A 12-inch diameter ball of pure cobalt metal at 225°C was placed in 10.0 gal of water at 15.0 °C. What is the final temperature of the water? Assume no heat is lost to the surroundings. (sp. ht for cobalt is 0.421 J/gºC,
density of cobalt = 8.832 g/cm°, 1 gal = 3.785 L, V (sphere) = 4/3 tr?
169°C
b. 120°C
69.3°C
22.5°C
45.6°C
C.
d
e

3.) for each of the following compounds, draw the major organic product of reaction with hcl or naoh and circle whether the starting materials and products will be more soluble in organic solvent or water benzoic acid + hcl: benzoic acid + naoh: oh benzoic acid water/organic water organic fluorenone hс: fluorenone + naoh: fluorenone water/organic water/organic веnzocaine + hci: benzocaine + n»oh: h2n benzocaine water/organic water organic o=