Chemistry
Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Photochemistry
Photochemistry is the part of chemistry that studies the various mechanisms of reactions that are triggered by the presence of light energy. It also helps to study the changes involved in a molecule that can undergo the absorption of radiation.
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Considering the following precipitation reaction: \[ \text{Pb(NO}_3\text{)}_2\text{(aq)} + 2\text{KI(aq)} \rightarrow \text{PbI}_2\text{(s)} + 2\text{KNO}_3\text{(aq)} \] What is the correct net ionic equation? - \( \text{Pb}^{2+} + 2\text{I}^- \rightarrow \text{PbI}_2\text{(s)} \) - \( \text{Pb}^{2+} + \text{I}_2 \rightarrow \text{PbI}_2\text{(s)} \) - \( 2\text{NO}_3^- + 2\text{K}^+ \rightarrow 2\text{KNO}_3 \) - \( \text{Pb}^{2+} + 2\text{NO}_3^- + 2\text{K}^+ + 2\text{I}^- \rightarrow \text{PbI}_2\text{(s)} + 2\text{K}^+ + 2\text{NO}_3^- \)
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Transcribed Image Text:Considering the following precipitation reaction: \[ \text{Pb(NO}_3\text{)}_2\text{(aq)} + 2\text{KI(aq)} \rightarrow \text{PbI}_2\text{(s)} + 2\text{KNO}_3\text{(aq)} \] What is the correct net ionic equation? - \( \text{Pb}^{2+} + 2\text{I}^- \rightarrow \text{PbI}_2\text{(s)} \) - \( \text{Pb}^{2+} + \text{I}_2 \rightarrow \text{PbI}_2\text{(s)} \) - \( 2\text{NO}_3^- + 2\text{K}^+ \rightarrow 2\text{KNO}_3 \) - \( \text{Pb}^{2+} + 2\text{NO}_3^- + 2\text{K}^+ + 2\text{I}^- \rightarrow \text{PbI}_2\text{(s)} + 2\text{K}^+ + 2\text{NO}_3^- \)
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