The theoretical yield of a particular reaction is 167.5 grams of product. If after performing the reaction in the laboratory
you recovered 153.2 grams of product, what is your percent
yield?

it would be a gas formation

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.

i think it's letter a.