A sample of hydrogen is collected in a flask
over water. The partial pressures are 736 torr for
H, and 22 tort for H2O. What total pressure is
exerted by the mixture of gases?

The nuclear fission process releases neutrons and question 27 options: alpha particles electrons energy beta particles

Mercury metal is poured into a graduated cylinder that holds exactly 22.5 ml the mercury used to fill the cylinder mass in 306.0 g from this information calculate the density of mercury

Acandle’s wick is the fabric string that holds the flame, and it burns down at a constant slow pace when the candle is lit. the wick is usually surrounded by wax. which is the most important property of covalent compounds that makes them useful for making candle wax? a low boiling point a low melting point a high boiling point a high melting point