When 30.0 g of KI is dissolved in 60.0 mL of distilled water in a calorimeter, the temperature drops from 25.0 °C to 20.0 °C. Calculate the enthalpy of solution in kJ•mol-1 for KI.

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Heat energy, carbon dioxide, and water are released through which process? a. photosynthesis b. depolymerization c. digestion d. cellular respiration

Four statements about the development of the atomic model are shown below. a: electrons have wavelike properties. b: atoms have small, negatively charged particles. c. the center of an atom is a small, dense nucleus. d: atoms are hard, indivisible spheres. which order of statements represents the historical development of the atomic model? c-d-a-b c-d-b-a d— в-а — с d-b-c-a

What is the correct name for hg(no3)2? mercury (i) nitrate mercury (ii) nitrate mercury nitroxide mercury dinitride