The thermal capacity of 8 liters of a liquid A is equal to the thermal capacity of 10 liters of liquid B.If the densities of the liquids A and B are 0.5 g/`cm^3` and 0.6 g/`cm^3` respectively ,find the ration of their specific heats.

The specific gravity of two liquid is 0.8 and 0.5. Thermal capacity of one liquid with 3 litter is equal to the thermal capacity of other liquid with 2 litter. Compare the specific heat.

A bucket is in the form of a frustum of a cone with capacity of 12,308.8 cm^3 of water. The radii of the top and bottom circular ends are 20 cm and 12 cm respectively. Find the height of the bucket and the area of the metal sheet used in its making (pi = 3.14) .

10 cm^3 of a liquid A was mixed with 10 cm^3 of liquid B. The volume of the resulting solution was found to be 19.9 cm^3 . What do you conclude?

The densities of two substance are 2:3 and their specific heats are 0.12 and 0.09 respectively.compare their capacities per unit volume.

A pen stand made of wood is in the shape of a cuboid with four concial depressions to hold pens. The dimensions of the cuboid are 15 cm by 10 cm by 3.5 cm. The radius of each of the depressions is 0.5 cm and the depth is 1.4 cm. Find the volume of wood in the entire stand ( see Fig. 13.16).

Silver crystallises in fcc lattice. If edge length of the cell is 4.07xx10^-8 cm and density is 1.05 g cm^-3 . Calculate the atomic mass of silver.

Heptane and octane form an ideal solution. At 373 K, the vapour pressures of the two liquid components are 105.2 kPa and 46.8 kPa respectively. What will be the vapour pressure of a mixture of 26.0 g of heptane and 35 g of octane?

The cylindrical tube of a spray pump has a cross-section of 8.0 cm2 one end of which has 40 fine holes each of diameter 1.0 mm. If the liquid flow inside the tube is 1.5 m min-^1 , what is the speed of ejection of the liquid through the holes?

When measured from outside,the length,breadth and height of a top-open metal box of thickness 0.5cm.were found to be 10cm.,9cm and 2.5cm respectively.Find the volume of the metal needed to make the box and the capacity of the box as well.