If a substance X has a solubility of 7.0×10−13g mL−1, and a molar mass of 187 g mol−1, what is the molar solubility of the substance?

Need on both questionswill markbr />

Which statement is usually true about the relationship between activation energy and reaction rates? low activation energy barriers result in low rates. high activation energy barriers result in low rates. low activation energy barriers result in no reaction. high activation energy barriers result in no reaction.

What determines the average kinetic energy of the particles in a gas? a. the number of collisions b. the number of particles c. the size of the particles d. the temperature