CK-2_Le_Chatelier's_Principle_RPT - B. Which way should the...

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Lab Report Assistant: This document is not meant to be a substitute for a formal laboratory report. It is simply a summary of the experiment’s questions and data tables which should be addressed in a formal lab report. The intent is to facilitate student’s writing of lab reports by providing this information in an .rtf format which can be copied and pasted into an electronic document. Le Chatelier’s Principle Part I : Record your observations. Questions In Part I the reaction you observed was Mg(OH) 2 (s) ó Mg 2+ (aq) + 2 OH - (aq). Compare the colors you observed in the experiment and answer these questions: A. Which way should the equilibrium shift when HCl is added? How do your results support your answer?
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Unformatted text preview: B. Which way should the equilibrium shift when Na 2 EDTA is added? How do your results support your answer? C. Is this reaction endothermic or exothermic? How do you know? Part II : Record your observations. Questions In Part II the reaction you observed was HSO 4-(aq) + H 2 O (l) H 3 O + (aq)+SO 4 2-. Compare the colors you observed in the experiment and answer these questions: A. Which way should the equilibrium shift when Na 2 SO 4 is added? How do your results support your answer? B. Which way should the equilibrium shift when NaHSO 4 is added? How do your results support your answer? C. Is this reaction endothermic or exothermic? How do you know?...
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This note was uploaded on 02/13/2012 for the course CHEMISTRY chem 104 taught by Professor Lewis during the Spring '11 term at Jefferson Community and Technical College.

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