Template by Becky Afghani, 2007 Jeopardy Honors Chemistry Chemical Kinetics and Chemical Equilibrium GAME BOARDDIRECTIONS

Template by Becky Afghani, 2007 Directions GAME BOARD The Game Board Slide: Click on a dollar amount to see the question. After a question has been attempted the dollar amount will disappear. The Question Slides: Use the space bar or right arrow on the keyboard to see the answer. Click the Game Board button to return to the game board. Start with the game board. When a student or team selects a category and a dollar amount, click it with the mouse. The question will appear. Use the right arrow or space bar on the keyboard to see the answer. Click the game board button to return to the game board. Repeat. Press the Esc button on the keyboard to stop playing.

Template by Becky Afghani, 2007 DIRECTIONSTITLE PAGE Chemical Kinetics Surprise!K’s and Q’s Equilibrium Constants Le Chat’s Principle $100 $200 $300 $400 $500 Thermochemistry Jeopardy Final Jeopardy

Template by Becky Afghani, 2007 Chemical Kinetics $100 The rates of most chemical reactions _______ as the temperature rises. Increase GAME BOARD Use space bar or right arrow on keyboard to see answer.

Template by Becky Afghani, 2007 Chemical Kinetics $200 Why would crushing a solid solute into a powder cause it to react at a quicker rate? Amount of exposed surface area increases GAME BOARD Use space bar or right arrow on keyboard to see answer.

Template by Becky Afghani, 2007 Chemical Kinetics $300 Why do gases and liquids have faster reaction rates than solids? More KE = more collisions GAME BOARD Use space bar or right arrow on keyboard to see answer.

Template by Becky Afghani, 2007 Chemical Kinetics $400 A catalyst lowers the ___________ for a chemical reaction by providing a completely different mechanism for the reaction. Activation energy GAME BOARD Use space bar or right arrow on keyboard to see answer.

Template by Becky Afghani, 2007 Chemical Kinetics $500 Name the 2 requirements for an effective collision. Correct orientation, enough energy GAME BOARD Use space bar or right arrow on keyboard to see answer.

Template by Becky Afghani, 2007 Surprise! $100 What would have the faster reaction rate: a double replacement reaction involving two ionic aqueous solutions or the decomposition of a solid covalent compound? Ionic aqueous solutions GAME BOARD Use space bar or right arrow on keyboard to see answer.

Template by Becky Afghani, 2007 Surprise! $200 Biological catalysts within living systems such as the human body are called: enzymes GAME BOARD Use space bar or right arrow on keyboard to see answer.

Template by Becky Afghani, 2007 Surprise! $300 When the rate of the forward reaction equals the rate of the reverse a _______ equilibrium has been reached. dynamic GAME BOARD Use space bar or right arrow on keyboard to see answer.

Template by Becky Afghani, 2007 Surprise! $400 If the concentration of a reactant is cut in half, and the reaction rate is reduced by ¼ of the time, what order is this reactant? 2nd GAME BOARD Use space bar or right arrow on keyboard to see answer.

Template by Becky Afghani, 2007 Surprise! $500 True or False: A system must be closed in order for equilibrium to occur. True GAME BOARD Use space bar or right arrow on keyboard to see answer.

Template by Becky Afghani, 2007 Equilibrium Constants $100 What two substances are included in an equilibrium expression? Gaseous and aqueous substances GAME BOARD Use space bar or right arrow on keyboard to see answer.

Template by Becky Afghani, 2007 Equilibrium Constants $200 If Keq = 0.75, are the products or the reactants favored? reactants GAME BOARD Use space bar or right arrow on keyboard to see answer.

Template by Becky Afghani, 2007 Equilibrium Constants $300 Write an equilibrium expression (Keq) for the reaction below: Sb 2 S 3 (s) + H 2 (g)  Sb(s) + H 2 S(g) Keq = [H 2 S] [H 2 ] GAME BOARD Use space bar or right arrow on keyboard to see answer.

Template by Becky Afghani, 2007 Equilibrium Constants $400 Write an equilibrium expression (Keq) for the reaction below: 3 Ca 2+ (aq) + 2 PO 4 3- (aq)  Ca 3 (PO 4 ) 2 (s) Keq = _____1_____ [Ca 2+ ] 3 [SO 4 2- ] 2 GAME BOARD Use space bar or right arrow on keyboard to see answer.

Template by Becky Afghani, 2007 Equilibrium Constants $500 Find the value of the equilibrium constant using the equilibrium data below. CO(g) + 3H 2 (g)  CH 4 (g) + 3 H 2 O(g) [CO]= 4.0M, [H 2 ]= 2.8M, [CH 4 ]= 0.75M; [H 2 O]=0.12M Keq = 1.48x10 -5 GAME BOARD Use space bar or right arrow on keyboard to see answer.

Template by Becky Afghani, 2007 K’s and Q’s $100 If the value of Q = K, how will a reaction proceed to reach equilibrium? Reaction is at equilibrium GAME BOARD Use space bar or right arrow on keyboard to see answer.

Template by Becky Afghani, 2007 K’s and Q’s $200 If the value of K > 1, does the equilibrium lie to the right or the left? Lies to the right (product side) GAME BOARD Use space bar or right arrow on keyboard to see answer.

Template by Becky Afghani, 2007 K’s and Q’s $300 If Q > K, how will a reaction proceed to reach equilibrium? Q must decrease, so reaction proceeds to the left (reactants) GAME BOARD Use space bar or right arrow on keyboard to see answer.

Template by Becky Afghani, 2007 K’s and Q’s $400 If k eq = 5.10, find the value of Q and predict how the reaction will proceed. CO(g) + H 2 O(g)  H 2 (g) + CO 2 (g) [CO]= 0.15M, [H 2 O]= 0.25M, [H 2 ]= 0.42M; [CO 2 ]=0.37M Q= 4.14 < K, Q must increase so reaction proceeds to right (products) GAME BOARD Use space bar or right arrow on keyboard to see answer.

Template by Becky Afghani, 2007 K’s and Q’s $500 A sealed vessel is charged at 1000 K and initially contains 0.65M SO 3. At equilibrium, the concentration of SO 3 is 0.28M. Calculate Keq for this reaction. 2 SO 3 (g)  2 SO 2 (g) + O 2 (g) Keq = 0.32 M GAME BOARD Use space bar or right arrow on keyboard to see answer.

Template by Becky Afghani, 2007 Le Chat’s Principle $100 N 2 (g) + 3 H 2 (g)  2 NH 3 (g) Which direction will the equilibrium shift if: H 2 is added to the system? To the right GAME BOARD Use space bar or right arrow on keyboard to see answer.

Template by Becky Afghani, 2007 Le Chat’s Principle $200 N 2 (g) + 3 H 2 (g)  2 NH 3 (g) Which direction will the equilibrium shift if: N 2 is removed from the system? To the left GAME BOARD Use space bar or right arrow on keyboard to see answer.

Template by Becky Afghani, 2007 Le Chat’s Principle $300 N 2 (g) + 3 H 2 (g)  2 NH 3 (g) ∆H= kJ/mol Which direction will the equilibrium shift if: The temperature of the container is increased? To the left. GAME BOARD Use space bar or right arrow on keyboard to see answer.

Template by Becky Afghani, 2007 Le Chat’s Principle $400 N 2 (g) + 3 H 2 (g)  2 NH 3 (g) Which direction will the equilibrium shift if: The volume of the container is decreased? To the right. GAME BOARD Use space bar or right arrow on keyboard to see answer.

Template by Becky Afghani, 2007 Le Chat’s Principle $500 MgCl 2 (aq) + 2 NaBr(aq)  MgBr 2 (aq) + 2 NaCl(aq) Which direction will the equilibrium shift if: The volume of the container is increased? No effect- no gases present GAME BOARD Use space bar or right arrow on keyboard to see answer.

Template by Becky Afghani, 2007 Final Jeopardy Name each phase change: Gas  Liquid Liquid  Solid Solid  Gas Gas  Solid Solid  Liquid Liquid  Gas GAME BOARD Use space bar or right arrow on keyboard to see answer.