Stoichiometry Disappearance of snow in subzero weather exemplifies the process of Sublimation Vaporisation Melting Evaporation Sublimation Vaporisation Melting Evaporation ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Enthalpy of formation of NH₃ is - 46 kJ/kg mole. The enthalpy change for the gaseous reaction, 2NH₃ → N₂ + 3H₂, is equal to __________ kJ/kg. mole. -92 -23 92 46 -92 -23 92 46 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry If pH value of a solution is 8, then its pOH value will be 7 10 1 6 7 10 1 6 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. 3 4 1 2 3 4 1 2 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Isotopes are atoms having the same None of these Number of neutrons Mass number Atomic mass None of these Number of neutrons Mass number Atomic mass ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A long cylinder and a sphere both of 5 cms diameter are made from the same porous material. The flat ends of cylinder are sealed. Both the cylinder and sphere are saturated with the same solution of sodium chloride. Later both the objects are immersed for a short and equal interval of time in a large tank of water which is well agitated. The fraction of salt remaining in the cylinder and the sphere are Xc and Xs respectively. Which of the following statement is correct? Xc = Xs Xc > Xs Xc greater/less than Xs depending on the length of the cylinder Xc < Xs Xc = Xs Xc > Xs Xc greater/less than Xs depending on the length of the cylinder Xc < Xs ANSWER DOWNLOAD EXAMIANS APP
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