Stoichiometry The vapor pressure of liquids of similar chemical nature at any particular temperature __________ with increase in the molecular weight. Remains unchanged Increases Decreases Either A or B; depends on the liquid Remains unchanged Increases Decreases Either A or B; depends on the liquid ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A car tyre of volume 0.057 m³ is inflated to 300 kPa at 300 K. After the car is driven for 10 hours, the pressure in the tyre increases to 330 kPa. Assume air is an ideal gas and Cv for air is 21 J/mole.K. The change in the internal energy of air in the tyre in J/mole is 630 380 880 760 630 380 880 760 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A compound was found having nitrogen and oxygen in the ratio 28 gm and 80 gm respectively. The formula of the compound is N₂O₃ N₂O₅ N₂O₄ None of these N₂O₃ N₂O₅ N₂O₄ None of these ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Which of the following has the smallest least effect on the solubility of a solute into the solvent? Nature of the solute Pressure Nature of the solvent Temperature Nature of the solute Pressure Nature of the solvent Temperature ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A very dilute solution is prepared by dissolving 'x1' mole of solute in 'x2' mole of a solvent. The mole fraction of solute is approximately equal to X1/x2 1 - (x1/x2) X2/x1 1/x2 X1/x2 1 - (x1/x2) X2/x1 1/x2 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Heat of reaction is not influenced by The physical state (e.g., solid, liquid or gaseous) of reactants and products Whether the reaction is carried out at constant temperature or constant pressure The route/method through which final products are obtained None of these The physical state (e.g., solid, liquid or gaseous) of reactants and products Whether the reaction is carried out at constant temperature or constant pressure The route/method through which final products are obtained None of these ANSWER DOWNLOAD EXAMIANS APP
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