Calculate AHrxn for the reaction below.2 NOCI(g) → N2(g) + 02(g) + Cl2(9)You are given the following set of reactions.1/2 N2(g) + 1/2 02(g) → NO(g)AH = 90.30 k)NO(g) + 1/2 Cl2(g) → NOCI(g)AH = -38.6 kJ4.0kJ

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Answered: Calculate AHpxn for the reaction below.…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Could someone please help! No plagiarism Please! 3. Draw an or find an image of an endothermic reaction or an exothermic reaction. Explain what makes it the type of reaction you chose to illustrate. Include arrows to show what direction the overall enthalpy of reaction (energy of reaction) flows. 4. Ammonium nitrate dissolves in water via the following reaction: NH4NO3(s) → NH4+(aq) + NO3-(aq) The bond energies of the compounds in the reaction are as follows: NH4NO3 = 3040 kJ/mol NH4+ = 1564 kJ/mol NO3- = 1009 kJ/mol How much total energy does the reaction have, and how will the environment change when the reaction occurs? Please show all of your work
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2. Suppose you performed a similar experiment using an unknown sample of carbonate. The pressure and volume were measured after the temperature stabilized at 21.5 °C. Given the data in the table below, what is the stoichiometric ratio between HCl(aq) and CO2(g)? Metal carbonate + HCl(aq) = Metal chloride + CO2(g) + H2O(1) Initial pressure (atm) 1.0 Initial gas volume (mL) 240.0 Volume of 1.0 M HCl solution added to fully consume the carbonate sample (mL) 22.0 Final pressure (atm) 2.32 Final gas volume (mL) 218.0
1. What is the final overall reaction for these three reactions below? Reaction 1: C3 Hs (g) + 5 O2 (g) → 3 CO2 (g) +4 H2O (g), AH1 = -2043 kJ Reaction 2: C (s) + O2 (g) Reaction 3: 2 H2 (g) + O2 (g) + CO2 (g), AH2 = -393.5 kJ 2 H2O (g), AH3 -483.6 kJ Hint. Reverse Reaction 1 then simplify by cancelling compounds in opposite sides of the arrow.
21
Aqueous solutions of calcium chloride and sodium hydroxide react to form solid calcium hydroxide. The balanced net ionic equation is: A) Ca+2(aq) + 2OH-(aq) + 2Na+(aq) + 2Cl-(aq) → Ca(OH)2(s) B) Ca+2(aq) + 2OH-(aq) + Na+(aq) + Cl-(aq) → Ca(OH)2(s) C) Ca+2(aq) + 2OH-(aq) → Ca(OH)2(s) D) CaCl2(aq) + 2NaOH(aq) → CaOH(s) + NaCl(aq) E) CaCl2(aq) + 2NaOH(aq) → Ca(OH)2(s) + 2NaCl(aq)
2H,O1) = H3O+(aq) + OH (aq) Kw = 1.0x 1014 at 25 °C Kw=5.5x 1014 at 50 °C Based on this data, which statements are true? You may check any combination of statements. 2H20(1) = H3O*(aq) + OH(aq) is an exothermic reaction 0.10 M NAOH solution at 50°C has pH = 12.26 Pure water at 50°C contains more ions than pure water at 25 °C.
Complete the table by writing the correct answer to the blank. Reaction Keq Stress Applied Add Cl₂ 2 HCl(g) =H₂(g) + Cl₂(g) Increase pressure Decrease temperature N₂(g) + O₂(g) = 2NO(g) ΔΗ=180.5kJ Decrease pressure Removal of NO Decrease temperature 3 Fe(s) + 4H₂O(g) Fe,O₂ (s) + 4 H₂(g) + heat Removal of H₂ Decrease of pressure / Effect (encircle your answer) (increase, decrease, no change) in the number of moles of HCI(g) (increase, decrease, no change) in the number of moles of HCI(g) (increase, decrease, no change) in the number of moles of NO(g) (increase, decrease, no change) in the number of moles of NO(g) (increase, decrease, no change) in the number of moles of NO(g) (increase, decrease, no change) in the number of moles of H₂O(g) (increase, decrease, no change) in the number of moles of H₂O(g) (increase, decrease, no change) in the number of moles of H₂O(g) Equilibrium shift (to the left, to the right, or no shift)
Classify the substances below as reactants or products and state their state of 2NaHCO3 (s) → Na,CO3 (s) + H20 (1) + CO2 (g) matter:
Given the following reactions: Fe(s) + Br2(g) \rightarrow→ FeBr2(s) 3 FeBr2(s)+ Br2(g) \rightarrow→ Fe3Br8(s) If each reaction gives an 82.0 % yield, what mass (in grams) of Fe3Br8 is produced from 1.00 g of Fe, assuming Br2 is in excess? Enter the numerical value (no units) using 3 significant figures.
2 NOCI(g) → 2 NO(g) +Cl2(g) AH° =+75.56 kJ 2 NO(g) + 02(g) → 2 NO2(g) AH° =-113.05 kJ 2 NO2(g) → N2O4(g)AH° =-58.03 kJ Compute AH° of N2O4(g) +Cl2(g) → 2 NOCI(g) + O2(g) in kJ. +246.65 -95.52 -246.65 +95.52 +47.76
Consider these reactions: Reaction 1: H2(g) + Cl2(g) 2HCl(9) AH = -184.6 kJ Reaction 2: 20F2(g) → O2(g) +2F2(g) AH=-49.4 kJ Reaction 3: Na (g) +202 (9) 2NO2(g) AH = +66.4 kJ Use Reaction 1. Determine the mass, in grams, of chlorine gas consumed (with excess H₂) when 1,409.0 kJ of energy is released from the system. Round to the nearest whole number .

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Calculate AHpxn for the reaction below. 2 NOCI(g) → N2(g) + O2(g) + Cl2(g) You are given the following set of reactions. 1/2 N2(g) + 1/2 02(9) → NO(9) AH = 90.30 k) NO(g) + 1/2 Cl2(g) → NOCI(g) AH = -38.6 k) 4.0 kJ