How can a molecule such as bcl3 act as an acid if it has no protons to donate?

How much heat is released upon converting one mole of steam (18.0 g) from 100.0 ∘c to water at 25.0 ∘c? show work and constants, trying to figure out how it works. only given the heat capacity for steam and water so try to only use that

Based on the equation and the information in the table, what is the enthalpy of the reaction?

In saturated organic compounds, all the bonds between carbon atoms are called?