Stoichiometry The amount of Zn (atomic weight = 65) required to form 224 c.c. of H₂ at N.T.P. on treatment with dilute H₂SO₄ will be __________ gm. 0.65 65 0.065 6.5 0.65 65 0.065 6.5 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A vapor whose partial pressure is less than its equilibrium vapor pressure is called the __________ vapor. Unsaturated Saturated Superheated Dry gaseous Unsaturated Saturated Superheated Dry gaseous ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Which of the following is insensitive to changes in pressure? Melting point Heat of vaporisation Both B & C Heat of fusion Melting point Heat of vaporisation Both B & C Heat of fusion ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The net heat evolved or absorbed in a chemical process, i.e. total change in the enthalpy of the system is independent of the Temperature & pressure None of these State of aggregation & the state of combination at the beginning & the end of the reaction Number of intermediate chemical reactions involved Temperature & pressure None of these State of aggregation & the state of combination at the beginning & the end of the reaction Number of intermediate chemical reactions involved ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Which of the following terms of Vander Walls equation of state for a non-ideal gas accounts for intermolecular forces? RT 1/RT (V - b) (p +a/v²) RT 1/RT (V - b) (p +a/v²) ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The heat of vaporisation __________ with increase in pressure. Both B and C Increases Decreases Becomes zero at critical pressure Both B and C Increases Decreases Becomes zero at critical pressure ANSWER DOWNLOAD EXAMIANS APP
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