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- 2NaHCO3(s) = Na2CO3(s) + H20(g) + CO2(g) * 3 Right Left No Change co2 is removed Na2C03 is removed NaHCO3 is removedTrue or false? A) Calcium acetate and sodium carbonate is Ca2+(aq) + 2C2H3O2-(aq) ----> Ca(C2H3O2)2(s) B) Magnesium chloride and sodium hydroxide is Mg2+(aq) + 2OH-(aq) ----> Mg(OH)2(s) C) Sodium phosphate and potassium nitrate, no reaction occurs. D) Ammonium sulfate and barium nitrate is Ba2+(aq) + SO42-(aq) ----> BaSO4(s)(ALA) 5. Using the equation Al + HCI AICI 3 + H₂ to zalom ynom wOH S Soit sit ni a. Find the number of moles Al used to produce 9.9 moles of H₂ noitoups srit emizu (COM)IA b. Find the number of moles HCI used to produce 1.11 moles of AlCl3 OPM to eslom ES soubong of beau (OM)IA zplom to sdmun sift bid o 28101 c. Find the number of moles AlCl3 that is produced along with 0.0757 moles of H2 Fleova 2iom to 15 dmun srif bri 181A to aslom (OM) A to 25lom 20 1 viti atopon todt s180M aslom to 1sdmun ant bri y pas
- 1 of 70 00:06 / 01:30:00 The following reactions are possible except CN CN Br2 FeBr3 Br CN CN HNO3 H2SO4 'NO2 CN CN SO3 H,SO, CN CN CH,COCI H2SO4F2(g)+2e-→2F-(aq) 2.866 O3(g)+2H+(aq)+2e-→O2(g)+H2O(l) 2.076 Co3+(aq)+e-→Co2+(aq) 1.92 H2O2(aq)+2H+(aq)+2e-→2H2O(l) 1.776 Ce4+(aq)+e-→Ce3+(aq) 1.72 Au+(aq)+e-→Au(s) 1.692 PbO2(s)+4H+(aq)+SO42-(aq)+2e-→PbSO4(s)+2H2O(l) 1.691 MnO4-(aq)+8H+(aq)+5e-→Mn2+(aq)+4H2O(l) 1.507 Au3+(aq)+3e-→Au(s) 1.498 Cr2O72-(aq)+14H+(aq)+6e-→2Cr3+(aq)+7H2O(l) 1.36 Cl2(g)+2e-→2Cl-(aq) 1.358 O2(g)+4H+(aq)+4e-→2H2O(l) 1.229 MnO2(s)+4H+(aq)+2e-→Mn2+(aq)+2H2O(l) 1.224 2IO3-(aq)+12H+(aq)+10e-→I2(s)+6H2O(l) 1.195 Br2(l)+2e-→2Br-(aq) 1.066 VO2+(aq)+2H+(aq)+e-→VO2+(aq)+H2O(l) 0.991 HNO2(aq)+H+(aq)+e-→NO(g)+H2O(l) 0.983 NO3-(aq)+4H+(aq)+3e-→NO(g)+2H2O(l) 0.957 2Hg2+(aq)+2e-→Hg22+(aq) 0.92 Hg2+(aq)+2e-→Hg(l) 0.851 Ag+(aq)+e-→Ag(s) 0.800 Hg22+(aq)+2e-→2Hg(l) 0.797 Fe3+(aq)+e-→Fe2+(aq) 0.771 O2(g)+2H+(aq)+2e-→H2O2(aq) 0.695 MnO4-(aq)+2H2O(l)+3e-→MnO2(s)+4OH-(aq) 0.595 I2(s)+2e-→2I-(aq) 0.536 Cu+(aq)+e-→Cu(s) 0.521 O2(g)+2H2O(l)+4e-→4OH-(aq)…Classify the following reactions by type CuSO4(aq) + ZnCrO4(aq) → ZnSO4(aq) + CuCrO4(s) blank 11H+(aq) + 2MnO4-(aq) + 5Cl-(aq) → 2Mn2+(aq) +5HClO(aq) +3H2O(l) blank HC2H3O2(aq) + KOH(aq) → KC2H3O2(aq) + H2O(l) blank 2CH3OH(l) + 3O2(g) → 2CO2(g) + 4H2O(l) blank NH3(aq) + HClO(aq) → NH4ClO(aq) blank
- 2. What mass of methane (CHa(9) 02(g) → CO2(9) + H20(g) AH°rxn = -890 %3DHOCI(aq) + H2O(1) 2 H0*(aq) + CI"(aq) K1 = H,O*][OCI"] HOCI| Reaction 1: Reaction 2: 2 H20(1) 2 H30+(aq) + OH¯(ag) K2 = [H,O*][OH) Reaction 3: ОСr (ag) + H,о() — носі(аq) + он (ад) K3 =? Based on the equilibrium constants given above, which of the following gives the correct expression for the equilibrium constant for reaction 3? O K3 = B K3 = KỊK2 K1 K3 K3 = Kį K2Hg(OAc)2 NaBH4, HO¯ TsCl, pyridine KCN CN CN (a) (b) CN OTs (b) (a) 2017 6-01-200 17C Haze AD 0 NG 1 rch hp
- 2. HPO42taq) + H2Ou) = H2PO4°(aq) + OH 3. CH3COOH(aq) + H2O) = CH3COOH2*(aq) + OH(aq)Use and modify some/all the reactions provided to form the indicated overall reaction according to Hess' Law. • If a reaction is not used in your Hess' Law process, include that indication by multiplying the reaction by "0" • If no modification is needed and the reaction is applied as written below, include that indication by multiplying the reaction by "1" • Use whole numbers and simple fractions (such as "2" or "1/2", not 0.5) and negative signs (such as "-2") where needed Then calculate and report the enthalpy change (in kJ) for the overall reaction in the indicated blank, including units with your written value and rounded to 1 decimal place. Overall Reaction: CS2(1) + 302(g) → CO2(g) + 2SO2(g) Rxn # Reaction ΔΗ° (kJ) 1 C(s) → C(g) 716.67 2 C(s) + O2(g) → CO2(g) -393.5 3 3Fe(s) +202(g) → Fe3O4(s) -1118 4 C(s) + 2S(s) → CS2(1) 87.9 5 CH4(g) + O2(g) → CO₂(g) + H₂O(g) -882.0 6 S(s) + O2(g) → SO2(g) -296.8 N2(g) + 4H2(g) + Cl2(g) → 2NH4Cl(g) -629.1 72. Which of the two complexes examined in this experiment, Co(H20)6²* (pink) and CoClą2- (blue), is expected to have a greater splitting energy? Provide a brief explanation to support your choice. 3. Use Le Chatelier's principle to identify a factor (other than temperature) that could drive the reaction in the forward direction.