Estimate the values of pKa and pKb of the conjugate acid-base pair that controls the pH of the aqueous solution during the titration (when the volume of HCl added is between 5 and 20 cm3 ).

Rutherford's experiment indicated that matter was not as uniform as it appears what part of his experimental results implied this idea

In 1901, thomas edison invented the nickel-iron battery. the following reaction takes place in the battery. fe(s) + 2 nio(oh)(s) + 2 h2o(l) fe(oh)2(s) + 2 ni(oh)2(aq) how many mole of fe(oh)2, is produced when 5.35 mol fe and 7.65 mol nio(oh) react?

What element has similar physical and chemical properties as boron.