm{Fe} & 56.935 \mathrm{amu} & 2.19 \% \\ { }^{58} \mathrm{Fe} & 57.933 \mathrm{amu} & 0.33 \% \end{array} $$
Problem 36
Calculate the atomic mass for zinc given the following data for its natural isotopes: $$ \begin{array}{rlr} { }^{64} \mathrm{Zn} & 63.929 \mathrm{amu} & 48.89 \% \\ { }^{66} \mathrm{Zn} & 65.926 \mathrm{amu} & 27.81 \% \\ { }^{67} \mathrm{Zn} & 66.927 \mathrm{amu} & 4.11 \% \\ { }^{68} \mathrm{Zn} & 67.925 \mathrm{amu} & 18.57 \% \\ { }^{70} \mathrm{Zn} & 69.925 \mathrm{amu} & 0.62 \% \end{array} $$
Problem 37
Which has the longer wavelength: red light or green light?
Problem 38
Which has the shorter wavelength: blue light or violet light?
Problem 39
Which has the lower frequency: red light or green light?
Problem 40
Which has the higher frequency: blue light or violet light?
Problem 41
Which has the lower energy: red light or green light?
Problem 42
Which has the higher energy: blue light or violet light?
Problem 43
Which wavelength has the lower frequency: \(450 \mathrm{nm}\) or \(550 \mathrm{nm} ?\)
Problem 44
Which wavelength has the higher frequency: \(550 \mathrm{nm}\) or \(650 \mathrm{nm} ?\)
