The definition of an exothermic reaction is releasing heat and endothermic reaction is an absorption of heat.This reaction is exothermic because it releases heat and doesn't absorb it when mixing hydrochloric acid with water.
Exothermic because you are releasing heat not absorbing.
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- An ideal gas (which is is a hypothetical gas that conforms to the laws governing gas behavior) confined to a container with a massless piston at the top. (Eigure 2) A massless wire is attached to the piston. When an external pressure of 2.00 atm is applied to the wire, the gas compresses from 4.40 to 2.20 L. When the external pressure is increased to 2.50 atm, the gas further compresses from 2.20 to 1.76 L. In a separate experiment with the same initial conditions, a pressure of 2.50 atm was applied to the ideal gas, decreasing its volume from 4.40 to 1.76 L in one step. If the final temperature was the same for both processes, what is the difference between q for the two-step process and g for the one-step process in joules? Express your answer with the appropriate units. View Available Hint(s) HA Value Submit Units Previous Answers ?