Onversion Dimensional Analysis
Language of Chemistry
A board measures 68 inches.
How many feet is this?
[ ? ] ft?

The correct answer is weight.

Answeramino acids;

Answerδh > 0explanationc₆h₆  (s)  → c₆h₆ (l)if you are changing it from a solid to a liquid, you are pretty much melting the solid. this requires heat energy. therefore, the reaction is endothermic (takes in energy); the system enthalpy increases as the reaction proceeds: δh > 0.