## Part C**Question:**What is the value of ΔG at equilibrium?**Instructions:**Express your answer using one significant figure.**Input Box:**ΔG = [Input Field] kJ**Buttons:**- **Submit**: Submit your answer.- **Request Answer**: If you're stuck, request the correct answer.---## Part D**Question:**What is the value of ΔG when \([H^+]\) = \(5.0 \times 10^{-2}\) M, \([NO_2^-]\) = \(6.2 \times 10^{-4}\) M, and \([HNO_2]\) = 0.20 M?**Instructions:**Express your answer using three significant figures.**Input Box:**ΔG = [Input Field] kJ**Buttons:**- **Submit**: Submit your answer.- **Request Answer**: If you're stuck, request the correct answer. **Problem 19.83 - Enhanced - with Feedback**---**The value of \( K_a \) for nitrous acid (\( HNO_2 \)) at 25°C is \( 4.5 \times 10^{-4} \).**---### Part A**Write the chemical equation for the equilibrium that corresponds to \( K_a \).**Options:- \( \text{H}^{+}(\text{aq}) + \text{NO}_2^{-}(\text{aq}) \rightarrow \text{HNO}_2(\text{aq}) \)- \( \text{HNO}_2(\text{aq}) \rightarrow \text{H}^{+}(\text{aq}) + \text{NO}_2^{-}(\text{aq}) \)- \( \text{HNO}_2(\text{aq}) \rightarrow \text{H}(\text{aq}) + \text{NO}_2^{+}(\text{aq}) \)- \( \text{HNO}_2(\text{aq}) + \text{H}^{+}(\text{aq}) \rightarrow \text{H}_2\text{NO}_2^{+}(\text{aq}) \)- \( \text{HNO}_2(\text{aq}) + \text{H}(\text{aq}) \rightarrow \text{H}_2\text{NO}_2^{+}(\text{aq}) \)**Buttons:**- Submit- Request Answer---### Part B**Using the value of \( K_a \), calculate \( \Delta G^\circ \) for the dissociation of nitrous acid in aqueous solution.***Express your answer using three significant figures.*Equation box: \[ \Delta G^\circ = \boxed{} \text{ kJ} \]**Buttons:**- Submit- Request Answer---### Part C**What is the value of \( \Delta G \) at equilibrium?***Express your answer using one significant figure.*Equation box: \[ \Delta G = \boxed{} \]**Buttons:**- Submit- Request Answer---### Note:This educational problem involves calculating thermodynamic properties such as equilibrium constant (\( K_a \)) and Gibbs free energy change (\( \Delta G \)) for a chemical reaction. Understanding these concepts is crucial for analyzing

∆G = ∆G° + nRTlnQ Q = Reaction coefficient At equilibrium, ∆G = 0, Q = Keq ∆G° = -nRTlnKeq

The value of K, for nitrous acid (HNO₂) at 25 °C is 4.5 x 10-4 Part A Write the chemical equation for the equilibrium that corresponds to Ka OH(aq) + NO₂ (aq) HNO₂(aq) O HNO₂(aq) H(aq) + NO₂ (aq) O HNO₂(aq) H (aq) + NO₂ (aq) O HNO₂(aq) + H(aq) H₂NO₂ (aq) O HNO₂(aq) + H(aq) H₂NO₂+ (aq) Submit ▾ Part B Using the value of Ka. calculate AC for the dissociation of nitrous acid in aqueous solution. Express your answer using three significant figures. IVE ΑΣΦ AGO = Request Answer Submit Request Answer Part C → C p What is the value of AG at equilibrium? Express your answer using one significant figure. V-ΑΣΦ h C www Pearson ? 2 kJ

The value of K, for nitrous acid (HNO₂) at 25 °C is 4.5 x 10-4 Part A Write the chemical equation for the equilibrium that corresponds to Ka OH(aq) + NO₂ (aq) HNO₂(aq) O HNO₂(aq) H(aq) + NO₂ (aq) O HNO₂(aq) H (aq) + NO₂ (aq) O HNO₂(aq) + H(aq) H₂NO₂ (aq) O HNO₂(aq) + H(aq) H₂NO₂+ (aq) Submit ▾ Part B Using the value of Ka. calculate AC for the dissociation of nitrous acid in aqueous solution. Express your answer using three significant figures. IVE ΑΣΦ AGO = Request Answer Submit Request Answer Part C → C p What is the value of AG at equilibrium? Express your answer using one significant figure. V-ΑΣΦ h C www Pearson ? 2 kJ

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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