In the determination of the enthalpy of reaction of nitric acid and sodium

In the determination of the enthalpy of reaction of

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6.In the determination of the enthalpy of reaction of nitric acid and sodium hydroxide, if the same pipette used for HNO3was used for the addition of NaOH, what will the observed enthalpy be compared to its theoretical value? A.Greater than B.Less than C.Equal D.Cannot be determined 7.When substance X is dissolved in water, there it does not conduct electricity. 324g of substance X is dissolved in 2.4 kg of water. The solution froze at -6.97 °C. What is the molar mass of substance X? 8.Which among the following substance would be the best insulator when dissolved in distilled water? 9.There are equal amounts of dry gas in two eudiometers. Eudiometer A has trapped gas above a 0.5m solution. Eudiometer B has trapped gas above a 1m of the same solution. Which of the setups will have a greater trapped gas pressure? 10. Which of the following are always true in calorimetry: I.The magnitudes of the heat of a reaction and the heat absorbed by the universe are equal. II.Reactions in a bomb calorimeter are isobaric processes. 1 For number 14, assume Case A. 2 Citric acid is a triprotic acid
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Prepared by: UPD College of Science Freshie Shiftee Transferee Circle ‘18-’19 First Semester III. Coffee cup calorimetry can only be used for exothermic reactions. IV. Heat capacity can be a negative value. A.I, II, III, IV B.I, III, IV C.II, IV D.None of the above
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  • Spring '19
  • Avena
  • Thermodynamics, UPD College of Science Freshie Shiftee Transferee Circle

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