Stoichiometry If the pH value of a solution changes by one unit, it implies that hydrogen ion concentration in the solution will change __________ times. 10 20 70 100 10 20 70 100 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Real gases approach ideal behaviour at Low pressure & high temperature High pressure & low temperature High pressure & high temperature Low pressure & low temperature Low pressure & high temperature High pressure & low temperature High pressure & high temperature Low pressure & low temperature ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Solution made by dissolving equimolar amounts of different solutes in the same amount of a given solvent will have the Elevation in boiling point in the ratio of their molecular weights Different elevation in boiling point Same elevation in boiling point None of these Elevation in boiling point in the ratio of their molecular weights Different elevation in boiling point Same elevation in boiling point None of these ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Enthalpy change resulting, when unit mass of solid is wetted with sufficient liquid, so that further addition of liquid produces no additional thermal effect, is called the heat of Mixing Wetting Complete wetting Adsorption Mixing Wetting Complete wetting Adsorption ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry What is the simplest formula of a compound containing 50% of element A (atomic weight = 10) and 50% of element B (atomic weight = 20)? A₂B AB₃ AB₂ A₂B₃ A₂B AB₃ AB₂ A₂B₃ ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A rigid vessel containing three moles of nitrogen gas at 30°C is heated to 250°C. Assume the average capacities of nitrogen to be Cp = 29.1 J/mole.°C and, Cv = 20.8 J/mole.°C. The heat required, neglecting the heat capacity of the vessel, is 19206 J 4576 J 13728 J 12712 J 19206 J 4576 J 13728 J 12712 J ANSWER DOWNLOAD EXAMIANS APP
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