Calculate the standard heat generation of CH3OH(l). Given that the standard heat generation of CO2(k), H2O(l) is -94.05 respectively; -238.90 (kcal/mol) and the standard heat of CH3OH(l) is −173.78 kcal/mol

Calculate the h3o+ concentration in a solution of acetic acid if the concentration of molecular acetic acid present at equilibrium is 9.97x10^-3 m and k for the dissociation is 1.86x10^-5. ch3cooh(aq)+h2o(> h3o^+(aq)+ch3coo^-(aq)

Which of the following statements is true? a. elements in the last period are radioactive. b. atomic weight is the same as atomic mass. c. elements in the same group have the same number of electron shells. d. atomic number equals the number of neutrons in the nucleus of an atom.

What is the mass of sodium in 3 moles of sodium chloride