8. When solid ammonium nitrate is added to water, the solution feels cold to the hand. Which statement best describes th

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8 When Solid Ammonium Nitrate Is Added To Water The Solution Feels Cold To The Hand Which Statement Best Describes Th 1 (14.6 KiB) Viewed 37 times

8. When solid ammonium nitrate is added to water, the solution feels cold to the hand. Which statement best describes this observation? A) Heat is released from the system, so it feels colder. B) The potential energy of the surroundings has increased D) The reaction is exothermic E) NH.NO → NH.NOx)+31kJ C) The reaction is endothermic 9. The rate law for a certain reaction is Rate k[A]2. If the concentration of both A and B is doubled, the rate of the reaction will increase by a factor of A) 16 B) 1 C) 2 D) 8 E) 4