Be sure to answer all parts. treatment of molecule a with mg forms a grignard reagent that reacts with ch2═o to form h after water is added to the reaction mixture. h has a molecular ion in its mass spectrum at m/z = 86, and shows fragments at 71 and 68. h exhibits absorptions in its ir spectrum at 3600−3200 and 1651 cm−1, and has the 1h nmr spectrum given below. draw the structure of h.

a pan containing water is placed in a positio n where it is exposed to a 10 mile per hour wind. the pan contains a uniform depth of 1.27 cm of water, is quite wide, and has a length of 2.44 m in the wind direction. the water in the pan is at a constant temperature of 15.5 °c.

atomic mass = 39

number of neutrons = 20

number of protons= 19

electronic configuration = 1s2 2s2 2p6 3s2 3p6 4s1

the number of electron in first shell = 2

number of electrons in n=3 shell = 8