Question

questions 11-13

QUESTION 11 CaCO3 (6) + CaO (8) + CO2 (g) At 423 °C, the reaction reaches equilibrium. If Pco2 -2.89 atm, what is Ke value ? *Please report 3 significant figures. Numbers only, No unit. No scientific notation. QUESTION 12 The decomposition of dinitrogen tetroxide to nitrogen dioxide at 400°C follows first-order kinetics with a rate constant of 4.59 10-31 Starting with pure N204, how many minutes will it take for 42.0% to decompose? *Please report 3 significant figures, Numbers only, No unit. No scientific notation. QUESTION 13 The value of Keq for the following reaction is 0.290 A (g) + B (g) =C()+D (8) The value of Keq at the same temperature for the reaction below is 4C (g) + 4D (g) 4A (8) + 4B (8) *Please report 3 significant figures. Numbers only, no unit. No scientific notation.

Answer 1

la con Ź Caot for this kp=blog because solid is not con Proga 2.89 T=42c T= 42 3+27 3 TE696K Considered Juma 'Constant expression. kespeas - 2.89 $ for ke relation is used. Kp = ke (RT) ang fang - talp = ko q = gesels - (120) ng of product 289 Yoroszx4044 asos gastos, reactant

2.89-6050 --64. D decomposition of Maou first ordes kinetics. Suppose. A. = [40 A+ = [20 - ५ - - - -- + =F8 No +- 2-30 व 120 491-3___0_58 9. 2 0 3x 14.59 + - 2.]012 - x 0.22 4. 9 2 = 115,103 2A +9 CC+D R = 0.29 प८ + D A + 8 <' e reverse the reaction. C+D- ----3 Multiply_0५ ५ 4 (+TD ५ र ____ (6) ५०.37
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