The reaction between zinc and hydrochloric acid is carried out as a source of hydrogen gas in the laboratory:
Zn(s) + 2 HCl(aq) ZnCl2(aq) + H2(g)
If 325 mL of hydrogen gas is collected over water at 25 °C at a
total pressure of 748 mm Hg, how many grams of Zn reacted?

Calcium chloride +gold(1) oxide—>

Which statement is usually true about the relationship between activation energy and reaction rates? low activation energy barriers result in low rates. high activation energy barriers result in low rates. low activation energy barriers result in no reaction. high activation energy barriers result in no reaction.

The variability in marine salinity between habitats does not impact the fish living there. select the best answer from the choices provided t f