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CHEM 1220 SP2025 (18215) Exam 4- Requires Respondus LockDown Browser

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For each of the following reactions, will ΔSsys be positive, negative or zero? I. SrCO3(s) → Sr2+(aq) + CO32–(aq)   [ Select ] zero positive negative II. CH3NH2(g) + HCl(g) → CH3NH3Cl(s)  [ Select ] positive zero negative III. 2 H2O2(g) → O2(g) + 2 H2O(g)   [ Select ] negative zero positive 09B

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For this question, we need to judge the sign of the entropy change of the system (ΔSsys) for each reaction. I. SrCO3(s) → Sr2+(aq) + CO3 2–(aq) - In a solid salt dissolving into aqueous ions, the solid state becomes disperse......Login to view full explanation

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