1.
An aluminium sphere is heated from 0∘C0^\circ\text{C} to 100∘C100^\circ\text{C}. The change in the volume of the sphere of radius 10 cm10\,\text{cm} is (γAl=5.4×10−5 /∘C\gamma_{\text{Al}} = 5.4 \times 10^{-5}\,/^\circ\text{C}):