Consider the 5 reactions shown below.1. H2O(g) + CH3Brig) → CH3OHg) + HBrg)2. 2 H2(g) + O2(g) →2 H20)3. H2(g) + 1/2 O2lg)H2O)4. H20 + 1/2 O20)H20)5. CH4(2) + 2 O2(g)CO2e) + 2 H2O))For which of the equations could values of AH° be used to calculate the AHxn?2, 3 and 4all 5none of the reactions1 and 52 and 3O OO O

Consider the 5 reactions shown below. 1. H2O(g) + CH3Brg) + CH3OH(g) + HBrg) 2. 2 H2(g) + O2(g) → 2 H2O) 3. H2(e) + 1/2 O2lg) H2O) 4. H20 + 1/2 O2) H2O) 5. CH4(2) + 2 021g) + CO2lg) + 2 H20) For which of the equations could values of AH° be used to calculate the AHrxn? 2, 3 and 4 all 5 none of the reactions 1 and 5 O 2 and 3

Consider the 5 reactions shown below. 1. H2O(g) + CH3Brg) + CH3OH(g) + HBrg) 2. 2 H2(g) + O2(g) → 2 H2O) 3. H2(e) + 1/2 O2lg) H2O) 4. H20 + 1/2 O2) H2O) 5. CH4(2) + 2 021g) + CO2lg) + 2 H20) For which of the equations could values of AH° be used to calculate the AHrxn? 2, 3 and 4 all 5 none of the reactions 1 and 5 O 2 and 3

Introductory Chemistry: A Foundation

9th Edition

ISBN:9781337399425

Author:Steven S. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Donald J. DeCoste

Chapter17: Equilibrium

Section: Chapter Questions

Problem 74AP: . A(n) _______ speeds up a reaction without being consumed.

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. A(n) _______ speeds up a reaction without being consumed.
Consider the 5 reactions shown below. 1. H2O(g) + CH3Brg) → CH3OHg) + HBrg) 2.2 H2(g) + O2(g) → 2 H2O) 3. H2(g) + 1/2 O2(g) H20) 4. H2) + 1/2 O2() H20) 5. CH4(2) + 2 02(g) C22) + 2 H2Om For which of the equations could values of AH°; be used to calculate the AHrxn? 2, 3 and 4 all 5 none of the reactions 1 and 5 2 and 3
2. Complete the following reactions by writing missing reactant(s), reagent(s), or product(s). a. b. C. OH CI HI S i. H₂N NH₂ ii. NaOH, H₂O 250 °C
o
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Without reference to a table, arrange these reactions according to increasing AS. 1) CH₂(g) + H₂O(g) → CO(g) + 3H₂(g) 2) C(s) + O₂(g) → CO₂(g) 3) H₂O₂(1)→ H₂O(l) + 1/2O₂(g) A) 2<3<1 B) 1<3<2 C) 3 < 1<2 D) 3<2<1 Question 23 of 33 E) 2<1<3
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3. Consider the following set of reactions: Overall reaction: CH4g) + NH3() → HCNe) + 3 H2(8) AHoverall = ??? kJ Reaction 1: N2(e) + 3 H2(g) → 2 NH3(8) Reaction 2: Cs) + 2 H2(g) → CH4L8) AH1 = -91.8 kJ AH2 = -74.9 kJ Reaction 3: H2(e) + 2 Cs) + N2(8) → 2 HCN(g) AH3 = +270.3 kJ a. What must be done to Reaction 1 to get NH3 on the reactant side? What is the resulting value of AH1? (Do not forget the unit) b. What must be done to Reaction 2 to get CH4 on the reactant side? What is the resulting value of AH2? (Do not forget the unit) What must be done to Reaction 3 to get one mole of HCN on the product side? (Do not forget the unit) С. What is the resulting value of AH3? d. Calculate the AHoverall by doing a summation of the modified reactions 1-3. (Do not forget the unit) CHM 111 May iversity