Chem 12 Experiments
- Page ID
- 94004
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\(\newcommand{\avec}{\mathbf a}\) \(\newcommand{\bvec}{\mathbf b}\) \(\newcommand{\cvec}{\mathbf c}\) \(\newcommand{\dvec}{\mathbf d}\) \(\newcommand{\dtil}{\widetilde{\mathbf d}}\) \(\newcommand{\evec}{\mathbf e}\) \(\newcommand{\fvec}{\mathbf f}\) \(\newcommand{\nvec}{\mathbf n}\) \(\newcommand{\pvec}{\mathbf p}\) \(\newcommand{\qvec}{\mathbf q}\) \(\newcommand{\svec}{\mathbf s}\) \(\newcommand{\tvec}{\mathbf t}\) \(\newcommand{\uvec}{\mathbf u}\) \(\newcommand{\vvec}{\mathbf v}\) \(\newcommand{\wvec}{\mathbf w}\) \(\newcommand{\xvec}{\mathbf x}\) \(\newcommand{\yvec}{\mathbf y}\) \(\newcommand{\zvec}{\mathbf z}\) \(\newcommand{\rvec}{\mathbf r}\) \(\newcommand{\mvec}{\mathbf m}\) \(\newcommand{\zerovec}{\mathbf 0}\) \(\newcommand{\onevec}{\mathbf 1}\) \(\newcommand{\real}{\mathbb R}\) \(\newcommand{\twovec}[2]{\left[\begin{array}{r}#1 \\ #2 \end{array}\right]}\) \(\newcommand{\ctwovec}[2]{\left[\begin{array}{c}#1 \\ #2 \end{array}\right]}\) \(\newcommand{\threevec}[3]{\left[\begin{array}{r}#1 \\ #2 \\ #3 \end{array}\right]}\) \(\newcommand{\cthreevec}[3]{\left[\begin{array}{c}#1 \\ #2 \\ #3 \end{array}\right]}\) \(\newcommand{\fourvec}[4]{\left[\begin{array}{r}#1 \\ #2 \\ #3 \\ #4 \end{array}\right]}\) \(\newcommand{\cfourvec}[4]{\left[\begin{array}{c}#1 \\ #2 \\ #3 \\ #4 \end{array}\right]}\) \(\newcommand{\fivevec}[5]{\left[\begin{array}{r}#1 \\ #2 \\ #3 \\ #4 \\ #5 \\ \end{array}\right]}\) \(\newcommand{\cfivevec}[5]{\left[\begin{array}{c}#1 \\ #2 \\ #3 \\ #4 \\ #5 \\ \end{array}\right]}\) \(\newcommand{\mattwo}[4]{\left[\begin{array}{rr}#1 \amp #2 \\ #3 \amp #4 \\ \end{array}\right]}\) \(\newcommand{\laspan}[1]{\text{Span}\{#1\}}\) \(\newcommand{\bcal}{\cal B}\) \(\newcommand{\ccal}{\cal C}\) \(\newcommand{\scal}{\cal S}\) \(\newcommand{\wcal}{\cal W}\) \(\newcommand{\ecal}{\cal E}\) \(\newcommand{\coords}[2]{\left\{#1\right\}_{#2}}\) \(\newcommand{\gray}[1]{\color{gray}{#1}}\) \(\newcommand{\lgray}[1]{\color{lightgray}{#1}}\) \(\newcommand{\rank}{\operatorname{rank}}\) \(\newcommand{\row}{\text{Row}}\) \(\newcommand{\col}{\text{Col}}\) \(\renewcommand{\row}{\text{Row}}\) \(\newcommand{\nul}{\text{Nul}}\) \(\newcommand{\var}{\text{Var}}\) \(\newcommand{\corr}{\text{corr}}\) \(\newcommand{\len}[1]{\left|#1\right|}\) \(\newcommand{\bbar}{\overline{\bvec}}\) \(\newcommand{\bhat}{\widehat{\bvec}}\) \(\newcommand{\bperp}{\bvec^\perp}\) \(\newcommand{\xhat}{\widehat{\xvec}}\) \(\newcommand{\vhat}{\widehat{\vvec}}\) \(\newcommand{\uhat}{\widehat{\uvec}}\) \(\newcommand{\what}{\widehat{\wvec}}\) \(\newcommand{\Sighat}{\widehat{\Sigma}}\) \(\newcommand{\lt}{<}\) \(\newcommand{\gt}{>}\) \(\newcommand{\amp}{&}\) \(\definecolor{fillinmathshade}{gray}{0.9}\)- 1: Chemical Kinetics - The Method of Initial Rates (Experiment)
- The objectives of this experiment are to determine the rate law of a chemical reaction using the Method of Initial Rates, to determine the activation energy of the reaction by finding the value of the rate constant, k , at several temperatures, and to observe the effect of a catalyst on the reaction rate.
- 2: Determination of Kc for a Complex Ion Formation (Experiment)
- The objectives of this experiment are to find the value of the equilibrium constant for formation of FeSCN2+ by using the visible light absorption of the complex ion and to confirm the stoichiometry of the reaction.
- 3: Le Chatelier's Principle (Experiment)
- The objectives of this experiment are to perturb chemical reactions at equilibrium and observe how they respond, to explain these observations using Le Chatelier’s Principle, and to relate Le Chatelier’s Principle to the concept of coupled reactions.
- 4: Determining the Equivalent Mass of an Unknown Acid by Titration (Experiment)
- The objectives of this experiment are to perform an analytical titration, to standardize a basic solution, and to determine the equivalent mass of an unknown acid.
- 5: pH Measurement and Its Applications (Experiment)
- The objectives of this experiment are to measure the pH of various solutions using pH indicators and meter, to determine the value of Ka for an unknown acid, to perform a pH titration (OPTIONAL, if time permits), and to create and study the properties of buffer solutions.
- 6: Qualitative Analysis of Group I Ions (Experiment)
- The objectives of this experiment are to follow a classic analytical scheme to separate and identify the ions in a known mixture of Group 1 cations, and then to then apply this scheme to identify the ions in an unknown mixture of Group 1 cations.
- 7: Qualitative Analysis of Group III Ions (Experiment)
- The objectives of this experiment are to follow a classic qualitative analysis scheme to separate and identify the ions in a known mixture of Group III cations, and then to apply this scheme to identify the Group III cations present in an unknown sample.
- 8: Qualitative Analysis of Anions Using Spot Plates (Experiment)
- The objective of this experiment is to use spots tests to identify common anions in an aqueous solution.
- 9: Electrolytic Determination of Equivalent Mass (Experiment)
- The objective of this experiment is to use electrolysis to determine the equivalent mass of an unknown metal.
- 10: Determination of the Molar Mass by Freezing Point Depression (Experiment)
- The objective of this experiment is to determine the molar mass of an unknown solid using the colligative property of freezing point depression.
- 11: Solubility and Borax (Experiment)
- The objectives of this experiment are to learn about the solubility and solubility equilibria, to see how equilibrium constants change with temperature, and to determine the values of ΔHo, ΔSo, and ΔGo for a reaction.