For each chemical reaction listed in the table below, decide whether the highlighted atom is being oxidized or reduced.CH4(9)+H₂O(g) → CO(g) + 3 H₂(g)Na₂CO3(s) + H₂PO4(aq) → Na₂HPO4(aq) + CO₂(g) + H₂O(1)2H,S(aq)+O,(g) →2S(s)+2H,O)FeO(s)+CO(g) → Fe(s)+CO₂(g)ExplanationreactionCheckhighlighted atom is being...oxidizedO O O OreducedοιοιοιοOXneitheroxidized norreducedMacBook AirOOS© 2023 McGraw Hill LLC. All Rights Reserved. Terms of U=

Oxidation number help us to determine whether an element get oxidized or reduced during a chemical…

For each chemical reaction listed in the table below, decide whether the highlighted atom is being oxidized or reduced. CH4(9)+H₂O(9)→ CO(g) + 3 H₂(g) Na₂CO3(s)+H3PO4(aq) → Na₂HPO4(aq) + CO₂(g) +H₂O(l) Explanation reaction 2H,S(aq)+O,(g) → 2S(s)+2H,O FeO(s)+CO(g) → Fe(s)+CO₂(g) Check highlighted atom is being... oxidized reduced OO O O Oooo X neither oxidized nor reduced MacBook Air O O 00 S © 2023 McGraw Hill LLC. All Rights Reserved. Terms of Us

For each chemical reaction listed in the table below, decide whether the highlighted atom is being oxidized or reduced. CH4(9)+H₂O(9)→ CO(g) + 3 H₂(g) Na₂CO3(s)+H3PO4(aq) → Na₂HPO4(aq) + CO₂(g) +H₂O(l) Explanation reaction 2H,S(aq)+O,(g) → 2S(s)+2H,O FeO(s)+CO(g) → Fe(s)+CO₂(g) Check highlighted atom is being... oxidized reduced OO O O Oooo X neither oxidized nor reduced MacBook Air O O 00 S © 2023 McGraw Hill LLC. All Rights Reserved. Terms of Us

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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Which of the following reactions is a combination reaction? Mg (s) + CuSO4 (aq) → MgSO4 (aq) + Cu (s) Na2SO4 (aq) + MgCl2 (aq) → MgSO4 (aq) + 2 NaCl (aq) 2 H2O (g) → 2 H2 (g) + O2 (g) Na2CO3 (aq) + MgCl2 (aq) → MgCO3 (s) + 2 NaCl (aq) 2 H2 (g) + O2 (g) → 2 H2O (g)
2. Table 1.5 shows the equations for several redox reactions. Table 1.5 Reaction Chemical equation I Cu(s) + 2Ag*(aq) → Cu²*(aq) + 2Ag(s) II 2Pb(s) + 0,(g) → 2P6O(s) III 2Al(s) + 3Cl,(g) → 2AICI,(s) IV Br, (aq) + 21 (aq) → 2Br (aq) + I,(aq) For each of the above redox reaction: (a) write the half equations for oxidation and reduction. (b) identify the oxidised substance, reduced substance, oxidising agent and reducing agent. Explain your answer in terms of the transfer of electrons.
For each reaction in the table below, write the chemical formulae of any reactants that will be oxidized in the second column of the table. Write the chemical formulae of any reactants that will be reduced in the third column. reaction 4 Ti (s) + Sg (s) 4 TiS₂ (s) 1₂ (s) + Mg(s) MgI₂ (s) 2Ni (s) + O₂(g) → 2NiO (s) reactants oxidized 0 reactants reduced П 0 0 X On S
Classify each chemical reaction: reaction CH, OCH (1) +30₂(g) → 2CO₂ (g) + 3H₂O(g) HI (aq)+ NaOH (aq) → Nal (aq) + + H₂O(1) Mgl, (aq) + Pb(NO₂)₂ (aq) → Mg(NO3)₂(aq) + Pbl₂(s) 2 Mg(s) + F₂ (g) → 2MgF (s) - type of reaction (check all that apply) combination single replacement double replacement decomposition combination single replacement double replacement decomposition combination single replacement double replacement decomposition combination single replacement double replacement decomposition X O precipitation combustion acid-base O precipitation combustion acid-base precipitation combustion acid-base precipitation combustion acid-base S
For each chemical reaction listed in the table below, decide whether the highlighted atom is being oxidized or reduced. reaction 2 Cro¯(aq) +2 H₂O+ (aq) → Cr‍₂O²˜¯(aq)+3 H₂O(1) 2 H2(g)+O2(g) → 2 H₂O(g) NH3(aq)+2 O2(g) → HNO3(aq)+H2O(l) N2(g)+3 H₂(g) → 2 NH3(g) highlighted atom is being... oxidized reduced neither oxidized nor reduced
Decide whether each chemical reaction in the table below is an oxidation-reduction ("redox") reaction. If the reaction is a redox reaction, write down the formula of the reducing agent and the formula of the oxidizing agent. S₂ (s) + 4Pb (s) 4PbS₂ (s) 70₂(g) + 2CH₂CH₂(g) → 4CO₂(g) + 611₂0 (g) 3 HSO (aq) + OH¯(aq) → SO² (aq) + H₂0 (1) redox reaction? yes reducing agent: oxidizing 0 agent: redox reaction? yes reducing agent: oxidizing agent: 0 redox reaction? yes reducing agent: oxidizing □ agent: no no no X Ś
EQUATION CLASSIFICATIONS: combustion, synthesis, decomposition, single-displacement, double-displacement Mass in Chemical Reactions Types of Chemical Reactions: REDOX Analysis Assign Oxidation States To All Elements: 00 MgO (s) Mg(s) + O₂(g) Cuo + H₂ (g) 0.0 Cu (s) + H₂O (1) 00 00 Fe₂O3 (s) + 3 CO (g) → 3 CO₂ (g) + 2 Fe (s) 000 AgNO3(aq) + Li (s) ➜ LINO3(aq) + Ag (s) Classify The Equation Identify The OXIDIZED Element HALF REACTION: HALF REACTION: HALF REACTION: HALF REACTION: Identify The REDUCED Element HALF REACTION: HALF REACTION: HALF REACTION: HALF REACTION: half-reactions oxidation and reduction reactions that, taken together, account for all electron movement Oxidation Reduction C Overall Identify The OXIDIZING Agent Pb Pb +20 Cu Identify The REDUCING Agent
Add all four reaction steps together to get the overall reaction. Remember to cross out anything that occurs on both the reactant and product sides and to combine like terms. 1. 2 Al(s) + 2 KOH (aq) + 6 H2O (l) → 2 KAl(OH)4(aq) + 3 H2(g) 2. 2 KAl(OH)4(aq) + H2SO4 (aq) → 2 Al(OH)3(s) + 2 H2O (l) + K2SO4(aq) 3. 2 Al(OH)3(s) + 3 H2SO4 (aq) → Al2(SO4)3(aq) + 6 H2O (l) 4. Al2(SO4)3(aq) + K2SO4(aq) + 24 H2O (l) →2 (KAl(SO4)2∙12H2O) (s) For each reactant except water, calculate the number of moles you added (use the stoichiometry of the balanced equation to identify the limiting reactant. Al: ____ moles KOH: ____ moles H2SO4: ____ moles mass of aluminum: 0.49g the volume of 1.4 M KOH: 25.0 mL the volume of 9 M H2SO4: 10.2 mL mass of watch glass: 50.28 g mass of watch glass plus alum: 58.17g
Match the following. Match the words in the left column to the appropriate blanks on the right. Make certain each blank is complete before submitting your answer. combustion oxidation-reduction precipitation acid-base gas evolution N 3. 4. 5. CH₂(g) +20₂(g) → CO₂(g) + 2H₂O(g) Reset Help H₂SO4(aq) + 2LiOH(aq) → 2H₂O(l) + Li₂SO4(aq) : Mg(s) + Cu(NO3)2(aq) → Mg(NO3)2(aq) + Cu(s) : 2HCl(aq) + (NH4)₂S(aq) → H₂S(g) + 2NH4Cl(aq) : NaCl(aq) + AgNO3(aq) → AgCl(s) + NaNO3(aq)
5. Identify each of the following reactions as either synthesis, decomposition, single displacement, double displacement, combustion, or neutralization 2Li(s) + H₂O(1)→ Li₂O(s) + H2(g) SO2(g) + H₂O → H₂SO3(aq) 02|| AgNO3(aq) + NaCl(aq) → AgCl(s) + NaNO3(aq) + 2NaOH(aq) → Na₂CO3(aq) + H₂CO3(aq) 2H₂O C3H8(g) + 502(g) → 3CO2(g) + 4H₂O(1) Mg(OH)2(aq) → MgO(s) + H₂O(1)
For each chemical reaction listed in the table below, decide whether the highlighted atom is being oxidized or r highlighted atom is being... reaction neither oxidized nor oxidized reduced reduced olo Cu SO 4(aq)+Zn(s) → ZnSO 4(aq)+Cu(s) 4 HF (9)+ SiO,(s) → SiF 4(9)+2 H,O(9) C(s)+O2(9) → CO,(9) N2(9)+3 H2(9) → 2 NH3(9)
A teacher combined CuCl2 (aq) and Na (s). The student observed a color change, thus a reaction occurred. Assign oxidation numbers to the reactants and products in the net ionic equation. Which reactant, CuCl2 (aq) or Na (s), got oxidized? Which reactant, CuCl2 (aq) or Na (s), got reduced? Which reactant, CuCl2 (aq) or Na (s), is the oxidizing agent? Which reactant, CuCl2 (aq) or Na (s), is the reducing agent?