16 Equilibrium Calculations

# 16 Equilibrium Calculations - Nitrogen and hydrogen gases...

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1 Solving Stoichiometry Problems with a RICE Table Nitrogen and hydrogen gases react to produce ammonia. Determine the equilibrium concentrations of N 2 and H 2 when 0.4 moles of N 2 and 0.60 moles of H 2 are combined to produce 0.10 mol of NH 3 in a 1.0 L container. 0.0+2X 0.60 3X 0.40 X E quilibrium +2X 3X X C hange 0.0 M 0.6 M 0.4 M I nitial 2NH 3 3H 2 N 2 R eaction Do you have an answer? A) yes 2 0.40 moles of N 2 and 0.60 moles of H 2 are combined to produce 0.10 mol of NH 3 in a 1.0 L container. 0.0+2X 0.60 3X 0.40 X E quilibrium +2X 3X X C hange 0.0 M 0.60 M 0.40 M I nitial 2NH 3 3H 2 N 2 R eaction [NH 3 ] = 2X = 0.10 M X = 0.05 [N 2 ] = 0.35 M [H 2 ] = 0.45 M

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3 Exam 2 (Monday, March 15) Problems from Solving Real Problems with Chemistry SRPC #13 Time of Death Main Problem, p. 80 , Got It! p. 84 SRPC #15 Making Soap Less Irritating Main problem, p. 92 & Got It! p. 96 Other activities are scheduled You need this book, bookstore is returning unsold copies this week. 6 Today’s To Do Solve equilibrium stoichiometry problems.
7 1) Identify the problem type. Given K and initial conditions Amounts or concentrations at equilibrium.

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