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Assign R/S to the following organic compounds then give its
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- Calculate the ΔG°rxn using the following information. 2 H2S(g) + 3 O2(g) → 2 SO2(g) + 2 H2O(g) ΔG°rxn = ? ΔG°f (kJ/mol) -33.4 -300.1 -228.6 Group of answer choices +990.6 kJ -1124 kJ +562.1 kJ +72.0 kJ -990.6 kJCalculate the overall value of ∆H° for this reaction. CH3¬CH3 + Cl2 ¡hv CH3¬CH2Cl + HCl2 H2S(g) + CH4(g) <-> 4 H2(g) + CS2(g) Kc = 5.27 * 10-8 at 973 K Which molecule/s are favorably formed at 973K ? a. H2(g) + CS2(g b.H2S(g) + CH4(g c.H2S(g) + H2(g)(gd.CH4(g) + CS2(g
- Calculate the ∆Hrxn for the reaction below: MgCl2 (aq) + 2 KOH (aq) ---> Mg(OH)2 (s) + 2 KCl (aq) ∆Hfo for MgCl2 (aq) = -797.1 kJ/mol ∆Hfo for KOH (aq) =-424.2 kJ/mol ∆Hfo for Mg(OH)2 (s) = -924.7 kJ/mol ∆Hfo for KCl (aq) = -419.6 kJ/mol ∆Hrxno = ? kJ Don't forget the sign and write your 4 significant figures.Compound ΔHf (kj/mol) C2H5OH(i) -277.6 H2O(i) -285.8 H2O(g) -241.8 CO2(g) -393.5 CO(g) -110.5 H2O2(i) -187.6 C3H8(g) -103.8 What is the ΔH for the following reaction? C2H5OH(i) + 3O2 (g) --> 2CO2(g) + 3H2O(i)Calculate ∆Hrxn for the following reaction:N2H4(l) + CH4O(l) → CH2O(g) + N2(g) + 3H2(g)Use the following reactions and given ∆H values.2 NH3(g) → N2H4(l) + H2(g) ΔH = +22.5 kJ/molN2(g) + 3 H 2(g) → 2 NH3(g) ΔH = +57.5 kJ/molCH2O(g) + H2(g) → CH4O(l) ΔH = +81.2 kJ/mol
- From the enthalpies of reaction2 C1s2 + O21g2¡ 2 CO1g2 ΔH = -221.0 kJ2 C1s2 + O21g2 + 4 H21g2¡ 2 CH3OH1g2 ΔH = -402.4 kJcalculate ΔH for the reactionCO1g2 + 2 H21g2¡CH3OH1g2Calculate ΔHf (CH3CH2OH) using the following information ΔHc (C) = -393 kJ mol-1 ΔHc(H2) = -286 kJ mol-1 ΔHc (CH3CH2OH) = -1368 kJ mol-1What is the rate law implied by the mechanism given below? CH3COCH3(aq) + H+(aq) ←→ CH3C(OH)CH3+(aq) (fast, reversible) CH3C(OH)CH3+(aq) → CH3C(OH)=CH2(aq) + H+(aq) (slow) CH3C(OH)=CH2(aq) + Br2(aq) → CH3C(OH)CH2Br+(aq) + Br-(aq) (fast) CH3C(OH)CH2Br+(aq) → CH3COCH2Br(aq) + H+(aq) (fast) A. Rate = k[CH3COCH3][H+] B. Rate = k[CH3COCH3] C. Rate = k[CH3COCH3][Br2] D. Rate = k[CH3COCH3]2 E. Rate = k[CH3COCH3][Br2]/[H+] (Answer is A, looking for explanation why!).
- Find the deltaH for the reaction below, given the following reactions and subsequent deltaH values: N2H4(l) + H2(g) —> 2NH3 (g) N2H4(l) + CH4O(l) —> CH2O (g) + N2(g) + 3H2(g)—— deltaH= -32.8kj N2(g)+ 3H2(g) —> 2NH3 (g)—deltaH=-57.2 kj CH4O(l) —>CH2O(g) + H2(g) —-deltaH= -65 kj SIG FIGSDetermine the Ka for CH3NH3⁺ at 25°C. The Kb for CH3NH2 is 4.4 × 10-4.What is the Ksp expression for the following reaction? Bi2S3(s) ⇄ 2 Bi3+(aq) + 3 S2−(aq) Group of answer choices Ksp = [Bi3+]2[S2−]3 Ksp = [Bi3+]2[S2−]3/[Bi2S3] Ksp = [Bi3+]3[S2−]2 Ksp = [Bi2S3]/[Bi3+][S2−] Ksp = [Bi3+][S2−] PreviousNext