For The Reaction H2(g) + 1 2O2(g) --> H2O(l) ΔH

Skip to main contentcloseHomework Help is Here – Start Your Trial Now!arrow_forwardSEARCHHomework help starts here!ASK AN EXPERTASKScienceChemistryFor the reaction H2(g) + 1 2O2(g) --> H2O(l)        ΔH = -286 kJ/mol    Calculate the enthalpy change when 4.73 g of hydrogen gas is reacted with excess oxygen.For the reaction H2(g) + 1 2O2(g) --> H2O(l)        ΔH = -286 kJ/mol    Calculate the enthalpy change when 4.73 g of hydrogen gas is reacted with excess oxygen.BUYChemistry 10th EditionISBN: 9781305957404Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCostePublisher: Cengage Learningexpand_less1 Chemical Foundations2 Atoms, Molecules, And Ions3 Stoichiometry4 Types Of Chemical Reactions And Solution Stoichiometry5 Gases6 Thermochemistry7 Atomic Structure And Periodicity8 Bonding: General Concepts9 Covalent Bonding: Orbitals10 Liquids And Solids11 Properties Of Solutions12 Chemical Kinetics13 Chemical Equilibrium14 Acids And Bases15 Acid-base Equilibria16 Solubility And Complex Ion Equilibria17 Spontaneity, Entropy, And Free Energy18 Electrochemistry19 The Nucleus: A Chemist's View20 The Representative Elements21 Transition Metals And Coordination Chemistry22 Organic And Biological Moleculesexpand_moreChapter Questionsexpand_moreProblem 1RQProblem 2RQProblem 3RQProblem 4RQProblem 5RQProblem 6RQProblem 7RQProblem 8RQProblem 9RQProblem 10RQProblem 1ALQProblem 2ALQProblem 3ALQProblem 4ALQProblem 5ALQProblem 6ALQProblem 7ALQProblem 8ALQProblem 9ALQProblem 10ALQProblem 11ALQProblem 14ALQProblem 15ALQProblem 16ALQProblem 17ALQProblem 18ALQProblem 19QProblem 20QProblem 21QProblem 22QProblem 23QProblem 24QProblem 25QProblem 26QProblem 28QProblem 29QProblem 30QProblem 31EProblem 32EProblem 33EProblem 34EProblem 35EProblem 36EProblem 37EProblem 38EProblem 39EProblem 40EProblem 41EProblem 42EProblem 43EProblem 44EProblem 45EProblem 46EProblem 47EProblem 48EProblem 49EProblem 50EProblem 51EProblem 52EProblem 53EProblem 54EProblem 55EProblem 56EProblem 57EProblem 58EProblem 59EProblem 60EProblem 61EProblem 62EProblem 63EProblem 64EProblem 65EProblem 66EProblem 67EProblem 68EProblem 69EProblem 70EProblem 71EProblem 72EProblem 73EProblem 74EProblem 75EProblem 76EProblem 77EProblem 78EProblem 79EProblem 80EProblem 81EProblem 82EProblem 83EProblem 84EProblem 85EProblem 86EProblem 87EProblem 88EProblem 89EProblem 90EProblem 91EProblem 92EProblem 93AEProblem 94AEProblem 95AEProblem 96AEProblem 97AEProblem 98AEProblem 99AEProblem 100AEProblem 101AEProblem 102AEProblem 103AEProblem 104AEProblem 105AEProblem 106AEProblem 107AEProblem 108AEProblem 109AEProblem 110AEProblem 111CWPProblem 112CWPProblem 113CWPProblem 114CWPProblem 115CWPProblem 116CWPProblem 117CPProblem 118CPProblem 119CPProblem 120CPProblem 121CPProblem 122CPProblem 123CPProblem 124CPProblem 125CPformat_list_bulletedSee similar textbooks

Related questions

Q: Given that the molar enthalpy of combustion for propan-1-ol, C3H7OH(l), is –2008.6 kJ/mol,  what is…A: Q: 5. Using data below and other data in your text if necessary, calculate the enthalpy change for the…A: Q: Equation A: 1/2 N2 (g) = 1/2 O2 (g) = NO (g) H=90.3 Equation B: 2 NOCl (g) = N2 (g) + O2 (g) + Cl2…A: Since, The standard enthalpy of the formation is defined as change of enthalpy of 1 mol of the…Q: Using standard heats of formation, calculate the standard enthalpy change for the following…A: Given: ∆HfoCH4g=-74.8 kJ/mol∆HfoO2g=0.0 kJ/mol∆HfoCO2g=-393.5 kJ/mol∆HfoH2Og=-241.8 kJ/molQ: H C=C H. H' H. CI-CI H-C-C-H CI CIA: Given reaction : C2H4+Cl2 → C2H4Cl2Q: Calculate enthalpy of reaction given reaction enthalpies for proposed steps in a process. K+(g) +…A: Q: What is the enthalpy change for producing 1.00 kg of acetic acid by this reaction?A: Q: The standard enthalpy change for the following reaction is -511 kJ at 298 K.Br2(l) + 3 F2(g)--->2…A: The objective of the question is to find the standard enthalpy change for the reaction 1/2 Br2(l) +…Q: Determine the enthalpy change for the reaction 2A: Q: Based on this value and the standard enthalpies of formation for the other substances, the standard…A: Standard enthalpy of formation is the change in enthalpy that accompanies the formation of one mole…Q: Determine the enthalpy for the reaction shown below. CS2(l)  +  3O2(g)  -->  CO2(g)  +  2SO2(g)…A: Standard enthalpy values  CS2 (l)  = 89.41 kJ/mol O2  (g)  =   0 kJ/mol CO2 (g) = -393.509 kJ/mol…Q: The enthalpy change for the reaction of hydrogen gas with fluorine gas to produce hydrogen fluoride…A: Q: Write the reaction illustrating ΔH°f of CaCO3 and draw the enthalpy diagram showing the relative…A: Answer:Chemical equation that represents formation of one mole of a compound from the standard state…Q: Using the partial equations below, determine the enthalpy of formation of nitric oxide (NO). Hint:…A: Q: Calculate the change of enthalpy for the reaction CH4 (g) + NH3 (g) --> HCN (g) +3H2 (g) from the…A: Calculate the change of enthalpy for the reaction CH4 (g) + NH3 (g) → HCN (g) +3H2 (g) from the…Q: Using the information provided, determine the enthalpy (in kJ/mol) for the reaction C₃H₈ (g) + 5 O₂…A: Given,            ∆Hf°C3H8(g) = -108.4  KJ/mole.             ∆Hf°O2(g) = 0  KJ/mole.…Q: A scientist measures the standard enthalpy change for the following reaction to be - 73.2 kJ: 3Fe2O3…A: Q: Ethanol, C₂H₂OH, is mixed with gasoline and sold as gasohol. Use the following to calculate the…A: Ethanol reacts with oxygen to form carbon dioxide and water. The equation for the balanced chemical…Q: The standard enthalpy change for the following reaction is -851 kJ at 298 K. 2 Na(s) + O2(g) +…A: Q: The enthalpy change in the hydrogen combustion reaction is H2(g) + O2(g) H2O(1) AH-241.8 kJ/mol.…A: Q: 1. Calculate the enthalpy for this reaction: 3NO 2 (g) + H 2 O(ℓ) ---> 2HNO 3 (aq) + NO(g) given…A: Given reactions are : 1). 2NO (g) + O2 (g) -----------> 2NO2 (g),  ΔH1o = ─ 116 kJ2). 2N2 (g) +…Q: 2) Calculate the enthalpy of formation of carbon dioxide using the following information: _C(s) +_O₂…A: 2C(s)+O2(g)----> 2CO(g)  ∆H= -221.0 kJ/mol2CO(g)+ O2(g) --->2CO2(g)  ∆H= -283.0…Q: Calculate the change in enthalpy when 20.2g of oxygen reacts according to the following  equation:…A: Q: Using Enthalplies of formation determine the change in enthalpy (kJ/mol) for the following reaction.…A: Determine enthalpy of formation of the given reaction = ?Q: A scientist measures the standard enthalpy change for the following reaction to be -679.4 kJ :…A: The given chemical reaction is as follows: 2NH3(g) + 2O2(g) → N2O(g) + 3H2O(l)  ,…Q: Using standard heats of formation, calculate the standard enthalpy change for the following…A: Q: A scientist measures the standard enthalpy change for the following reaction to be 215.5 kJ : CH4(g)…A: Q: What is the enthalpy change of the following reaction: WO3 (s) + 3 H2 (g) → W (s) + 3 H20 (g) given…A: Since you have asked multiple questions, we will solve the first question for you. If you want any…Q: For the reaction H,(2) + 0,) → H,0M AH = - 286KJ/mol Calculate the enthalpy change when 2.50 g of…A: Q: The standard enthalpy changes for the formation of aluminum oxide and iron (III) oxide are 2 Al(s) +…A: Q: Calculate the standard enthalpy change (kJ/mol) for the following process given the enthalpies of…A: Q: Using the equations 2 H: (g) + O2 (g) → 2 H2O (1) AH° = -572 kJ/mol Ca (s) + ½ O2 (g) → CaO (s) AH°…A: The first chemical reaction is, 2H2g+O2g→2H2Ol                 ∆H°=-572 kJ/mol......(1) The second…Q: 1. Calculate the enthalpy of reaction for the combustion of methane gas, CH4, to form CO,(g) +…A: In this question, we want to Calculate tye Enthalpy of the combustion Reaction for methane. You can…Q: Calculate the enthalpy changeA: Q: 2NO(g) + 02(g)–2NO2(g) Based on this value and the standard enthalpies of formation for the other…A: Given  2NO (g) + O2 (g) ---> 2 NO2 (g)  ∆H rxn = -112.0 KJ  ∆H°f (NO2) = ?Q: 372.5A: Given: PCl5(g)  →  PCl3(g)  +  Cl2(g)    ΔH-? P4(s)  +  6Cl2(g)  →  4PCl3(g)            ΔH = -2439…Q: When 1.42 g of iron reacts with 1.80 g of chlorine, 3.22 g of iron(II) chloride (FeCl2, molar mass =…A: Iron reacts with chlorine to form iron(II) chloride. When 3.22 g of  is formed, 6.8 kJ of heat is…Q: O Attempt 2 When 0.376 g of sodium metal is added to an excess of hydrochloric acid, 3910 J of heat…A: The amount of heat released is related to the no. Of moles of reactant participated in the valanced…Q: Determine the change in enthalpy (kJ/mol) for the following reaction. Use significant figures…A:

Concept explainers

ThermochemistryThermochemistry can be considered as a branch of thermodynamics that deals with the connections between warmth, work, and various types of energy, formed because of different synthetic and actual cycles. Thermochemistry describes the energy changes that …Exergonic ReactionThe term exergonic is derived from the Greek word in which ‘ergon’ means work and exergonic means ‘work outside’. Exergonic reactions releases work energy. Exergonic reactions are different from exothermic reactions, the one that releases only heat energ…Question

For the reaction

H2(g) + 1 2O2(g) --> H2O(l)        ΔH = -286 kJ/mol 

 

Calculate the enthalpy change when 4.73 g of hydrogen gas is reacted with excess oxygen.

  Expert SolutionThis question has been solved!Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.This is a popular solutionSee solutionCheck out a sample Q&A hereStep 1:-the values given in the question VIEW Step 2:- Calculation of number of moles of H2 reacted VIEW Step 3:- Calculation of enthalpy change using mole to heat released conversion VIEW

Trending nowThis is a popular solution!

Step by stepSolved in 3 steps with 3 images

See solutionCheck out a sample Q&A hereKnowledge BoosterLearn more about ThermochemistryNeed a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.Similar questionsarrow_back_iosarrow_forward_ios

• 3. Calculate the enthalpy change for the reaction P406 (s) + 2 02 (g) → P4010 (s) given the following enthalpies of reaction: AH = -1640.1 kJ P4 (s) + 3 02 (g) P4 (s) + 5 02 (g) → P406 (s) → P4010 (s) AH = -2940.1 kJarrow_forwardWhat is the enthalpy change when  2.00 mol of oxygen (O2) react? C12H22O11(s)   + 12 O2(g) →    12 CO2(g)  +    11 H2O(l)        ΔH = -5644 kJarrow_forwardWith a platinum catalyst, ammonia will burn in oxygen to give nitric oxide, NO. 4NH3 (9) + 502 (g) → 4NO(9) + 6H20(g) AH = -906 kJ What is the enthalpy change for the following reaction? NO(9) + H2O(9) → NH3 (9) + O2(g) Enthalpy change : kJarrow_forward
• Determine the enthalpy for the following reaction, given A# (NH3(g)) = -46.1 kJ/mol, AH (NO(g) = +90.3 kJ/mol, and A (H20(g)) = -241.8 kJ/mol. 4NH3(g) + 502(g) →4NO(g) + 6H20(g) AHrxn = ? kJ -1274 kJ/mol -1,996 kJ/mol +1,274 kJ/mol -905.2 kJ/mol -105.4 kJ/molarrow_forward1. The enthalpy changes of the following reactions Can be measured: Co H. (g) + 7/2 Q₂ (g) → 2 CO₂ (g) + 3 H ₂ O ( ) соно A₁ H° = - 1428.7 KJ/mol-rxn f C₂ H ₂ OH (g) + 3 Q₂ (g) →) 2 CO₂ (g) + 3 H ₂ O (g) Arto= ° = -1277 kJ/mol-rxn a Use these values and Hess's law to determine the for the reaction. ½/2 C ₂ H 6 (g) + ½z O₂ (g) → C₂ H₂ OH (g) en On thalpy chang ks/mol-cox Enthalpy Change = 000 20 * LANCEELarrow_forwardThe standard enthalpy change for the following reaction is -135 kJ at 298 K. 1/2 N2(g) + 1/2 H2(g) + 3/2 O2(g) HNO3(g)       ΔH° = -135 kJ What is the standard enthalpy change for the reaction at 298 K? N2(g) + H2(g) + 3 O2(g)2 HNO3(g) kJarrow_forward
• Calculate the change in enthalpy of the following reaction. ΔH (Fe3O4) = -1120.9 kJ ΔH (Al2O3) = -1669.8 kJ  8Al(s) + 3Fe3O4(s) -> 4Al2O3(s) + 9 Fe(sarrow_forward（1）Consider the reaction: 2A (g) + 3 B (g) → 2 C (g)     ΔHrxn = +254.3 kJ What will be the enthalpy change (in kJ) if 0.471 mol B reacts in excess A?   （2）Consider the reaction: C (s) + O2 (g) → CO2 (g)     ΔHrxn = -393.5 kJ What mass of carbon (in g) must be reacted via this mechanism to release 581.2 kJ of heat?arrow_forwardConsider the following balanced reaction: 2 H2S(g) + 3 O2(g) → 2 H2O(l) + 2 SO2(g)          ΔHrxn = -1124.0 kJ Calculate the enthalpy of formation (in kJ/mol) for H2S(g). Given: The standard enthalpies of formations (ΔHof) of H2O(l) and SO2(g) are -285.8 kJ/mol and -296.8 kJ/mol, respectively. IMPORTANT: Enter both the sign and the value (no units), using 1 decimal place (e.g. -999.9) Consider the following balanced reaction: 2 H2S(g) + 3 O2(g) → 2 H2O(l) + 2 SO2(g)          ΔHrxn = -1124.0 kJ Calculate the enthalpy of formation (in kJ/mol) for H2S(g). Given: The standard enthalpies of formations (ΔHof) of H2O(l) and SO2(g) are -285.8 kJ/mol and -296.8 kJ/mol, respectively. IMPORTANT: Enter both the sign and the value (no units), using 1 decimal place (e.g. -999.9)arrow_forward
• Given the standard enthalpy changes for the following two reactions: (1) 2Pb(s) + O₂(g) → 2PbO(s) (2) 2Zn(s) + O₂(g) → 2ZnO(s) Standard enthalpy change = AH-434.6 kJ AH° -696.6 kJ What is the standard enthalpy change for the following reaction? (3) PbO(s) + Zn(s) → Pb(s) + ZnO(s) AH° = ? KJ =arrow_forward

arrow_back_iosarrow_forward_iosRecommended textbooks for youarrow_back_iosarrow_forward_ios

• ChemistryChemistryISBN:9781305957404Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCostePublisher:Cengage LearningChemistryChemistryISBN:9781259911156Author:Raymond Chang Dr., Jason Overby ProfessorPublisher:McGraw-Hill EducationPrinciples of Instrumental AnalysisChemistryISBN:9781305577213Author:Douglas A. Skoog, F. James Holler, Stanley R. CrouchPublisher:Cengage Learning
• Organic ChemistryChemistryISBN:9780078021558Author:Janice Gorzynski Smith Dr.Publisher:McGraw-Hill EducationChemistry: Principles and ReactionsChemistryISBN:9781305079373Author:William L. Masterton, Cecile N. HurleyPublisher:Cengage LearningElementary Principles of Chemical Processes, Bind...ChemistryISBN:9781118431221Author:Richard M. Felder, Ronald W. Rousseau, Lisa G. BullardPublisher:WILEY

ChemistryChemistryISBN:9781305957404Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCostePublisher:Cengage LearningChemistryChemistryISBN:9781259911156Author:Raymond Chang Dr., Jason Overby ProfessorPublisher:McGraw-Hill EducationPrinciples of Instrumental AnalysisChemistryISBN:9781305577213Author:Douglas A. Skoog, F. James Holler, Stanley R. CrouchPublisher:Cengage LearningOrganic ChemistryChemistryISBN:9780078021558Author:Janice Gorzynski Smith Dr.Publisher:McGraw-Hill EducationChemistry: Principles and ReactionsChemistryISBN:9781305079373Author:William L. Masterton, Cecile N. HurleyPublisher:Cengage LearningElementary Principles of Chemical Processes, Bind...ChemistryISBN:9781118431221Author:Richard M. Felder, Ronald W. Rousseau, Lisa G. BullardPublisher:WILEYSEE MORE TEXTBOOKS