Ib Chemistry Hl May 2012 Paper 2 Access

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“2.00 g of Mg reacts with 200 cm³ of 0.50 mol dm⁻³ HCl. Calculate the volume of H₂ gas produced at RTP (298 K, 100 kPa).” Ib Chemistry Hl May 2012 Paper 2

“For ( N_2 + 3H_2 \rightleftharpoons 2NH_3 ), ( K_c = 4.0 ) at 500 K. Initial [N₂] = 0.10 M, [H₂] = 0.10 M. Find equilibrium [NH₃].” Today, this paper is primarily "told" as a

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Rate = ( k[A][B]^2 ) (overall order 3).