Phenacetin can be prepared from p-acetamidophenol, which has a molar mass of 151.16 g/mol, and bromoethane, which has a molar mass of 108.97 g/mol. The density of bromoethane is 1.47 g/mL. One-to-one reaction of p-acetamidophenol with bromoethane to form phenacetin What is the yield in grams of phenacetin, which has a molar mass of 179.22 g/mol, possible when reacting 0.151 g of p-acetamidophenol with 0.12 mL of bromoethane

The formation of a solid, also known as a is an indication of a chemical change. precipitate particulate particle powder

Agroup of students is studying convection current. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other is in an area with warm air. after 10 minutes, the balloon are released from a height of 1 meter. which of the following to the students most likely observe? a) the warm balloon expands and rises. the cold balloon shrinks and sinks b) the balloon both rise. the cold balloon is larger than the warm balloon c) the cold balloon expands and rises. the warm balloon shrinks and sinks d) the balloon rise at the same rate. both balloons are the same size

What is the chemical formula of magnesium bromide? a. mgbr2 b. mgbr c. mg2br2 d. mg2br