Stoichiometry Equal masses of CH₄ and H₂ are mixed in an empty container. The partial pressure of hydrogen in this container expressed as the fraction of total pressure is 8/9 1/9 5/9 1/2 8/9 1/9 5/9 1/2 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Heat of reaction is a function of the Both(a)&(b) Temperature Neither (a) nor (b) Pressure Both(a)&(b) Temperature Neither (a) nor (b) Pressure ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The heat evolved in the combustion of benzene is represented by the equation: C₆H₆ + 7.5 O₂ = 6CO₂ + 3H₂O, ΔH = 3264.6 kJ/kg. mole The heat energy change, when 39 gm of C₆H₆ is burnt in an open container, will be __________ kJ/kgmole. -1632.3 -2448.45 +1632.3 +816.15 -1632.3 -2448.45 +1632.3 +816.15 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) 140 350 485 345 140 350 485 345 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry In physical adsorption, as compared to chemisorption, the Heat of adsorption is very large Rate of adsorption is controlled by the resistance to surface reaction Activation energy is very high Quantity adsorbed per unit mass is higher Heat of adsorption is very large Rate of adsorption is controlled by the resistance to surface reaction Activation energy is very high Quantity adsorbed per unit mass is higher ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry With increase in the solute concentration, the specific heat of aqueous solutions Either A or B; depends on the type of solution Increases Remains unchanged Decreases Either A or B; depends on the type of solution Increases Remains unchanged Decreases ANSWER DOWNLOAD EXAMIANS APP