Formula equation: NaOH(ag) + HCl(aq) → Na*(aq) + Cl (aq) + H2O(1) Write the complete ionic equation: Write the net ionic equation: Using the net ionic equation, find the values of heat of formation (AH°;) and plug them into this formula: Theoretical AHrxn = E AH°f products - = E AH°freactants Note: E means "sum"

Formula equation: NaOH(ag) + HCl(aq) → Na*(aq) + Cl (aq) + H2O(1) Write the complete ionic equation: Write the net ionic equation: Using the net ionic equation, find the values of heat of formation (AH°;) and plug them into this formula: Theoretical AHrxn = E AH°f products - = E AH°freactants Note: E means "sum"

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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ered You want to determine the enthalpy change for the neutralization of HCI(aq). The equipment you are allowed to use are listed below: • safety goggles tion • lab coat • protective gloves • coffee cups (2) • styrofoam lid • thermometer • scale • stirring rod • beaker 16-ml of 0.345 mol/L HCI(a) added to 42.6-ml of NaOH (aq) for a total volume which is equivalent to water (m) in the q equation a. Based on the equipment provided above, design a lab to determine the enthalpy change of neutralization of HCI(aq). Ensure you use numbered steps. When you carry out the experiment, you observe a temperature change of 3.80°C. b. Calculate the quantity of heat transferred to the calorimeter based upon the data provided. c. Based upon the data provided, calculate the molar enthalpy for the neutralization of HCI(aq). d. If the mass of volume of the HCl(aq) was increased, would the value of Q be different. Explain your reasoning. e. Provide a thorough concluding statement that includes the…
Given the standard enthalpy changes for the following two reactions: (1) 4C(s) + 5H₂(g)- →C4H₁0(g) ΔΗ° = -125.6 kJ (2) C₂H4(g)- →2C(s) + 2H₂(g) AH° = -52.3 kJ what is the standard enthalpy change for the reaction: (3) 2C₂H4(g) + H₂(g) →C4H10(g) kj AH° = ?
cellus_engine.html?ClassID=2134898241# Calculate the enthalpy of the net reaction from the reactions given. 1) H2(g) + Cl2(g) → 2HCI(g) AH, = -184.6 kJ 2) N2(g) + 4H2(g) + Cl2(g) → 2NH,CI(s) AH2 = -630.8 kJ 3) N2(g) + 3H2(g) → 2NH3(g) AH3 = -296.4 kJ Net Reaction NH,CI(s) - NH3(g) + HCI(g) AHxn = [ ? ] kJ Enter either a + or - sign AND the magnitude. Use significant figures Enter
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26. Calculate the enthalpy change for the reaction below. NO(g) + O(g) →→→ NO₂(g) Given following data: NO(g) + O₂(g) →→ NO₂(g) + O₂(g) 03(g) → 1.50₂(g) 0₂(g) →20(g) AH-198.9 kJ AH = -142.3 kJ ΔΗ = 495.0 kJ
The reaction between HCl and NaOH is represented below. When equal volumes of 1.00 M NaOH and 1.00 M HCl are mixed, 57.1 kJ of heat is released. What would A H be if 2.00 M HCI and 2.00 M NaOH is used instead of 1.00 M? HCl(aq) + NaOH(aq) → NaCl(aq) + H₂O(l) AH = -57.1 kJ/mol... (A) - 28.6 kJ B-85.7 kJ (c) -57.1 kJ D - 114 kJ
Consider these reactions, where M represents a generic metal. 1. 2 M(s) + 6 HC1(aq) → 2 MCl,(aq) + 3 H,(g) ΔΗ = -589.0 kJ 2. HCI(g) → HCI(aq) AH2 = -74.8 kJ 3. H,(g) + Cl,(g) –→ 2 HCI(g) AH3 = -1845.0 kJ 4. MCI,(s) → MCl,(aq) AH4 = -262.0 kJ Use the given information to determine the enthalpy of the reaction 2 M(s) + 3 Cl,(g) → 2 MCl,(s) ΔΗ- kJ
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Calculate the change in enthalpy of the following reaction. ΔH (Fe3O4) = -1120.9 kJ ΔH (Al2O3) = -1669.8 kJ 8Al(s) + 3Fe3O4(s) -> 4Al2O3(s) + 9 Fe(s