Which of the Following Processes Are Endothermic

question 5

Multiple Choice

Which of the following processes are endothermic?

• A) the reaction associated with the lattice energy of LiCl
• B) the reaction associated with the ionization energy of potassium
• C) the reaction associated with the heat of formation of CaS
• D) the formation of F₂ from its elements in their standard states
• E) None of the above are endothermic.

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The rank in the food chain of an organism, determined by the number of energy-transfer steps to that level.