Every year in the United States, there are ____ deaths attributable to secondhand smoke.

Identify the functional groups circled.  

Which of the following statements about nuclear fission is always correct?

Determine which compound is optically active (chiral). [1] 1-bromo-1-chloropropane[2] 2-chloropropane[3] alanine (an amino acid) [4]   

Which of the following can exhibit cis-trans isomerism?  yes = can have cis-trans isomers    no = cannot have cis-trans isomers [1] 1,2-dimethylcyclopentane[2]1-butene[3]2-butene[4] 3-ethyl-3-hexene[5] 2-methylbutane

What type of reaction is this?  2-pentanol 

[1] Which of the following alkane name is correct?  3,3-dipropylpentane, 2,3-dibutylpropane, 3-ethyl-4-methylbutane, 4-ethyl-5-butylheptane     [2] What is the correct IUPAC name for (CH3)2CH(CH2)3CH3? [3] What is the classification of this carbon (the one the arrow is pointing to)?   

Three 5.0 kg spheres are held at distances d1=d2= 0.54 m apart, as shown in the figure. What is the potential energy (in nJ) of the system? Note: 1nJ = 10-9 J.

Identify this structure that courses through the posterior and superior mediastinum and drains into the junction between the left internal jugular vein and left subclavian vein.

The tiniest and toughest pathogens are: