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AP 문제 풀이

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  AP 단원별 문제 Ap chem 프린스턴 화학 summary part 9 Use the following information to answer questions 1-5: Reaction 1: N₂H₄(l) + H₂(g) → 2 NH₃(g) ΔH = ? Reaction 2: N₂H₄(l) + CH₄O(l) → CH₂O(g) + N₂(g) + 3 H₂(g) ΔH = -37 kJ/molₑ Reaction 3: N₂(g) + 3 H₂(g) → 2 NH₃(g) ΔH = -46 kJ/molₑ Reaction 4: CH₂O(l) → CH₄O(g) + H₂(g) ΔH = -65 kJ/molₑ 1. What is the enthalpy change for reaction 1? (A) -148 kJ/molrxn (B) -56 kJ/molrxn (C) -18 kJ/..

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  AP 단원별 문제 Ap chem 프린스턴 화학 summary part 8 Use the following information to answer questions 1–5.A student titrates 20.0 mL of 1.0 M NaOH with 2.0 M formic acid, HCO2H(Ka = 1.8 × 10-4). Formic acid is a monoprotic acid.Question 1:A solution of 0.1 M sodium hydroxide (NaOH) is being titrated into 20.0 mL of formic acid (HCOOH) of unknown concentration. It takes 10.0 mL, 0.05 M of the NaOH solution to reach the equivalence point. What is t..

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  AP 단원별 문제 Ap chem 프린스턴 화학 summary part 7 Use the following information to answer questions 1-5.The following reaction is found to be at equilibrium at 25°C: 2 SO3(g) ⇌ O2(g) + 2 SO2(g)     ΔH = -198 kJ/molQuestion 1:What is the expression for the equilibrium constant, \(K_c\)?Options: (A) \(\dfrac{[SO_3]^2}{[O_2][SO_2]^2}\) (B) \(\dfrac{2[SO_3]}{[O_2]2[SO_2]}\) (C) \(\dfrac{[O_2][SO_2]^2}{[SO_3]^2}\) (D) \(\dfrac{[O_2]2[..

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  AP 단원별 문제 Ap chem 프린스턴 화학 summary part 6 Problem 1: Consider the reaction: 2 H2(g) + O2(g) → 2 H2O(l). Given that the enthalpy change for this reaction is -571.6 kJ/mol, calculate the enthalpy change for the formation of 1 mole of H2O(g) under standard conditions. Assume the enthalpy of vaporization of water is 44.0 kJ/mol. Options: (A) -571.6 kJ/mol (B) -285.8 kJ/mol (C) -241.8 kJ/mol (D) -..

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  AP 단원별 문제 Ap chem 프린스턴 화학 summary part 5 Question 1:A multi-step reaction takes place with the following elementary steps:Step I: 2 NO(g) ⇌ N2O2(g) fastStep II: N2O2(g) + H2(g) → N2O(g) + H2O(g) slowStep III: N2O(g) + H2(g) → N2(g) + H2O(g) fastWhat is the overall balanced equation for this reaction?Options: (A) N2O2(g) + N2O(g) + 2 H2(g) + 2 NO(g) → N2O(g) + N2O(g) + N2(g) + 2 H2O(g) (B) 2 NO(g) → N2O(g) + H2O(g) (C) 2 NO..