b. the entropy of the system increases. For the following reaction, identify the substance oxidized, reduced and the oxidizing and reducing agents. Learn about redox reaction examples, balancing redox reactions, and the redox reaction definition. C. allowing more time for the reaction. NO2- + Al ----> AlO2- + NH3, Balance the following redox equation and identify the element oxidized, the element reduced, the oxidizing agent, and the reducing agent. The introduction of a catalyst into a reaction mixture at equilibrium would: a. cause a change in the amount of heat absorbed or evolved. But at high temperatures, the reaction below can proceed to a measurable extent. For the reaction 2NO(g) + O_2(g) to 2NO_2(g) the standard change in Gibbs free energy is Delta G = -69.0 kJ/mol. You can specify conditions of storing and accessing cookies in your browser. c. high temperature and high pressure. Which element or ion is oxidized and which one is reduced? If a reaction is exothermic and is accompanies decrease in entropy of the system, then the reaction is A) spontaneous at low temperatures only. Cr_2O_3(s) + 2Al(l) \to 2Cr(l) + Al_2O_3(l) If 42.7 g Cr_2O_3 and 9.8 g Al are mixed and allowed to react until one of the reactants is used up: (a) Which reactant will be left over? Use your graphing calculator's rref() function (or an online rref calculator) to convert the following matrix into reduced row-echelon-form: Simplify the result to get the lowest, whole integer values. For each reaction, identify the substance being oxidized and the substance being reduced. The redox reaction with oxidation states of all elements is: Our experts can answer your tough homework and study questions. answered For the following reaction, identify the element that was oxidized, the element that was reduced, and the reducing agent. For the endothermic reaction 2CO2 (g) + N2O) = 2NO (g) + 2CO (g), the conditions that favor maximum conversion of the reactants to products are In: a. high temperature and low pressure. Energy is a product and the temperature of the surrounding environment decreases. O2(aq) + N2H4(aq) arrow 2H2O(l) + N2(g), Tell which of the following are oxidation-reduction reactions. B. b. the reaction is exothermic. b) less the conservation of energy. SiBr4(l) + 2Ba(s) arrow 2BaBr2(s) + Si(s), Determine whether the following reaction is an oxidation-reduction reaction. C₆H₅NO₂ + 4 H₂O + 6 Fe(OH)₂ → C₆H₇N + 6Fe(OH)₃ 2. \\ 1.\ SnO_2(s) + 2C(s) \rightarrow Sn(s) + 2CO(g)\\ 2.\ 2Fe_2O_3(s) + 3C(s) \rightarrow 4Fe(s) + 3CO_2(g), Identify the oxidizing agent and the reducing agent in the following reaction. In the following decomposition reaction, ___ is being oxidized, ___ is being reduced, ___ is the oxidizing agent, and ___ is the reducing agent. What is the limiting reactant in 2no 2co N2 2co2? 2CO(g) + 2NO(g)2CO2(g) + N2(g) . oxidized; reduced. 2NO --> N2 + O2 2CO + O2 --> 2CO2. For the following reaction, identify the reducing agent, the oxidizing agent, what is reduced, and what is oxidized. 2Hg2+ + N2H4 arrow 2Hg + N2 + 4H+, For the following reaction, identify the substance being oxidized, the substance being reduced, the oxidizing agent, and the reducing agent. Mn(s) + Cd2+(aq) arrow Mn2+(aq) + Cd(s), Balance the following reaction in basic solution & identify the oxidizing agent & reducing agent: H_2O_2 + Cl_2O_7 --> ClO_2- + O_2. All other trademarks and copyrights are the property of their respective owners. Enthalpy of Reactants. In the following redox reaction, use oxidation numbers to identify the element oxidized, the element reduced, the oxidizing agent, and the reducing agent. 3Sn2+(aq) + 2Al(s) arrow 3Sn(s) + 2Al3+(aq), Identify the species oxidized, the species reduced, the oxidizing agent, and the reducing agent in the following reaction. For those that are, identify the oxidizing agent, the reducing agent, the substance being oxidized, and the substance being reduced. Check out a sample Q&A here See Solution Knowledge Booster Learn more about Stoichiometry Need a deep-dive on the concept behind this application? For the reaction: 2NO(g) + O_2(g) <=> 2NO_2(g), what is the standard change in Gibbs free energy? A limiting reactant in a reaction is the reactant which is fewer in amount or consume early without complete reaction with other reactants. If the entropy increases in a chemical reaction, then: a. the change in enthalpy is negative. Oxygen is not balanced because I have seven oxygen on each side. (b) Preform the reaction at room temperature. 2F- + SnO32- + H2O arrow F2 + SnO22- + 2OH-. Under what temperatures would this reaction be spontaneous? To balance the equation, we can change the coefficients of the reactants and products. 4I^- + O_2 + 4H^+ to 2I_2 + 2H_2O. B. Higher order (greater than 3) reactions are rare due to: A) Increase in entropy and activation energy as more molecules are involved B) Low probability of simultaneous collisions of all the reacting species C) Shifting of equilibrium towards reactants due, You run a reaction that has a negative entropy change and is exothermic. Also identify the oxidizing agent and the reducing agent. For the reversible reaction: 2CO (g) + 2NO (g) + N2 (g) + 2C02 (g) the following concentrations of reactants and pro wing concentrations of reactants and products are found at equilibrium. IV) does not change the value. Consider the following reaction: Zn(s) + Cu2+(aq) arrow Zn2+(aq) + Cu(s) a. H2 (g) + Cl2 (g) rightarrow 2 HCl (g) a. H, Cl, Cl, H b. H, Cl, H, Cl c. Cl, H, H, Cl d. Cl, H, Cl, H, Specify which of the following are redox reactions and identify the oxidizing agent, the reducing agent, the substance being oxidized, and the substance being reduced. b) Because O3 yields the smallest amount of NO2, it is the limiting reagent. C2H3NaO2 + NaOH + CaO = Na2CO2 + CaH2O2 + CH4. Concept explainers Question thumb_up 100% In the following reaction, how many grams of H2O are produced if 6.13g of N2H4 react? Which of the following changes will increase the reaction rate of the forward reaction? For the reaction 2NO(g) + O_2(g) ? Using the reaction below, identify the element that was oxidized, the element that was reduced For the following reaction, identify the element that was oxidized, the element that was reduced, and the reducing agent. How to balance redox equations? d) increases the entropy of the system. Does the mass of NaHCO3(s) increase, decrease, or stay the same if the temperature is increased? Q1) The reaction shown below is endothermic. Cu(s) + 2AgNO3(aq) arrow 2Ag(s) + Cu(NO3)2(aq). 2CO + 2NO 2CO2 + N2. Appl Of Ms Excel In Analytical Chemistry 2nd Edition ISBN: 9781285686691 If this reaction is run in a controlled way to generate work, what is the maximum useful wor, For gaseous reaction, standard conditions are 298 K and a partial pressure of 1 atm for all species. Which of the changes will increase the reaction rate? 2 K ( s ) + F 2 ( g ) 2 K F ( s ), For the following reaction, identify the substance that is oxidized, the substance that is reduced, the oxidizing agent, and the reducing agent. If we put a two in front of a channel three and a one in front of the N. O. 3 I 2 ( q ) + 6 O H ( a q ) 5 I ( a q ) + I O 3 ( a q ) + 3 H 2 O ( l ), For each reaction, identify in order the substance oxidized, the substance reduced, the oxidizing agent, and the reducing agent. a. Cu(s) + 2Ag+(aq) arrow 2Ag(s) + Cu2+(aq) b. HCl(g) + NH3(g) arro, For the following reaction, indicate which substance is oxidized and which is reduced. There was an issue generating an instant solution. For the reaction system {eq}2NO(g) + 2CO(g) \leftrightharpoons N_{2}(g) + 2CO_{2}(g) + heat How can I know the relative number of grams of each substance used or produced with chemical equations? High temperatures b. How can a chemical equation be made more informative? a. pressure b. concentration of reactants c. temperature d. duration of reaction, Reaction rates increase with temperature because as the temperature increases: a. the activation energy decreases. (a) oil in water (b) soup (c) sugar in water (c) copper sulphate in oil. Assume that the magnitude of the volume and temperature changes are similar among the reactions. copyright 2003-2023 Homework.Study.com. In this case, we can change the coefficient of NO on the left side to 4: Identify the species oxidized, the species reduced, the oxidizing agent, and the reducing agent in the following reaction. (b) will change if the temperature of the reaction is changed. 2MnO4-(aq) + 10Cl-(aq) + 16H+(aq) arrow 5Cl2(g) + 2Mn2+(aq) + 8H2O(l), Identify the oxidizing agent and the reducing agent in the following reaction. c. the reaction becomes more spontaneous d. the number of effective collisions increases. # of e's gained per atom? Determine what is oxidized and what is reduced as well as the reducing agent and oxidizing agent in the following reaction. Snapsolve any problem by taking a picture. a) Heat energy helps to lower the amount of overall energy that is required for the reaction to occur. Identify the oxidizing agent and the reducing agent in each of the following. You can use parenthesis () or brackets []. P_4 (s) + 10HClO (aq) + 6H_2O (l) to 4H_3PO_4 (aq) + 10HCl (aq), For the reaction indicate which element is oxidized and why reduced. Post any question and get expert help quickly. Cu(s) + 2AgNO3(aq) arrow 2Ag(s) + Cu(NO3)2(aq), Specify which of the following are oxidation-reduction reactions. Createyouraccount. The reaction has less moles of gas on the product side. c) increases the pressure of the system. Balance the equation CO + NO = N2 + CO2 using the algebraic method or linear algebra with steps. Use oxidation numbers to identify the element oxidized, the element reduced, the oxidizing agent, and the reducing agent in the following reaction. D. 2Cu + O2 CuO is an imbalanced equation as both . One of the components of polluted air is NO. b. fewer reactants and products. - 2 Nitrogen atoms (from 2NO) a. An increase in the concentration of reactants 2. Createyouraccount. There will be a shift toward the products. {/eq} is a redox Our experts can answer your tough homework and study questions. - 2 Oxygen atoms (from 2CO) e. the reaction is spontaneous. 2Rb(s) + Br2(l) to(heat) 2RbBr(s), Identify the oxidation share of each element, what is reduced, what is oxidized, and the reducing and oxidizing agent. (1) favorable; unfavora. Explain the relationship between AH for a reaction and the amounts of reactants and products that undergo reaction. Examples: Fe, Au, Co, Br, C, O, N, F. Ionic charges are not yet supported and will be ignored. a) Determine what is oxidized and what is reduced. 2CO2(g) + N2(g) Using standard thermodynamic data at 298K, calculate the free energy change when 1.72 moles of CO(g) react at standard conditions. b) converts thermal energy to chemical energy. Almost done! CH4 + 2O2 = CO2 + 2H2O, In the following redox reaction, use oxidation numbers to identify the element oxidized, the element reduced, the oxidizing agent, and the reducing agent. In the following composition reaction, ___ is being oxidized, ___ is being reduced, ___ is the oxidizing agent, and ___ is the reducing agent. KClO3(aq) + 6HBr(aq) arrow KCl(aq) + 3Br2(l) + 3H2O(l), For each reaction, identify the substance being oxidized and the substance being reduced. (b) has a positive enthalpy. In the system A(g) + 2B(g) to 2C(g) + 2D(g) Delta H = 21 kJ/mol, it is possible to increase the quantity of C by: a) adding a catalyst. All rights reserved. What is the eq, Which of the following changes will increase reaction rate? What is the limiting reactant? CH_4(g) + H_2O(g) \rightarrow CO(g) + 3H_2(g) A. Cu(NO_3)_2 (aq) + Mg(s) \rightarrow Cu(s) + Mg(NO_3)_2 (aq, Use oxidation numbers to identify the element oxidized, the element reduced, the oxidizing agent, and the reducing agent in the following reaction. Identify the oxidizing agent and the reducing agent on the left side of the following reaction. For the equation below, identify the substance oxidized, the substance reduced, the oxidizing agent, the reducing agent, Then write the oxidation half-reaction and the reduction half-reactions. For the reaction 2NO(g) + O_2(g) rightleftharpoons 2 NO_2(g) the standard change in Gibbs fre, Which of the following changes will increase the reaction rate? Create your account View this answer The given chemical equation 2CO + 2NO 2CO2 + N2 2CO + 2NO 2C O 2 + N. 2SO2 + O2 arrow 2SO3, For the following redox reaction, identify the substance being oxidized, the substance being reduced, the oxidizing agent, and the reducing agent. Oxidation-Reduction Oxidation-Reduction Reactions 2Na(s) + 2H_2O ---> 2NaOH(aq) + H_2(g) Oxidizing agent? For the following reaction, identify the substances oxidized, reduced and the oxidizing and reducing agents? Always (all temperatures) c. Low temperatures d. High temperatures, The following reaction takes place at high temperatures. KClO3(aq) + 6HBr(aq) arrow KCl(aq) + 3Br2(l) + 3H2O(l), For the following redox reaction, identify the oxidizing and reducing agents: Fe_2O_3(s) + 2Al(s) rightarrow 2Fe(s) + Al_2O_3(s), Use oxidation numbers to identify the element oxidized, the element reduced, the oxidizing agent, and the reducing agent in the following reaction. What is Delta G for this reaction at 2, A dynamic equilibrium can be defined as: a. no reactants react b. no products are formed c. the rate of the forward reaction is faster than the rate of the reverse reaction d. the rate of the reverse reaction is faster than the rate of the forward reactio, A reaction has a negative enthalpy change and a negative entropy change. Specify which of the following are oxidation-reduction reactions. (C) PVC Predict what will happen if the temperature is increased. b) If the system shown above is cooled. For the overall reaction of 2NO + 2CO N2 + 2CO2, the main reaction pathways take place on the facet site rather than the edge site of the Rh4 cluster. c. more reactants and fewer products. How can I balance this equation? (d) heat transfer is not detected as a temperature change. 2Al(s) + 6H+(aq) arrow 2Al3+(aq) + 3H2(g), For the following reaction, identify the substance being oxidized and reduced. An exothermic reaction: a) decreases the entropy of the system. Identify the oxidizing agent and the reducing agent on the left side of the following reaction. They are nitrogen monoxide (also called nitric oxide) and carbon monoxide. On the left side, we have: N_2(g) + 2O_2(g) \to 2NO_2(g) a) Is this reaction endothermic or exothermic? Become a Study.com member to unlock this answer! - 2 Nitrogen atoms (from N2) What is the mole ratio of no to 02? On the right side, we have: 2Cr(OH)3 + 3Br2 + 10OH^- \rightarrow 6Br^- + 2CrO4^{2-} + 8H2O In the above redox reaction, use oxidation numbers to identify the element oxidized, the element reduced, the oxidizing agent and the reducing agent. a. {eq}\rm 2CO + 2NO \to 2CO_2 + N_2 {/eq}. (The reaction is endothermic). Use substitution, Gaussian elimination, or a calculator to solve for each variable. Get the app to make the most of your account. Identify the element being oxidized and reduced in the following questions: a. N 2 ( g ) + 3 H 2 ( g ) ? - 2 Carbon atoms (from 2CO) Is the change in enthalpy for a reaction an extensive property? Given the following equation: 2NO + 2CO N2+ 2CO2 There are 3.0g of NO and 3.0 g of CO reacting. (d) absorbs heat. The pressure decreases. C l 2 ( g ) + 2 K I ( a q ) 2 K C l ( a q ) + I 2 ( s ), Identify the oxidizing agent and the reducing agent in the reaction: 8H+(aq) + 6Cl-(aq) + Sn(s) + 4NO3-(aq) to SnCl62-(aq) + 4NO2(g) + 4H2O(l), Identify the species that are oxidized and reduced in the following reaction. CaCl2(aq) + 2Cu(s) arrow 2CuCl(aq) + Ca(s), Identify the oxidized substance, the reduced substance, the oxidizing agent and the reducing agent in the following redox reaction: 3Ni^{2+} + 2co \rightarrow 2Co^{3+} +3Ni, Identify the element oxidized and the element reduced in the following reaction. E. None of the above. P b ( s ) + C u S O 4 ( a q ) P b S O 4 ( a q ) + C u ( s ), For the following reaction, identify the substance that is oxidized, the substance that is reduced, the oxidizing agent, and the reducing agent. around the world. Calculate the temperature at which the following reaction shifts from reactant-favored to product-favored. For the reversible reaction: 2CO(g) + 2NO(g) + N2(g) + 2C02(g) the following concentrations of reactants and pro wing concentrations of reactants and products are found at equilibrium. Explain. P 2 O 5 ( s ) + H 2 O ( g ), Identify the oxidizing agent and the reducing agent in the following reaction. (c) has no enthalpy. N2H4+3O2=2NO2+2H2O Expert Solution Want to see the full answer? (a) 2HNO3 + 3H3AsO3 -->2NO + 3H3AsO4 + H2O a. HNO3; H3AsO3; H3AsO3; H. Consider the following reaction: Zn(s) + CuCl2(aq) arrow ZnCl2(aq) + Cu(s). For the reaction 2S + 3O2 arrow 2SO3, identify the oxidizing agent and the reducing agent. a. A student sets up two reactions. 2 B H 3 ( g ) b. P b S ( s ) + 4 H 2 O 2 ( a q ) ? CClsub4, For the following reaction, give the oxidation state on each element. a. If it is, identify the oxidizing agent, the reducing agent, the substance being oxidized, and the substance being reduced. d. the reducing agent. Given the following balanced equation: 2CO + 2NO arrow N2 + 2CO2 A) If 20 g of NO reacts with 25 g of CO, identify the limiting reactant. For the reaction 2NO+O_{2}\leftrightarrow 2NO_{2} the standard change in Gibbs free energy is. Give an explanation for each answer. d. what is oxidized. (A) 3N2(g) + H2(g) rightarrow 2NH3(g) (B) 2Zn(s) + O2(g) rightarrow 2ZnO(s) (C) CaCO3(s) rightarrow CaO(s) + CO2(g) (D) H2O(l) + CO2(g) rightarrow H2CO3(aq). A redox reaction consists of two types of processes undergoing at same time which are reduction and oxidation. The reaction, 2SO_3(g) to 2 SO_2(g) + O_2(g) is endothermic. Which of the following will not increase the rate of the reaction? For a gaseous reaction, standard conditions are 298 K and a partial pressure of 1 atm for all species. D, In which reaction will the entropy of the system increase? Learn about reducing agents through their definition. Explain in detail oxidizing agent and reducing agent refer to the product of a redox reaction. Explore examples of Le Chatelier's Principle in terms of concentration, pressure, and temperature. Predict whether the reactants or products will be favored and the relative amounts of each. a) Mg(s)+Br2(g)?MgBr2(s), Balance the following redox equation and identify the element oxidized, the element reduced, the oxidizing agent, and the reducing agent. Chemical reactions are of different types depending on the process in which reactants are converted into products. The reaction in which reactants are converted into the products is called the forward reaction. HI(g) + NH3(g) arrow NH4I(s), Determine whether the following reaction is an oxidation-reduction reaction. In the following reaction, identify the elements that are oxidized and reduced, as well as the oxidizing and reducing agents. Bi2O3(s) + 2NOS-(aq) + 2OH-(aq) arrow 2BiO3-(aq) + 2NO2-(aq) + H2O(l), Determine what is oxidized and what is reduced as well as the reducing agent and oxidizing agent in the following reaction. Br_2 (l) + 2K (s) to 2KBr(s), For the following reaction, identify the reducing agent, the oxidizing agent, what is reduced, and what is oxidized. Try it in the Numerade app? [CO] -0.115M, [NO] -0.227M 5. For the reaction 2NO(g) + O_2(g) rightleftharpoons 2NO_2(g) the standard change in Gibbs free. To obtain the greatest yield of NH3, this reaction should be carried out at: a. high temperature, high pressure b. any temperature, any pressure c. low temperature, lo, Increasing the temperature of an exothermic reaction results in ________. 2Li(s) + Fe2+(aq) arrow 2Li+(aq) + Fe(s), In the following reaction, classify the reactants as the reducing agent, the oxidizing agent, or neither. c. Identify which elements are oxidized and reduced. Det, The rate of most reactions decreases over time because the decrease in the concentration of the reactants: a) decreases the rate of successful collisions. a. Cu(s) + 2Ag+(aq) arrow 2Ag(s) + Cu2+(aq) b. HCl(g) + NH3(g) arro, Identify the oxidizing agent and the reducing agent in the following reaction. HgCl2(aq) + 2KI(aq)-- HgI2(s) +2KCl(aq), For the following reaction, identify the substance being oxidized and reduced. For the following redox reactions, determine which element is being reduced and which is being oxidized. The reaction takes place in a reaction vessel at a high temperature close to 600 deg C. Wit, Activation energy is: a. the heat released in a reaction b. the energy barrier between reactants and products c. the energy given off when reactants collide d. generally very high for a reaction that takes place rapidly, Assuming constant pressure, rank these reactions from most energy released by the system to most energy absorbed by the system based on the following descriptions. 1. Replace immutable groups in compounds to avoid ambiguity. SnCl4(l) + 2H2O(l) arrow 4HCl(aq) + SnO2(s), Determine whether the following reaction is an oxidation-reduction reaction. N_2 + 2O_2 => 2NO_2. 8H^+(aq) + 6Cl^-(aq) + Sn(s) + 4NO_3^-(aq) \to SnCl_6^{2-}(aq) + 4NO_2(g) + 4H_2O(l). For the reaction 2NO(g) + 0_2(g) 2NO_2(g) the standard change in Gibbs free energy is Delta g =. Give a full explanation for each answer. Balance CO + NO = N2 + CO2 by inspection or trial and error with steps. Hydrogen cyanide is produced industrially by the following exothermic reaction. N2(g) + 3H2(g) \leftrightharpoons 2NH3(g) K = 6.8 x 10^5 a.Reactants are favored, and there will be more reactants than products. C u ( s ) + N i 2 + ( a q ) C u 2 + ( a q ) + N i ( s ), For the following reaction, identify the element that was oxidized, the element that was reduced, and the reducing agent. 2S2O32- + I2 arrow S4O62- + 2I-. Explanation: 2NO+2CO N2+2CO2 The reactants are on the left-hand side of the arrow. CH4 + 2O2 to CO2 + 2H2O. c. the pressure decreases. 2H+(aq) + Ni(s) arrow H2(g) + Ni2+(aq), Identify the oxidizing agent and the reducing agent in the following reaction. 2 C O + 2 N O 2 C O 2 + N 2. 1 Answer Meave60 Mar 6, 2016 The reactants are nitrogen monoxide (also called nitric oxide) and carbon monoxide. Reaction Information Word Equation Carbon Monoxide + Nitric Oxide (Radical) = Dinitrogen + Carbon Dioxide Experts are tested by Chegg as specialists in their subject area. 5CH_3CHO + 2MnO_4^- + 6H^+ to 5CH_3CO_2H + 2Mn^2+ + 3H_2O, Which of the following are oxidation-reduction reactions? 2 Ag2O (s) rightarrow 4 Ag (s) + O2 (g) a. Ag, O, O, Ag b. Ag, O, Ag, O c. O, Ag, Ag, O d. O, Ag, O, Ag, Balance the following reaction in basic solution & identify the oxidizing agent & reducing agent: H_2O_2 + Cl_2O_7 --> ClO_2- + O_2, What are the oxidizing agent, the reducing agent, the oxidized substance, and the reduced substance in the reaction below?
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