The equation shows the reaction between zinc and hydrochloric acid Zn(s) + 2HCI(aq) + Hsmall2(gwgat is the theoretical yield of hydrogen gas if 5 moles of zinc are added to the excess of hydrochloric acid? 5.05 g
10.1 g
182 g
682 g​

What is the value of the standard enthalpy of formation of an element in its most stable form?

Anitrogen atom and an oxygen atom combine chemically to form nitric oxide. what is nitric oxide?

When the ionic compound nabr dissolves in water, br– ions are pulled into solution by the attraction between what two particles? a. the na+ and br– ions b. the na+ ion and the negative end of a water molecule c. the br– ion and the positive end of a water molecule d. the br– ion and the negative end of a water molecule