The HA, monoprotic acid, is dissolved in H2O: Calculate Ka and pKa for the acid HA if The equilibrium concentrations of reactants and products are given as [HA]= 0.270 M,[H^+] = 2.00 x 10^-4 M,[A^-] = 2.00 x 10^-4 M
A mass of 57 g of lead fishing weight absorbs heat of 146 Calories. Determine its final temperature If its initial temperature =48 Centigrade,?