In a laboratory investigation, magnesium reacts with hydrochloric acid to produce hydrogen gas and magnesium chloride. AH® for HCl(aq) = -167.16 kJ/mol AH® for MgCl2(aq) = -801.17 kJ/mol Calculate the standard enthalpy change for this reaction. This single replacement reaction is a classic example of a metal reacting in an acid to release hydrogen gas. Check all that apply. This reaction is represented by the unbalanced equation below. In the laboratory hydrogen gas is evolved when a metal such as magnesium reacts with hydrochloric acid. Magnesium reacts with dilute hydrochloric acid to produce hydrogen: magnesium + hydrochloric acid → magnesium chloride + hydrogen. Magnesium reacts with hydrochloric acid to form hydrogen gas and magnesium chloride: Mg(s) + 2HCl(aq)---->( MgCl2(aq) + H2(g) Which actions would increase the rate of reaction? 50 cm 3 of 1M hydrochloric acid is a six-fold excess of acid. Use the data shown below to determine the enthalpy of reaction per mole of zinc. A piece of zinc reacts completely with hydrochloric acid, HCl(aq), to produce an aqueous solution of zinc chloride, ZnCl2(aq), and hydrogen gas. Hydrogen gas has found use in the production of alternative fuel through the hydrogen fuel cell. Mg(s) + HCl(aq) ==>H2(g) + MgCl2(aq) 69 State, in terms of the relative activity of elements, why this reaction is spontaneous. When zinc metal is reacted with hydrochloric acid, zinc chloride and hydrogen gas are produced. For this reaction, explain the sign of AT for the surroundings Write the net ionic equation for this reaction (iv) What type of reaction is this? I hope this was helpful. Magnesium reacts with hydrochloric acid to form magnesium chloride and hydrogen from ACHAI 123 213 at London Academy of Management Sciences chemistry. What is the equation for … Magnesium is a metal that reacts with an acid to from the salt magnesium chloride and hydrogen gas. -using hot hydro chloric acid solution-adding hot water to the solution-using magnesium powder instead of a large piece of magnesium Students follow the rate of reaction between magnesium and the acid, by measuring the amount of gas produced at 10 second intervals. The chemical equation can be written as a metal + acid produces a salt + hydrogen. When magnesium reacts with hydrochloric acid, hydrogen gas is produced, along with a salt called magnesium chloride. Aqueous magnesium chloride and hydrogen gas are produced when solid magnesium reacts with aqueous hydrochloric acid (HCl). A salt and hydrogen gas are the products of any reaction that involves a metal and an acid. 3 cm of magnesium ribbon typically has a mass of 0.04 g and yields 40 cm 3 of hydrogen when reacted with excess acid. Introduction In the experiment the magnesium reacts with the hydrochloric acid to create magnesium chloride and hydrogen. a. The balanced chemical equation is: Mg_((s))+ 2HCl_((aq))rarrMgCl_(2(aq)) + H_(2(g) The reaction between magnesium and hydrochloric acid combine to form a salt of magnesium chloride and release hydrogen gas. [1] HIGHLIGHT TO SEE THE ANSWER (a) Magnesium reacts with hydrochloric acid to produce hydrogen gas.

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