400.0 mL of 0.80 mol/L HCl(aq) is poured over excess Zn. Determine the number of moles of HCl(aq) that reacts.

14 days is the half-life of phosphorus-32

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.