Question 221. Cp is expressed in S.I. unit as

Question 222. One kg of saturated steam at 100°C and 1.01325 bar is contained in a rigid walled vessel. It lias a volume of 1.673 m³. It cools to 98°C ; the saturation pressure is 0.943 bar ; one kg of water vapour under these conditions has a volume of 1.789 m³. The latent heat of condensation (kJ/kg⁻¹ ) under these conditions is

Question 223. 1 ata is equivalent to

Question 224. The number of water molecules present in a drop of water weighing 0.018 gm is 6.023 x __________

Question 225. 1 centipoise is equivalent to

Question 226. 1 kgf/cm² is not equal to

Question 227. 1 kg/cm² is equal to

Question 228. 1 torr is equivalent to

Question 229. Na₂SO₄. 10H₂O crystals are formed by cooling 100 Kg of 30% by weight aqueous solution of Na₂SO₄. The final concentration of the solute in the solution is 10%. The weight of crystals is

Question 230. Pure aniline is evaporating through a stagnant air film of 1 mm thickness at 300 K and a total pressure of 100 KPa. The vapor pressure of aniline at 300 K is 0.1 KPa. The total molar concentration under these conditions is 40.1 mole/m³ . The diffusivity of aniline in air is 0.74xl0-5m²/s.The numerical value of mass transfer co-efficient is 7.4 x 10-3. Its units are