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Identify the structure with molecular formula C9H12 that is consistent with the following spectroscopic data.   1H NMR: 1.2 ppm (doublet, I = 6H), 3.0 ppm (septet, I = 1H), 7.1 ppm (multiplet, I = 5H)

For this question, answer it on your work paper. In the box below, type “complete” when finished. Make sure to show all of your work Consider the voltaic cell constructed using the following reaction: Ni (s) + Pb2+ (aq) → Ni2+ (aq) + Pb (s) Calculate the cell potential (Ecell) when [Pb2+] = 1.87 M and [Ni2+] = 0.420 M Standard reduction potentials document Exam equations sheet

Predict the major product for the reaction shown.

What was the first major stage of the hospital evolution?

Identify the expected major product of the following Diels-Alder reaction.

Consider the following balanced redox reaction: Cr2O72- (aq) + 6 I- (aq) + 14 H+ (aq) → 2 Cr3+ (aq) + 3 I2 (s) + 7 H2O (l) Which element was oxidized during this reaction?

Identify from the following compounds the conjugated diene.

For this question, answer it on your work paper. In the box below, type “complete” when finished. Make sure to show all of your work. Below is an example of a galvanic cell.  It is built using the following components:  a zinc electrode in zinc sulfate solution and silver electrode in silver sulfate solution.  The salt bridge contains sodium sulfate.                On the diagram below:  a) Describe or label the location of the cathode and anode and specify the polarity of each.             b) What would the reactions be at the cathode and anode side (Label or describe) c) Describe or label the direction in which the sodium ions move.                                                          d) Describe or label the direction in which the electrons move.                                                               e) Which medal will decrease in mass.  Explain       Reaction:  _________________________                       Reaction:  _________________________

In the history of health care reform in the United States, which of the following forces have been dominant over other forces?

For this question, answer it on your work paper. In the box below, type “complete” when finished. Make sure to show all of your work. Consider the voltaic cell that uses the following reaction: Zn (s) + Pb2+ (aq) → Zn2+ (aq) + Pb (s) Calculate the cell potential (Ecell) when [Pb2+] = 2.54 M and [Zn2+] = 0.157 M Standard reduction potentials document Exam equations sheet