Archive for July, 2011

Medical and engineering

This item was filled under [ Medical/Engineering Entrance ]

CHEMISTRY FOR  MEDICAL and ENGINEERING 12 – CHEMICAL EQUILIBRIUM Question – 1. KC for the reaction, N2 +             3H2 ↔         2NH3 is 0.5 mol–2 litre2 at 400 K. Given R = 0.082 litre atm degree–1 mol–1. KP is given by : (A) 4.650×10–4 atm–2 (C) 4.560×10–4 atm–2 (B) 4.648×10–4 atm–2 (D)4.548×10–4 atm–2 Solution : – [...]

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Medical/Engineering Entrance

This item was filled under [ Medical/Engineering Entrance ]

CHEMISTRY 11 – Chemical Kinetics Question – 1. The rate constant of a reaction is 1.5 × 107 sec–1 at 50° C and 4.5 × 107 sec–1 at 100° C. The Arrhenius parameters Ea and A are : (A) 2.3 × 104 J mol–1 & 5.42 × 1010 (C) 2.2 × 104 J mol–1 & [...]

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