Chapter 4 & 5Supplemental InstructionIowa State UniversityLeader: KatieCourse: Chem 177Instructor: KingstonDate: September 27, 20101. a) What volume of 0.115M HClO4 solution is needed to neutralize 50.0mL of 0.0875M NaOH?b) What volume of 0.128 M HCl is needed to neutralize 2.87g of Mg(OH)2?c) IF 25.8 mL of AgNO3 is needed to precipitate all the Cl- ions in a 785mg sample of KCl (forming AgCl), what is the molarity of the AgNO3 solution?d) IF 45.3 mL of 0.108M HCl solution is needed to neutralize a solution of KOH, how many grams of KOH must be present in the solution?2. The distinctive odor of vinegar is due to acetic acid, CH3COOH, which reacts with sodium hydroxide in the following fashion: CH3COOH(aq) + NaOH(aq) H2O(l) + NaCH3COO(aq)If 3.45 mL of vinegar needs 42.5 mL of 0.115 M NaOH to reach the equivalence point in a titration, how many grams of acetic acid are in a 1.00qt sample of this vinegar?3. Define the following terms: a) thermodynamics:b) energy:c) kinetic energy:d) potential energy:e) calorie:f) change in enthalpy:Supplemental Instruction1060 Hixson-Lied Student Success Center v 294-6624 v www.si.iastate.edu4. a) Calculate the kinetic energy in joules of a 45g golf ball moving at 61 m/s.b) Convert this energy to calories.c) What happens to this energy when the ball lands in a sand trap?5. a) What is meant by the term system in thermodynamics?b) What is a closed
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