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4 cards from this section. Quick, good the night before a test.
What is an endothermic reaction?
Think of processes that require energy input to occur.
Give an example of an endothermic reaction.
Consider how plants gain energy.
What occurs in endothermic reactions?
Consider how these reactions feel thermally.
In endothermic reactions, what is the sign of ΔH?
Reflect on the meaning of energy change in these processes.
A certain chemical reaction absorbs 150 kJ of energy while producing products with a total energy of 450 kJ. Calculate the total energy of the reactants and evaluate if the reaction is endothermic or exothermic.
Use the ΔH equation and consider the effects of energy absorption.
A lab experiment shows that when ammonium nitrate dissolves in water, it causes a drop in temperature. Based on your understanding, categorize this process and explain.
Think of how certain substances interact thermally with water.
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