Question

zinc hydrochloric acid experiment lab activity​

Answer 1

Answer:

The metal zinc readily reacts with hydrochloric acid to produce hydrogen gas (H2) and zinc chloride (ZnCl2). ... The zinc reaction produces the heat and hence has the negative enthalpy.

Explanation:

HCl is the chemical formula that represents hydrochloric acid. The metal zinc readily reacts with hydrochloric acid to produce hydrogen gas (H2) and zinc chloride (ZnCl2). Every chemical reaction either produces or absorbs heat. In chemistry this effect is described as the reaction enthalpy. The zinc reaction produces the heat and hence has the negative enthalpy. Calculating the enthalpy (heat) is a common assignment in chemistry.

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