document.write( "Question 667095: 1. For the reaction 2N2O(g) ⇋ O2(g) + 2N2(g), what happens to the equilibrium position if the pressure decreases? \n" );
document.write( "A. Shift to the right \n" );
document.write( "B. Shift to the left \n" );
document.write( "C. Doubles \n" );
document.write( "D. Does nothing \n" );
document.write( "E. Halves \n" );
document.write( "2. if an equilibrium reaction shifts to the right when the system is cooled, this indicates that the reaction is endothermic. \n" );
document.write( "A. True \n" );
document.write( "B. False \n" );
document.write( "3. Which of the following changes will increase reaction rate? \n" );
document.write( "1. An increase in the concentration of reactants \n" );
document.write( "2. An increase in temperature \n" );
document.write( "3. Higher-energy collisions between reacting molecules \n" );
document.write( "A. 1 and 2 only \n" );
document.write( "B. 2 and 3 only \n" );
document.write( "C. 1 and 3 only \n" );
document.write( "D. All of 1,2, and 3 \n" );
document.write( "E. Neither 1,2, or 3 \n" );
document.write( " 4. The rate of a reaction increase with increasing concentrations of reactants because you have more collisions occurring in a given time period. \n" );
document.write( "A. True \n" );
document.write( "B. false \n" );
document.write( "5. The rate of a chemical reaction is inversely proportional to the temperature. \n" );
document.write( "A. True \n" );
document.write( "B. False \n" );
document.write( "6. A chemical equilibrium exists when: \n" );
document.write( "A. The sum of reactant and product concentrations equal on mole. \n" );
document.write( "B. the rate which reactants form products becomes zero. \n" );
document.write( "C. Reactant are completely changed to products. \n" );
document.write( "D. There are equal amounts of reactants and products. \n" );
document.write( "E. The rate at which reactants form products is the same as the rate at which products form reactants.\r \n" );
document.write( "\n" );
document.write( "7. According to the collision theory of chemical reactions: \n" );
document.write( "A. High energy collisions result in few successful reactions as there isn’t sufficient time for the products to react. \n" );
document.write( "B. High energy collisions lead to the successful formation of products. \n" );
document.write( "C. Low energy collisions do not occur in the gas phase. \n" );
document.write( "D. Low energy collisions result in many successful reactions are there is sufficient time for the reactants to form products. \n" );
document.write( "E. All of the above \n" );
document.write( "8. Given N2(g) ⇋ 2 NH3(g), which scenario will allow you to eventually reach an equilibrium mixture involving these chemicals? \n" );
document.write( "A. Place only H2 into a sealed vessel \n" );
document.write( "B. Place only NH3 into a sealed \n" );
document.write( "C. Place only N2 into a sealed vessel. \n" );
document.write( "D. All of the above Scenarios \n" );
document.write( "E. None of the above \n" );
document.write( "9. What must be TRUE for reaction possessing a large equilibrium constant? \n" );
document.write( "A. The reaction rate is slow \n" );
document.write( "B. The forward reaction is favored. \n" );
document.write( "C. The reverse reaction is favored. \n" );
document.write( "D. The reaction rate is fast. \n" );
document.write( "E. None of the above. \n" );
document.write( "10. Consider the reaction: 2N2O(g) ⇋ O2(g)+2N2(g). Which of the following will cause a shift in the equilibrium to the right? \n" );
document.write( "1. Add more N2O \n" );
document.write( "2. Remove O2 \n" );
document.write( "3. Remove N2 \n" );
document.write( "A. 1 and 3 only \n" );
document.write( "B. 2 and 3 only \n" );
document.write( "C. 1 and 2 only \n" );
document.write( "D. All of 1,2, and 3 \n" );
document.write( "E. Neither 1,2, or 3\r \n" );
document.write( "\n" );
document.write( "11. If an equilibrium reaction shifts to the right when the system is cooled, this indicated that the reaction is endothermic. \n" );
document.write( "A. True \n" );
document.write( "B. False \n" );
document.write( "12. Which of the following is a triprotic acid? \n" );
document.write( "A. NH3 \n" );
document.write( "B. Al(OH)3 \n" );
document.write( "C. H3PO4 \n" );
document.write( "D. HNO3 \n" );
document.write( "E. CH3COOH \n" );
document.write( " \n" );
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