Asample of chloroethane, c2h5cl, absorbs 0.185 kj and begins to vaporize at its normal boiling point of 12.3° c. what is the mass of the chloroethane sample? the molar heat of vaporization for chloroethane is 24.7kj/mol. enter your answer in the space provided. round your answer to the nearest hundredths. *

Astudent states that 9.0 g of baking soda will form an unsaturated solution in 100 g of water. what do you need to know to decide whether this statement is correct? a. the temperature of the water and the molar mass of baking soda b. the percent by volume of the solution and the solubility of baking soda c. the temperature of the water and the solubility of baking soda at that temperature

Is it safe to take 450mg of diphenhydramine hydrochloride?

The movement of tectonic plates and in two locations is described below: location a: tectonic played push together location b: tectonic plates push apart