Select the correct answer from each drop down menu. In a voltaic cell, the 1. electrons and is oxidized while the 2. electrons and is reduced.

Options:
Anode gains
Anode loses
Cathode gains cathode loses

The ammonia molecule in the diagram has the observed bond orientation because

Compare and contrast an assemblage and a pollen fingerprint by defying both and giving examples of each from the chapter.

The zinc within a copper-plated penny dissolves in hydrochloric acid if the copper coating is filed down in several spots (so that the hydrochloric acid can reach the zinc). the reaction between the acid and the zinc 2h+(aq)+zn(s)→h2(g)+zn2+(aq) . when the zinc in a certain penny dissolves, the total volume of gas collected over water at 25 °c is 0.947 l at a total pressure of 743 mmhg . (vapor pressure of water is 23.78 mmhg at 25 °c .) what mass of hydrogen gas is collected? answer in appropriate significant figures