What is the boiling point of a solution containing 0.144 g of eugenol dissolved in 10.0 g of benzene

The boiling point of solution is 80.32°C

Explanation:

To calculate the molality of solution, we use the equation:

Where,

= Given mass of solute (eugenol) = 0.144 g

= Molar mass of solute (eugenol) = 164.2 g/mol

= Mass of solvent (benzene) = 10.0 g

Putting values in above equation, we get:

To calculate the elevation in boiling point, we use the equation:

where,

= elevation in boiling point =

Boiling point of pure solution (benzene) = 80.1°C

i = Vant hoff factor = 1 (For non-electrolytes)

= molal boiling point elevation constant = 2.53°C/m

m = molality of solute = 0.088 m

Putting values in above equation, we get:

Hence, the boiling point of solution is 80.32°C

answer is: c. the experiment shows that the red substance experienced a chemical change.

this is chemical change (chemical reaction), because two new substances are formed (metalig liquid and gas), the atoms are rearranged and the reaction is followed by an energy change.

this is example of chemical decomposition.

chemical decomposition (analysis) is the separation of a single chemical compound into its two or more elemental parts or to simpler compounds.  

chemical decomposition is opposite of chemical synthesis.

it should be all of them because it asks if you included all of those in your answer

explanation: