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Question 12 4 pts 12. Which one of the following substances is an AQUEOUS REACTANT in...
Calculate the enthalpy of decomposition of aluminum chloride in the town 2 AICE() ---> 2Al(s). (g)...
Calculate the enthalpy of decomposition of aluminum chloride in the town 2 AICE() ---> 2Al(s). (g) Use the following four equations: a) 2Al(s) + 6HCl(aq) + 2AICI.(aq) + 3H2(8) AH" --1049 kJ/mol b) HCl(aq) - HC (g) AH':- 74.8 kļ/mol c) H2(g) + Cl:(g) - 2HCI(g) AH", -1845 kJ/mol d) AICI, (s) -- AICI (aq) AH'= -323 kJ/mol
Calculate the heart of formation for aluminum chloride using the following thermochemical equations: 2Al (s) +...
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...
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
Experiment 13-Post-Lab Assignment 1. Athletes use cold packs containing ammonium nitrate solutions to ice their injuries....
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...
I need question 14 Question Completion Status: QUESTION 13 When 2 mL of 0.1 M aqueous...
I need question 14
Question Completion Status: QUESTION 13 When 2 mL of 0.1 M aqueous HCI (hydrochloric acid) are added to a small strip of magnesium (Mg) what happens? A violent explosion Nothing Bubbles of hydrogen are produced and the magnesium dissolves The magnesium turns red and the solution goes yellow QUESTION 14 Which is the balanced chemical equation describing the reaction of question 13? Mg(aq) + HCl(aq) - MgCl(s) + H(g) Mg(s) + HCl(aq) – MgCl (aq) +...
Problem 3: a. Calculate the wavelength of light in (nm) with a frequency of 1.53x 10"...
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)...
Which of the reactions below does not represent a redox reaction? O 3 Al (s) +...
Which of the reactions below does not represent a redox reaction? O 3 Al (s) + 6 HCl(aq) - 3H2(g) + AICI3 (aq) O 2 NaCl (aq) + Pb(NO3)2 (aq) PbCl2 (s) + 3 NaNO3 (aq) 2 Nal (aq) + Br2 (1) 2 NaBr (aq) + 12 (g) O 2 H20 (1)2 H2 (g) + O2 (g) None of these
D Question 13 4 pts 13. Consider the reaction between calcium metal and water to produce...
D Question 13 4 pts 13. Consider the reaction between calcium metal and water to produce calcium hydroxide and hydrogen. You have seen a reaction similar to this reaction demonstrated. The balanced equationfor the process is shown. Ca (s) + 2 H20(1) -> Ca(OH)2(aq) + H2(g) + 430 kJ One substance is a GAS. Is the GAS a reactant or product? product reactant Question 14 4 pts 14. Consider the reaction between calcium metal and waterto produce calcium hydroxide and...
6. (12 pts) Identify the type of aqueous reaction that takes place each of the 4...
6. (12 pts) Identify the type of aqueous reaction that takes place each of the 4 reactions below. For each reaction, indicate or describe the characteristic that defines the reaction type HNO3(aq) + NH3(aq) + NO3 (aq) + NH4+ (aq) SF4(g) + F2(g) → SF6(9) CaS(aq) + Mg(NO3)2 (aq) → MgS (s) + Ca(NO3)2(aq) HCl(aq) + KOH(aq) → H2O(1) + KCl(aq)
8 pts 25. Aluminum metal (0.100 mol) and a volume of aqueous hydrochloric acid that contains...
8 pts 25. Aluminum metal (0.100 mol) and a volume of aqueous hydrochloric acid that contains 0.500 mol of HCl are combined and react to completion. How many liters of hydrogen gas, measured at STP are produced? Al(s) + HCl(aq) - AICI3(aq) + H2(g) (unbalanced) 4.48 L of H2 5.60 L of H2 224 L of H2 3.36 L of H2 6.72 L of H2
Calculate the enthalpy of decomposition of aluminum chloride in the town 2 AICE() ---> 2Al(s). (g) Use the following four equations: a) 2Al(s) + 6HCl(aq) + 2AICI.(aq) + 3H2(8) AH" --1049 kJ/mol b) HCl(aq) - HC (g) AH':- 74.8 kļ/mol c) H2(g) + Cl:(g) - 2HCI(g) AH", -1845 kJ/mol d) AICI, (s) -- AICI (aq) AH'= -323 kJ/mol
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
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...
I need question 14
Question Completion Status: QUESTION 13 When 2 mL of 0.1 M aqueous HCI (hydrochloric acid) are added to a small strip of magnesium (Mg) what happens? A violent explosion Nothing Bubbles of hydrogen are produced and the magnesium dissolves The magnesium turns red and the solution goes yellow QUESTION 14 Which is the balanced chemical equation describing the reaction of question 13? Mg(aq) + HCl(aq) - MgCl(s) + H(g) Mg(s) + HCl(aq) – MgCl (aq) +...
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)...
Which of the reactions below does not represent a redox reaction? O 3 Al (s) + 6 HCl(aq) - 3H2(g) + AICI3 (aq) O 2 NaCl (aq) + Pb(NO3)2 (aq) PbCl2 (s) + 3 NaNO3 (aq) 2 Nal (aq) + Br2 (1) 2 NaBr (aq) + 12 (g) O 2 H20 (1)2 H2 (g) + O2 (g) None of these
D Question 13 4 pts 13. Consider the reaction between calcium metal and water to produce calcium hydroxide and hydrogen. You have seen a reaction similar to this reaction demonstrated. The balanced equationfor the process is shown. Ca (s) + 2 H20(1) -> Ca(OH)2(aq) + H2(g) + 430 kJ One substance is a GAS. Is the GAS a reactant or product? product reactant Question 14 4 pts 14. Consider the reaction between calcium metal and waterto produce calcium hydroxide and...
6. (12 pts) Identify the type of aqueous reaction that takes place each of the 4 reactions below. For each reaction, indicate or describe the characteristic that defines the reaction type HNO3(aq) + NH3(aq) + NO3 (aq) + NH4+ (aq) SF4(g) + F2(g) → SF6(9) CaS(aq) + Mg(NO3)2 (aq) → MgS (s) + Ca(NO3)2(aq) HCl(aq) + KOH(aq) → H2O(1) + KCl(aq)
8 pts 25. Aluminum metal (0.100 mol) and a volume of aqueous hydrochloric acid that contains 0.500 mol of HCl are combined and react to completion. How many liters of hydrogen gas, measured at STP are produced? Al(s) + HCl(aq) - AICI3(aq) + H2(g) (unbalanced) 4.48 L of H2 5.60 L of H2 224 L of H2 3.36 L of H2 6.72 L of H2
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