I'm having some trouble understanding what happens when Zinc and Hydrochloric acid are reacted with Copper Sulfate as a catalyst. As the reaction proceeds, why does the rate of production of hydrogen gas decrease? It is a single replacement reaction where zinc replaces the hydrogen. The hydrogen gas also reacts with the zinc metal. To perform this experiment, a scientist begins by adding a small amount of hydrochloric acid to a Petri dish or a flask. hydrochloric acid to form zinc chloride and hydrogen gas. When the Zinc is added to the acid, the zinc dissolves and reacts with the acid, forming hydrogen gas and the salt Zinc Chloride. Zinc will slowly dissolve and bubbles of hydrogen gas would form as the metal is being oxidized. When hydrochloric acid and zinc are combined, they create hydrogen gas and zinc chloride, which is a salt. R e a s o n: The reaction between zinc and hydrochloric acid is , Z n + 2 H C l → Z n C l 2 + H 2 This reaction is known as single replacement reaction, where zinc metal displaces the hydrogen to form hydrogen gas and zinc chloride, a salt. Zn + 2 HCl -----> ZnCl2 + H2. Zinc reacts with hydrochloric acid to produce hydrogen gas as shown in the reaction below: Zn(s)+2HCl (aq)-----> ZnCl2 (aq) + H2(g) The mass of zinc was 0.125 grams, the barometric pressure recorded was 758 mm Hg the temperature was 20 C. Assuming all the zinc … Photos emerge of Michael Jackson's bedroom. ZnCl 2 (aq) + H 2(g) When dilute hydrochloric acid is added to granulated zinc placed in a test tube , the observation made is a colorless and odourless gas evolving with bubbles Zinc reacts with dil HCl to form Zinc Chloride and Hydrogen gas is evolved. Utah police shoot 13-year-old boy with autism Zn + 2HCl(dil.) The hydrogen gas formed inhibits the reaction. Beach volleyball great under fire for not wearing mask. Zinc + Hydrochloric acid is a basic metal acid reaction. The concentration of hydrogen gas decreases. When zinc reacts with hydrochloric acid, it produces hydrogen gas. The concentration of the reactants decreases. Zinc reacts with dil. I *think* the Copper ion gets electrons from the zinc and turns into straight copper which leaves zinc free to react with the chlorine to form zinc chloride.