Concept explainers
(a)
Interpretation:
The reaction enthalpy for the given reaction has to be calculated.
The given reaction is,
(a)
Answer to Problem 4E.5E
The reaction enthalpy for the given reaction is
Explanation of Solution
The given reaction is,
In the reactant side, the bond enthalpy of
The bond enthalpy of
The bond enthalpy of
The total bond enthalpy is
The total bond enthalpy in reactant side is
In the product side, the bond enthalpy of
The bond enthalpy of
The bond enthalpy of
The total bond enthalpy is
The total bond enthalpy in product side is
Negative sign indicates the bonds are broken.
The reactant enthalpy is,
(b)
Interpretation:
The reaction enthalpy for the given reaction has to be calculated.
The given reaction is,
(b)
Answer to Problem 4E.5E
The reaction enthalpy for the given reaction is
Explanation of Solution
The given reaction is,
In the reactant side,
The bond enthalpy of
The bond enthalpy of
The total bond enthalpy is
The total bond enthalpy in the reactant side is
In the product side,
The bond enthalpy of
The bond enthalpy of
The total bond enthalpy is
The total bond enthalpy in the product side is
Negative sign indicates the bonds are broken.
The reactant enthalpy is,
The reaction enthalpy for the given reaction is
(c)
Interpretation:
The reaction enthalpy for the given reaction has to be calculated.
The given reaction is,
(c)
Answer to Problem 4E.5E
The reaction enthalpy for the given reaction is
Explanation of Solution
The given reaction is,
In the reactant side,
The bond enthalpy of
The bond enthalpy of
The bond enthalpy of
The bond enthalpy of
The total bond enthalpy is
The total bond enthalpy in the reactant side is
In the product side,
The bond enthalpy of
The bond enthalpy of
The bond enthalpy of
The bond enthalpy of
The bond enthalpy of
The bond enthalpy of
The total bond enthalpy is
The total bond enthalpy in the product side is
Negative sign indicates the bonds are broken.
The reactant enthalpy is,
The reaction enthalpy for the given reaction is
Want to see more full solutions like this?
Chapter 4 Solutions
EBK CHEMICAL PRINCIPLES
- In a coffee-cup calorimeter, 1.60 g NH4NO3 is mixed with 75.0 g water at an initial temperature of 25.00C. After dissolution of the salt, the final temperature of the calorimeter contents is 23.34C. Assuming the solution has a heat capacity of 4.18 J/C g and assuming no heat loss to the calorimeter, calculate the enthalpy change for the dissolution of NH4NO3 in units of kJ/mol.arrow_forwardThe enthalpy of combustion of diamond is -395.4 kJ/mol. C s, dia O2 g CO2 g Determine the fH of C s, dia.arrow_forwardThe enthalpy change for the following reaction is 393.5 kJ. C(s,graphite)+O2(g)CO2(g) (a) Is energy released from or absorbed by the system in this reaction? (b) What quantities of reactants and products are assumed? (c) Predict the enthalpy change observed when 3.00 g carbon burns in an excess of oxygen.arrow_forward
- The thermochemical equation for the burning of methane, the main component of natural gas, is CH4(g)+2O2(g)CO2(g)+2H2O(l)H=890kJ (a) Is this reaction endothermic or exothermic? (b) What quantities of reactants and products are assumed if H = 890 kJ? (c) What is the enthalpy change when 1.00 g methane burns in an excess of oxygen?arrow_forwardA 1.00 mol sample of H2 is carefully warmed from 22 K to 40 K at constant volume. a What is the expected heat capacity of the hydrogen? b What is q for the process?arrow_forwardAlthough the gas used in an oxyacetylene torch (Figure 5.7) is essentially pure acetylene, the heat produced by combustion of one mole of acetylene in such a torch is likely not equal to the enthalpy of combustion of acetylene listed in Table 5.2. Considering the conditions for which the tabulated data are reported, suggest an explanation.arrow_forward
- Chemistry: The Molecular ScienceChemistryISBN:9781285199047Author:John W. Moore, Conrad L. StanitskiPublisher:Cengage LearningChemistry: Matter and ChangeChemistryISBN:9780078746376Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl WistromPublisher:Glencoe/McGraw-Hill School Pub CoChemistry: Principles and PracticeChemistryISBN:9780534420123Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward MercerPublisher:Cengage Learning
- Physical ChemistryChemistryISBN:9781133958437Author:Ball, David W. (david Warren), BAER, TomasPublisher:Wadsworth Cengage Learning,Chemistry by OpenStax (2015-05-04)ChemistryISBN:9781938168390Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark BlaserPublisher:OpenStaxChemistryChemistryISBN:9781305957404Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCostePublisher:Cengage Learning