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Posted: **Wed Jul 06, 2022 11:09 am**

: Question 3 4 Pts Classify The Energy Exchange As Heat Or Work And Give The Sign Of The Energy Change Relative To The Sys 1 (35.08 KiB) Viewed 12 times

: Question 3 4 Pts Classify The Energy Exchange As Heat Or Work And Give The Sign Of The Energy Change Relative To The Sys 2 (41.75 KiB) Viewed 12 times

Question 3 4 pts Classify the energy exchange as heat or work and give the sign of the energy change relative to the system. A supersaturated solution crystallizes and the temperature increases. (The "system" is the crystallization of the dissolved salt.) O Work, w<0 Heat, q0 Work, wo Heat, q>0
Canvas Question 17 This is a bonus question worth 4 points. Type your answer is the text box below. When the salt NH4Cl dissolves the water, the dissolution reaction is endothermic. NH4CI (s)-> NH₂Cl(aq) a) (1 pt.) What is the sign of delta H for the process? b) (1 pt.) Does the temperature of solution increase or decrease? c) (2 pts.) Explain how you arrived at your answer to part b. Edit Format Table Ā 12pt Paragraph B IUA 2 T² * V Ev !!! li Alignment and Lists 0 pts