Classify the following reaction in as many ways as possible: Mg (s) + Cl2 (g) → MgCl2 (s)

Explain step by step why each can or cannot occur.

Given the heat of formation of the following compounds:                 CO2(g)                ΔfH° = -393.5 kJ/mol                 H2O(l)                 ΔfH° = -285.9 kJ/mol                 CH3OH(l)          ΔfH° = -238.6 kJ/mol   What is the value of ΔrH° for the reaction:                 CH3OH(l) + 3/2 O2(g) → CO2(g) + 2 H2O(l)

Given the following reactions Fe2O3 (s) + 3CO (s) → 2Fe (s) + 3CO2 (g)         ΔH = –28.0 kJ mol–1 3Fe (s) + 4CO2(s) → 4CO (g) + Fe3O4(s)           ΔH = +12.5 kJ mol–1 Determine the enthalpy of the following reaction in kJ mol–1 3Fe2O3 (s) + CO (g) → CO2 (g) + 2Fe3O4 (s) Select one: a. 40.5 b. +109 c. –109 d. –59.0 e. –15.5

Choose the reaction conditions to complete the acid-base reaction shown.

5). Which of the following compound has lowest pKa? H3C (A) COOH F (B) COOH 6). What is the product nhtained from the full COOH (C) COOH (D) COOH (E)

Calculate the enthalpy of decomposing hydrogen iodide to produce hydrogen and iodine.                                          2HI(g) →  I2(s) + H2(g)   I2(s) → I2(g)                                  ΔH⁰ = 124.8 kJ/mol I2(g) + H2(g) → 2HI(g)                          ΔH⁰ = - 73.0 kJ/mol

When magnesium metal is added to a beaker of HCl(aq), a gas is produced. Knowing that magnesium is oxidized and that hydrogen is reduced, write the balanced net equation for the reaction. (Use the lowest possible coefficients. Include states-of-matter under the given conditions in your answer.) Help chemPad XXº → Greek How many electrons are transferred in the balanced equation? What quantity of useful work can be obtained when Mg is added directly to the beaker of HCI? kJ How can you harness this reaction to do useful work? This is accomplished by making ---Select--- produce a voltage. cell that ---Select--- the reduction reaction and the oxidation reaction in order to control the flow of ---Select--- through a wire to

Consider the reaction: 8 H2O (l) + 4CO2 (g)→4  CH3OH (l) + 6 O2 (g) ΔH = +2905.6 kJ What is ΔH for the following reaction? 2 CH3OH (l) + 3 O2 (g) →4 H2O (l) + 2 CO2 (g)