0.10 mol of NaOH is added to 0.30 mol of weak acid HX in a total volume of 1.00 L. The pH of the resultant solution is 8.65. What is Ka for HX

Asample of aluminum foil contains 8.60 × 1023 atoms. what is the mass of the foil?

The diagram below shows the movement of particles. what does this piece of evidence best support? the collision theory the maxwell-boltzmann distribution the effect of pressure on reaction rates the effect of temperature on reaction rates

Energy defines the different "states" of matter. in no more than 3 sentences, describe the amount of kinetic energy that each of the 3 states of matter possesses and relate that to the atom/molecular motion of each "state".