Test%202%20Review

# Test%202%20Review - happen to – Reaction rate –...

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The Test 2 Review Chapters 16 and 17

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Review Given a reaction: H2 + Cl2  2 HCl Rate H2 (mol/L) Cl2 (mol/L) 0.00115 0.148 0.215 0.00115 0.148 0.430 0.01840 0.592 0.215 0.01840 0.592 0.215 Solve for the rate law including a value for k with the appropriate units.
Review Given the rate law from the previous slide, if there is initially 0.155 mol/L of H2 and 0.255 mol/L of Cl2 how much H2 will be left after 225 seconds? Given the rate law from the previous slide what is the initial rate of HCl?

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Review Is this a plausible reaction mechanism for the reaction we’ve been working with? H2 + H2  4 H ( slow ) H + Cl2  HCl + Cl ( fast ) H + Cl  HCl ( fast ) 2 H  H2 ( fast ) What are the intermediates?
Review What is the half-life for the reaction? If you raised temperature what would

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Unformatted text preview: happen to: – Reaction rate – Half-life • Draw a transition state for this reaction. New Problem Given the reaction: C( s ) + O2 ( g ) CO2 ( g ) K = 12.5 With initially 0.250 atm of CO2 and 12,525 g of carbon, solve for the equilibrium concentrations. Another new problem • Given this reaction: 4 H3PO4 ( aq ) 6 H2 ( g ) + 8 O2 ( g ) + P4 ( s ) Kc = 4.18 * 10-46 Solve for the final concentrations of each chemical if initially there is 1.038 M of H3PO4 Le Chat’s • Staying with this reaction: 4 H3PO4 ( aq ) 6 H2 ( g ) + 8 O2 ( g ) + P4 ( s ) Predict all of the ways this reaction can shift to the left, given that this reaction is endothermic....
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