The heat of vaporization AH, of benzene (CH) is 44.3 kJ/mol. Calculate the change in entropy AS when 79. g of benzene condenses at 80.1 °C.Be sure your answer contains a unit symbol and the correct number of significant digits.Px10Save For LaterSubiCheck2022 McGraw Hill LLC. All Rights Reserved. Terms of UsePrivacy CenEPICMANENF9F10F11tB1PescaltoptionQAF1N2329F2SXHcommandㅁㅁ#3EF3DXWe***DOODOD54$CF4R70F?%501)VF5TGMacBook ProF66BY881&7HF7UN* 008JF8M9KH0Lcommandopt

Answered: Image /qna-images/answer/d35f2aea-6f77-4851-bd23-727eb1248387.jpg

The heat of vaporization AH, of benzene (CH) is 44.3 kJ/mol. Calculate the change in entropy AS when 79. g of benzene condenses at 80.1 °C. Be sure your answer contains a unit symbol and the correct number of significant digits. 0 H x10 X S

The heat of vaporization AH, of benzene (CH) is 44.3 kJ/mol. Calculate the change in entropy AS when 79. g of benzene condenses at 80.1 °C. Be sure your answer contains a unit symbol and the correct number of significant digits. 0 H x10 X S

Principles of Modern Chemistry

8th Edition

ISBN:9781305079113

Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Chapter13: Spontaneous Processes And Thermodynamic Equilibrium

Section: Chapter Questions

Problem 20P

See similar textbooks

Related questions

Q: Calculate the entropy change of the universe (J/mol-K) when the entropy change of the system is 75.4…

Q: The heat of vaporization AH, of methanol (CH;OH) is 35.3 kJ/mol. Calculate th

A: If vapourisation of methanol CH3OH(l) ⇔ CH3OH(g) △Hv = 35.3 KJ/mol then…

Q: What is that the entropy change of the universe (J/mol-K) when the entropy change of the system is…

Q: The heat of vaporization AH, of ethanol (CH3CH₂OH) is 38.6 kJ/mol. Calculate the change in entropy…

Q: When 20.3 mL of 0.500 M H2SO4 is added to 20.3 mL of 1.00 M KOH in a coffee-cup calorimeter at…

A: The chemical reaction that occurs between the given substances is a neutralization reaction as shown…

Q: When 11.9 g of barium bromide (BaBr2) is dissolved in 107 g of water in a styrofoam calorimeter of…

Q: Two gaseous pollutants that are found in auto exhaust are CO and NO. One way to eliminate these is…

A: The standard enthalpy change in the system explains the heat transferred in a system or the heat…

Q: Hydrogen cyanide is a highly poisonous, volatile liquid. Determine the ΔH for the reaction that…

A: Hess's Law of Constant Heat Summation: If a reaction occurs in multiple stages or steps, the total…

Q: Calculate the change in entropy that occurs in the system when 54.0 g of acetone (C3H6O) vaporizes…

Q: 50.0 mL of 1.00 M HCl(aq) and 100.0 mL of 1.00 M NaOH(aq), both at 25.0oC, are added together in a…

A: Total volume of the solution, (V) = (50 + 100) mL = 150 mL. The density of the solution, d = 1 g/mL.…

Q: A 0.502 g sample of liquid C6H12 was combusted using excess oxygen gas inside a bomb calorimeter,…

Q: Consider the thermochemical equation for the combustion of ethyl alcohol: C2H5OH(l) + 3O2(g) --->…

Q: Find ΔH for the combustion of ethanol (C2H6O) to carbon dioxide and liquid water from the following…

A: First calculate the change in temperature. Calculate the heat of bomb calorimeter is as follows,

Q: Find ΔH, q, w, and ΔE for the freezing of water at−19.10 °C. The specific heat of ice is 2.087 Jg·°C…

A: Given:Specific heat of ice= 2.087 J go CHeat of fusion= -333.6 J/g.

Q: In a bomb calorimeter, 6.251 g of propane gas was ignited in the presence of excess oxygen gas to…

A: For any chemical reaction, the enthalpy is considered as the state function that is it depends on…

Q: For the reaction 4HCI(g) + O2(g)→2H2O(g) + 2Cl2(g) AH° = -114.4 kJ and AS° = -128.9 J/K The maximum…

A: The reaction given is, Given: ΔHo = -114.4 KJ Temperature = 311 K And ΔSo…

Q: The heat of vaporization AH, of methanol (CH,OH) is 35.3 kJ/mol. Calculate the change in entropy AS…

Q: A 80.0 mL sample of 0.300 M aqueous hydrochloric acid is added to 80.0 mL of 0.300 M aqueous ammonia…

A: The objective of this question is to calculate the enthalpy change (ΔrH) per mole of HCl and NH3…

Q: A critical reaction in the production of energy to do work or drive chemical reactions in biological…

Q: Calculate ΔSº for the reaction using the data table provided. NH3(g) + HCl(g) → NH4Cl(s) ΔSº =…

Q: A 25.0-L volume of an ideal gas in a cylinder with a piston is at a pressure of 2.8 atm. Enough…

A: It is mentioned that the gas expands at constant temperature.

Q: The heat of vaporization AH, of propane (C3Hg) is 19.4 kJ/mol. Calculate the change in entropy AS…

A: For vaporization: Change is entropy = enthalpy of vapourization ÷ Boiling pointChange in entropy =…

Q: Calculate the change in entropy that occurs in the system when 40.7 g of acetone (C3 H6O) vaporizes…

A: entropy change calculation during the process of vaporization:

Q: Solid potassium fluoride is dissolved in water in a perfect calorimeter. When 10.00 grams of…

A: In this question we have to calculate ΔHº for the reaction below KF (s) ➝ K+ (aq) + F – (aq)…

Q: true? Select one: Exothermic processes decrease the entropy of the surroundings. The standard molar…

A: We will pick Correct statement

Q: The heat of fusion AH, of methanol (CH,OH) is 3.16 kJ/mol. Calculate the change in entropy AS when…

A: Heat of fusion of ethanol = 3.16 KJ /molweight of ethanol = 23 gMelting temp. = -98.0 °C…

Q: The reaction of ammonia(g) with oxygen(g) to form nitrogen monoxide(g) and water(g) proceeds as…

A: Given that 3.47 g ammonia reacts with oxygen to give nitrogen monoxide. Number of moles of ammonia…

Q: A 50.0 mL sample of 0.150 M aqueous hydrochloric acid is added to 50.0 mL of 0.150 M aqueous ammonia…

A: we have to calculate ΔrH per mole of HCl and NH3 reacted for the given reaction

Q: You have a cup of cold coffee and you placed it in a microwave oven to heat it until it boils.…

A: We know; U = the internal energy of the system, a state function; q = heat; w = thermodynamic…

Q: The molar enthalpy change for the neutralization reaction: HCl(aq)+NaOH(aq)⟶NaCl(aq)+H2O(l) is ΔrH°…

Q: In the following experiment, solid CaCl2 (M = 110.98 g/mol) is dissolved in water: CaCl2(s) →…

A: Answer:Law of conservation of energy states that energy cannot be created nor destroyed, it can only…

Q: A 0.576 g sample of liquid C5H12 was combusted using excess oxygen gas inside a bomb calorimeter,…

A: Given, mass of the sample is 0.576 g of liquid C5H12 Heat capacity of calorimeter is 4.957 Kj/°c…

Q: The heat of vaporization AH, of ethanol (CH,CH,OH) is 38.6 kJ/mol. Calculate the change in entropy…

A: Ethanol condenses at 78.4 degrees C and heat of vaporization, is 38.6 kJ/mol. We know during phase…

Q: Calculate the change in entropy

Q: A 0.588 g sample of liquid C5H12 was combusted using excess oxygen gas inside a bomb calorimeter,…

A: Explanation The heat of reaction, ΔrU is calculated as: ΔrU = ΔU / n Where ΔU is the change in…

Q: TRUE OR FALSE 1. It is more convenient to use change in enthalpy, ΔH, as a criterion of…

A: 1. enthalpy and entropy can not be used alone as a spontaneity criterion. Thus, statement one is…

Q: 1.6 g sample of acetic acid (HC2H3O2) was burned in excess oxygen in a bomb calorimeter. The…

Q: Suppose 9.44 g of calcium chloride, CaCl2, (MM=111.0 g/mol) is added to 222. g water at 21.84oC in a…

Q: Methanol, CH3OH , is formed from methane and water in a two‑step process. Step 1:…

Question

The heat of vaporization AH, of benzene (CH) is 44.3 kJ/mol. Calculate the change in entropy AS when 79. g of benzene condenses at 80.1 °C.
Be sure your answer contains a unit symbol and the correct number of significant digits.
P
x10
Save For Later
Subi
Check
2022 McGraw Hill LLC. All Rights Reserved. Terms of Use
Privacy Cen
EPIC
MANEN
F9
F10
F11
t
B
1
P
esc
alt
option
Q
A
F1
N
2
3
29
F2
S
X
H
command
ㅁㅁ
#3
E
F3
D
X
We
***
DOO
DOD
54
$
C
F4
R
70
F
?
%
5
01)
V
F5
T
G
MacBook Pro
F6
6
B
Y
881
&
7
H
F7
U
N
* 00
8
J
F8
M
9
K
H
0
L
command
opt

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need 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 questions

A key component in many chemical engineering designs is the separation of mixtures of chemicals. (a) What happens to the entropy of the system when a chemical mixture is separated? (b) Are designs for chemical separation more likely to rely on spontaneous or nonspontaneous processes?
2. Which of the following is true for a spontaneous process but not for a nonspontaneous process? Energy in the universe is concentrated conserved dispersed not conserved
What are the two ways that a final chemical state of a system can be more probable than its initial state?
Explain why the statement No process is 100 efficient is not the best statement of the second law of thermodynamics.
An ideal gas expands isothermally (at constant temperature). The internal energy of an ideal gas remains constant during an isothermal change. If q is 76 J, what are U and w?
Natural gas is mostly CH4. When it burns, the chemical reaction is CH4 g 2O2 g CO2 g 2H2O g The H of combustion of one mole of CH4 at 25.0 C is -890.9 kJ. Calculate q, w, and U under these conditions, assuming an external pressure of 1.07 atm.
What is the second law of thermodynamics? For any process, there are four possible sign combinations for Ssys and Ssurr. Which sign combination(s) always give a spontaneous process? Which sign combination(s) always give a non-spontaneous process? Which sign combination(s) may or may not give a spontaneous process?
It takes 2260 J to vaporize a gram of liquid water to steam at its normal boiling point of 100C. What is H for this process?What is the work, given that the water vaporexpands against a pressure of 0.988atm? What is U for thisprocess?
10.101 Fluorine reacts with liquid water to form gaseous hydrogen fluoride and oxygen. (a) Write a balanced chemical equation for this reaction. (b) Use tabulated data to determine the free energy change for the reaction and comment on its spontaneity. (c) Use tabulated data to calculate the enthalpy change of the reaction. (d) Determine how much heat flows and in what direction when 34.5 g of fluorine gas is bubbled through excess water.
Enthalpy changes often help predict whether or not a process will be spontaneous. What type of reaction is more likely to be spontaneous: an exothermic or an endothermic one? Provide two examples that support your assertion and one counterexample.
The standard molar entropy of methanol vapor, CH3OH(g), is 239.8 J K1 mol-1. (a) Calculate the entropy change for the vaporization of 1 mol methanol (use data from Table 16.1 or Appendix J). (b) Calculate the enthalpy of vaporization of methanol, assuming that rS doesnt depend on temperature and taking the boiling point of methanol to be 64.6C.
A 220-ft3 sample of gas at standard temperature and pressure is compressed into a cylinder, where it exerts pressure of 2000 psi. Calculate the work (in J) performed when this gas expands isothermally against an opposing pressure of 1.0 atm. (The amount of work that can be done is equivalent to the destructive force of about 1/4 lb of dynamite, giving you an idea of how potentially destructive compressed gas cylinders can be if improperly handled!)