Stoichiometry Atmospheric pressure corresponds to a hydrostatic head of 34 ft ofH₂O 13.6 metres of Hg 1 metre of H₂O 13.6 cms of Hg 34 ft ofH₂O 13.6 metres of Hg 1 metre of H₂O 13.6 cms of Hg ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 1 bar is almost equal to __________ atmosphere. 10 1000 100 1 10 1000 100 1 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Assuming that CO₂ obeys perfect gas law, calculate the density of CO₂ (in kg/m³) at 263°C and 2 atm. 1 3 2 4 1 3 2 4 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Air at a temperature of 20°C and 750 mm Hg pressure has a relative humidity of 80%. What is its percentage humidity?Vapour pressure of water at 20°C is 17.5 mm Hg. 80 80.38 79.62 78.51 80 80.38 79.62 78.51 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A sample of well water contains 140 gm/m³ Ca²⁺ ions and 345 gm/m³ Na⁺ ions. The hardness of the sample of water, expressed in terms of equivalent CaCO₃ in gm/m³ is (assuming atomic masses of Ca :40, Na : 23, C : 12, O : 16) 350 485 140 345 350 485 140 345 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry If 1.5 moles of oxygen combines with aluminium to form Al2O₃, then the weight of aluminium (atomic weight = 27 ) used in this reaction is __________ gm. 27 5.4 54 2.7 27 5.4 54 2.7 ANSWER DOWNLOAD EXAMIANS APP