Calculate the enthalpy of decomposition of aluminum chloride in the town 2 AICE() ---> 2Al(s). (g)...
Calculate the heart of formation for aluminum chloride using the following thermochemical equations: 2Al (s) + 6HCl (aq) ---> 2AlCl3 (aq) + 3H2 (g) . ΔH = -1049 kJ HCl (g) ---> HCl (aq) . ΔH = -74.8 kJ H2 (g) + Cl2 (g) ---> 2HCl (g) ΔH = -1845 kJ AlCl3 (s) ---> AlCl3 (aq) ΔH = -323 kJ
2Al(s) + 3Cl2(8) - 2AICI,(s) AH =? Use the reactions here to determine the AH' for reaction : ® HCI(g) — HCl(aq) AH;, = -74.8 kJ (a) Hz(8) + C1>(- 2HCl(8) AH) = -185 kJ M AICI;(aq) - AICI,(s) AH = +323 kJ/mol M 2Al(s) + 6HCl(aq) - 2AICI,(aq) + 3H2(g) AH = -10:49 J
When aluminum is placed in concentrated hydrochloric acid, hydrogen gas is produced. 2Al(s)+6HCl(aq)⟶2AlCl3(aq)+3H2(g)2Al(s)+6HCl(aq)⟶2AlCl3(aq)+3H2(g) What volume of H2(g)H2(g) is produced when 3.30 g of Al(s) reacts at STP?
Experiment 13-Post-Lab Assignment 1. Athletes use cold packs containing ammonium nitrate solutions to ice their injuries. A 1.25 G sample of ammonium nitrate is dissolved in 25.0 mL of water to form a solution. The temperature of the solution falls from 25.8°C to 21.9°C. Find the enthalpy of the reaction (AH ), in kJ/mol. Assume the density of water is 1.00 g/mL and the heat capacity of the total solution to be 4.184 J/g °C 2. Calculate AHⓇ in kJ/mol...
Problem 3: a. Calculate the wavelength of light in (nm) with a frequency of 1.53x 10" Hz. Would you be able to see that light? b. Calculate the smallest increment of energy (a quantum) that can be emitted or absorbed at a wavelength of 508nm. c. Calculate the energy of a photon of frequency 4.75 x 10's! Problem 4: Calculate AH for the reaction 2 Al(s) + 3 Cl2(g) - 2 AICI (s) from the following data. En 1:2 Al(s)...
Calculate the enthalpy of formation of the anhydrous salt of aluminum bromide (AlBr 3) using the following data: 2Al (s) + 6HBr (aq) → 2AlBr3 (aq) + 3H2 (g) Δ? = -1061 kJ mol-1 HBr (g) → HBr (aq)∆? = -81.15 kJ mol-1 H 2 (g) + Br2 (l) → 2HBr (g) Δ? = -72.80 kJ mol-1 AlBr 3 (s) → AlBr 3 (aq)∆? = -368 kJ mol-1
1.) Aluminum reacts with hydrochloric acid to produce aluminum chloride and hydrogen gas. 2Al(s) + 6HCl(aq) -> 2AlCl3(aq) + 3H2(g) What mass of H2(g) is required from the reaction of 0.75 g of Al(s) with excess hydrochloric acid? 2.) The reaction of coal and water at a high temperature produces a mixture of hydrogen and carbon monoxide gases. This mixture is known as synthesis gas (or syngas). What mass of water is required for the formation of 175 grams of...
Consider these reactions, where M represents a generic metal. 2M(s)+6HCl(aq)⟶2MCl3(aq)+3H2(g)Δ?1=−924.0 kJ2M(s)+6HCl(aq)⟶2MCl3(aq)+3H2(g)ΔH1=−924.0 kJ HCl(g)⟶HCl(aq) Δ?2=−74.8 kJHCl(g)⟶HCl(aq) ΔH2=−74.8 kJ H2(g)+Cl2(g)⟶2HCl(g) Δ?3=−1845.0 kJH2(g)+Cl2(g)⟶2HCl(g) ΔH3=−1845.0 kJ MCl3(s)⟶MCl3(aq) Δ?4=−123.0 kJMCl3(s)⟶MCl3(aq) ΔH4=−123.0 kJ Use the given information to determine the enthalpy of the reaction 2M(s)+3Cl2(g)⟶2MCl3(s)
When aluminum is placed in concentrated hydrochloric acid, hydrogen gas is produced. 2Al(s)+6HCl(aq)⟶2AlCl3(aq)+3H2(g) What volume of H2(g) is produced when 3.90 g Al(s) reacts at STP?
Consider these reactions, where M represents a generic metal. 2M(s)+6HCl(aq)⟶2MCl3(aq)+3H2(g) Δ?1=−912.0 kJ HCl(g)⟶HCl(aq) Δ?2=−74.8 kJ H2(g)+Cl2(g)⟶2HCl(g) Δ?3=−1845.0 kJ MCl3(s)⟶MCl3(aq) Δ?4=−295.0 kJ Use the given information to determine the enthalpy of the reaction 2M(s)+3Cl2(g)⟶2MCl3(s) Δ?=?kJ