What volume of H2 gas at 750.0 mmhm and 25 degrees C is produced from the reaction of 50.0 mL of 0.214 M H2SO4 and 0.300 g of Al?

What happens to the atomic radius when an elctron is lost

Light waves travel than sound waves.

Kp is the equilibrium constant for dissociation of the propionic acid dimer. what is the sign of the slope for a plot of the natural logarithm of kp vs. inverse temperature for this reaction?