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14_Recitation - CHEM 110 State function 1 Referring to the...

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CHEM 110 2 Recitation 14 Figure 05.26-02UNEOC State function 1. Referring to the picture above, which of these statements are true? i. The distance travelled from A to B along the straight line path is a state function. ii. The distance travelled on the curved path from A to B is a state function. iii. The change in elevation from point A to B ( Δ ) is a state function. -------------------------------------------------------------------------------------------------------------------- Which of the following is NOT a state function? i. internal energy (E) ii. heat (q) iii. enthalpy (H) --------------------------------------------------------------------------------------------------------------------- 2. The contents of the boxes represents the system and everything outside the box is the surroundings. The lengths of the arrows are proportional to the magnitude of the energy changes associated with these processes. i) w in (work done on system) is greater than q out ii) w is done on system so internal energy increases. iii) q in is great than w out (work done by the system) 2A. Which of these processes is exothermic? 2B. Which of these processes is endothermic? 2C. Which of these processes has a net increase in internal energy?
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