Interpretation:
The value of
Concept Introduction:
The enthalpy of reaction is calculated by the expression as
Here,
Answer to Problem 38QP
Solution:
The
The
Explanation of Solution
a)
The value of
The value of
The value of
The value of
Here,
Substitute
b)
The value of
The value of
The value of
The value of
Here,
Substitute
The value of
Want to see more full solutions like this?
Chapter 23 Solutions
Chemistry
- Calculate the standard enthalpy of formation of NaHCO3(s) given the following information:ΔfH°[ CO2(g) ] = −393.41 kJ mol-1, ΔfH° [ NaOH(s) ] = −425.61 kJ mol-1ΔrxnH°[NaOH(s) + CO2(g) ⟶ NaHCO3(s) ] = −127.5 kJ mol-1 Construct a diagram depicting ΔrxnH° of the above reaction and the standard enthalpies of formation of the associated products and reactants.arrow_forwardWhat is the molecularity of the following reaction?CH4(g) + 2O2(g) → CO2(g) + 2H2O(g)arrow_forwardplease explain how to balance and predict the reaction: (CH2)2 (CH)4(L) + O(G)=?arrow_forward
- One of the steps for refining silver involves converting silver into dicyanoargenate(I) ions: 4Ag(s) + 8CN−(aq) + O2(g) + 2H2O(l) ⟶ 4[Ag(CN)2]−(aq) + 4OH−(aq)Explain why oxygen must be present to carry out the reaction. Why does the reaction not occur as: 4Ag(s) + 8CN−(aq) ⟶ 4[Ag(CN)2−(aq)?arrow_forwardCalculate ∆o for [Co(H2O)6]2+ in units of kJ.arrow_forwardHeptacarbon octahydride is an effective gasoline additive. In the presence of oxygen gas (and a spark), it undergoes complete combustion. (a) Write the balanced equation for this reaction. Identify the oxidizing agent and reducing agent.arrow_forward
- Describe the reaction Cu(OH)2 (s) + Heat →arrow_forwardThe molecular weight of sperm whale myoglobin is 17.8 kDa.17.8 kDa. The myoglobin content of sperm whale muscle is about 80 g · kg−1.80 g · kg−1. In contrast, the myoglobin content of some human muscles is about 8 g · kg−1.8 g · kg−1. Compare the amounts of O2O2 bound to myoglobin in human muscle and in sperm whale muscle. Assume that the myoglobin is saturated with O2,O2, and that the molecular weights of human and sperm whale myoglobin are the same. How much O2O2 is bound to myoglobin in human muscle? How much O2O2 is bound to myoglobin in whale muscle? The amount of oxygen dissolved in tissue water at 37°C37°C is about 3.5×10−5 M.3.5×10−5 M. What is the ratio of myoglobin‑bound oxygen to dissolved oxygen in the tissue water of sperm whale muscle?arrow_forwardWould you expect potassium perchlorate, KClO4(aq), in a concentrated acidic solution to act as an oxidizing agent or as a reducing agent?arrow_forward
- Given the thermodynamic data in the table below, calculate the equilibrium constant (at 298 K) for the reaction: 2 SO2 (g) + O2 (g) --> 2 SO3 (g)arrow_forwardWhat is the enthalpy when 65.0 g of Cu2O is oxidized to CuO?2 Cu2O(s) + O2(g) --> 4 CuO dH = -288 kJ/molarrow_forwardRegarding the following equation: KClO3 → KCl + O2 What type (classification) of chemical reaction is this?arrow_forward
- Chemistry & Chemical ReactivityChemistryISBN:9781133949640Author:John C. Kotz, Paul M. Treichel, John Townsend, David TreichelPublisher:Cengage LearningChemistry & Chemical ReactivityChemistryISBN:9781337399074Author:John C. Kotz, Paul M. Treichel, John Townsend, David TreichelPublisher:Cengage LearningChemistry: The Molecular ScienceChemistryISBN:9781285199047Author:John W. Moore, Conrad L. StanitskiPublisher:Cengage Learning