Tailing of mercury reaction

Two small drops of mercury, each of radius R, coalesce to form a single large drop. The ratio of the total surface energies before and after the change is :–     1 : 21/3 21/3 : 12 : 11 : 2

Mercury of 7 kg, is poured into a glass U-tube with a uniform internal diameter of 0.9 cm. The system oscillates freely about its equilibrium position. Given that the density of mercury is 13600 Kg/𝑚3

how does mercury move through food chain answer can be in 3 lines only

Mercury is poured into a U-tube as shown in Figure a. The left arm of the tube has cross-sectional area A1 of 10.9 cm2, and the right arm has a cross-sectional area A2 of 5.20 cm2. Two hundred grams of water are then poured into the right arm as shown in Figure b.Figure (a) shows a U-shaped tube filled with mercury. Both arms of the U-shaped tube are vertical. The left arm with cross-sectional area A1 is wider than the right arm with cross-sectional area A2. The height of the mercury is the same in both arms. Figure (b) shows the same U-shaped tube, but now most of the right arm is filled with water. The height of the column of water in the right arm is much greater than the height of the column of mercury in the left arm. The height of the mercury in the left arm is greater than the height of the mercury in the arms in Figure (a), and the difference in height is labeled h.(a) Determine the length of the water column in the right arm of the U-tube. cm(b) Given that the density of mercury is 13.6 g/cm3, what distance h does the mercury rise in the left arm? Your response differs from the correct answer by more than 100%. cm

Coefficient of real expansion of mercury is 0.18 × 10–3/°C. If the density of mercury at 00C is 13.6 gm/cc., its density at 573 K will be