A high intensity peak in the mass spectrum of 2,2-dimethylpentane is observed at m/z 57. What chemical species does this peak represent?  

How many peaks appear in the proton spin decoupled (no proton signals) 13C NMR spectrum of the compound below?     

What is the product of the reaction shown below?       

What is the IUPAC name of the following diene?   

In the mass spectrum of 2-chloropropane, what is the m/z of the molecular ion peak of greatest intensity?

Which of the following is not true about the M+1 peak?  

EXTRA CREDIT #3 (1 pt) When the ventricles relax, which of the following does NOT occur?

Which of the following molecules is chiral?  

What are the predicted m/z values (masses) and relative heights of all the molecular ions of 2,3-dichlorobutane that would appear on a mass spectrum (excluding peaks produced by 13C and 2H)?          

Which of the compounds below fits the following C-13 NMR spectrum?