LAB EXPERIMENTS FOR CHEM >C<
7th Edition
ISBN: 9781323912027
Author: Brown
Publisher: PEARSON C
expand_more
expand_more
format_list_bulleted
Videos
Question
Chapter 5, Problem 114AE
Interpretation Introduction
Interpretation: The molar enthalpy of combustion, fuel value and percentage of hydrogen by mass of the given hydrocarbons is to be calculated; also the relationship between hydrogen content and the fuel value is to be determined.
Concept Introduction: The molar enthalpy change of the given reaction is calculated by the difference of sum of the enthalpy change of products and reactants.
The fuel value of the given hydrocarbons is calculated by dividing its molar enthalpy of combustion by the molar mass.
The percentage hydrogen content of the hydrocarbon is calculated by dividing the molar mass of hydrogen in the given hydrocarbon by the molar mass of hydrocarbon and multiplying the resultant value by
(a)
To determine: The molar enthalpy of combustion for the given hydrocarbons.
Step 1:
Interpretation Introduction
To determine: The molar enthalpy of combustion of 1,3-butadiene.
Step 2:
Interpretation Introduction
To determine: The molar enthalpy of combustion of 1-butene.
Step 3:
Interpretation Introduction
To determine: The molar enthalpy of combustion of n-butane.
(b)
Interpretation Introduction
To determine: The fuel value of the given hydrocarbons.
Step 1:
Interpretation Introduction
To determine: The fuel value of 1,3-butadiene.
Step 2:
Interpretation Introduction
To determine: The fuel value of 1-butene.
Step 3:
Interpretation Introduction
To determine: The fuel value of n-butane.
(c)
Interpretation Introduction
To determine: The percentage of hydrogen by mass in the given hydrocarbons.
Step 1:
Interpretation Introduction
To determine: The percentage of hydrogen by mass of 1,3-butadiene.
Step 2:
Interpretation Introduction
To determine: The percentage of hydrogen by mass of 1-butene.
Step 3:
Interpretation Introduction
To determine: The percentage of hydrogen by mass of n-butane.
(d)
Interpretation Introduction
To determine: The relationship between hydrogen content and the fuel value of given hydrocarbons.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Five chemistry project topic that does not involve practical
Please correct answer and don't used hand raiting
Q2. Consider the hydrogenation of ethylene
C2H4 + H2 = C2H6
The heats of combustion and molar entropies for the three gases at 298 K are given by:
C2H4
C2H6
H2
AH comb/kJ mol¹
-1395
-1550
-243
Sº / J K¹ mol-1
220.7
230.4
131.1
The average heat capacity change, ACP, for the reaction over the temperature range 298-1000 K is
10.9 J K¹ mol¹. Using these data, determine:
(a) the standard enthalpy change at 800 K
(b) the standard entropy change at 800 K
(c) the equilibrium constant at 800 K.
Chapter 5 Solutions
LAB EXPERIMENTS FOR CHEM >C<
Ch. 5.2 - A mixture of gases A2 and B2 are introduced to a...Ch. 5.2 - Practice Exercise 2 Calculate the change in the...Ch. 5.3 - A solid sample of Zn(OH)2 is added to 0.350 L of...Ch. 5.3 -
Practice Exercise 2
Calculate the work, in J, if...Ch. 5.3 - Practice Exercise 1 A chemical reaction that gives...Ch. 5.3 - Prob. 5.3.2PECh. 5.4 - Prob. 5.4.1PECh. 5.4 - Prob. 5.4.2PECh. 5.5 - The coinage metals (Group 1B) copper, silver, and...Ch. 5.5 - Prob. 5.5.2PE
Ch. 5.5 - Practice Exercise 1 When 0.243 g of Mg metal is...Ch. 5.5 - Practical exercise 2 When 50.0 mL of 0.100MAgNO3...Ch. 5.5 - Prob. 5.7.1PECh. 5.5 - Practice Exercise 2 A 0.5865-g sample of lactic...Ch. 5.6 - Prob. 5.8.1PECh. 5.6 - Prob. 5.8.2PECh. 5.6 - Calculate H for the reaction C(s)+...Ch. 5.6 - Prob. 5.9.2PECh. 5.7 - Prob. 5.10.1PECh. 5.7 - Prob. 5.10.2PECh. 5.7 - Prob. 5.11.1PECh. 5.7 - Prob. 5.11.2PECh. 5.7 -
Practice Exercise 1
Given 2SO2(g) + 02(g) —>...Ch. 5.7 - Prob. 5.12.2PECh. 5.8 - Use the average bond enthalpies in Table 5.41to...Ch. 5.8 -
Use the average bond enthalpies in Table 5.4 to...Ch. 5.9 - Prob. 5.14.1PECh. 5.9 - Prob. 5.14.2PECh. 5 - One of the important ideas of thermodynamics is...Ch. 5 - Two positively charged spheres, each with a charge...Ch. 5 - SI The accompanying photo shows a pipevine...Ch. 5 - Consider the accompanying energy diagram. Does...Ch. 5 - The contents of the closed box in each of the...Ch. 5 - Imagine that you are climbing a mountain. Is the...Ch. 5 - The diagram shows four states of a system, each...Ch. 5 - You may have noticed that when you compress the...Ch. 5 - Imagine a container placed in a tub of water, as...Ch. 5 - In the accompanying cylinder diagram, a chemical...Ch. 5 - Prob. 10ECh. 5 - Consider the two diagrams that follow. Based on...Ch. 5 - Consider the conversion of compound A into...Ch. 5 - What is the electrostatic potential energy (in...Ch. 5 - What is the electrostatic potential energy (in...Ch. 5 - The electrostatic force (not energy) of attraction...Ch. 5 - Use the equations given in Problem 5.15 to...Ch. 5 - A sodium ion, Na+, with a charge of 1.6 x 10-19 C...Ch. 5 - A magnesium ion, Mg2+, with a charge of 3.2 x...Ch. 5 - Identify the force present and explain whether...Ch. 5 - Identify the force present and explain whether...Ch. 5 - Which of the following cannot leave or enter a...Ch. 5 - Prob. 22ECh. 5 - According to the first law of thermodynamics, what...Ch. 5 - Write an equation that expresses the first law of...Ch. 5 - Calculate AB and determine whether the process is...Ch. 5 - For the following processes, calculate the change...Ch. 5 - A gas is confined to a cylinder fitted with a...Ch. 5 - Consider a system consisting of two oppositely...Ch. 5 - What is meant by the term state function? Give an...Ch. 5 - Indicate which of the following is independent of...Ch. 5 - During a normal breath, our lungs expand about...Ch. 5 - How much work (in J) is involved in a chemical...Ch. 5 - Why is the change in enthalpy usually easier to...Ch. 5 - Under what condition will the enthalpy change of a...Ch. 5 - Assume that the following reaction occurs at...Ch. 5 - Suppose that the gas-phase reaction 2NO(g) + 02(g)...Ch. 5 - A gas is confined to a cylinder under constant...Ch. 5 - A gas is confined to a cylinder under constant...Ch. 5 - The complete combustion of ethanol, C2H5OH(l), to...Ch. 5 - The decomposition of Ca(OH)2(s) into CaO(s) and...Ch. 5 - Ozone, 03(9), is a form of elemental oxygen that...Ch. 5 -
5.42 Without referring to tables, predict which...Ch. 5 - Consider the following reaction: 2 Mg(s) + 02(g)2...Ch. 5 -
544 Consider the following reaction:
2...Ch. 5 - When solutions containing silver ions and chloride...Ch. 5 - At one time, a common means of forming small...Ch. 5 -
5.47 Consider the combustion of liquid methanol,...Ch. 5 -
5.48 Consider the decomposition of liquid...Ch. 5 - 5.49
a What are the units of molar heat...Ch. 5 - Two solid objects, A and B, are placed in boiling...Ch. 5 - What is the specific heat of liquid water? What is...Ch. 5 -
5.52
a. Which substance in Table 5.2 requires...Ch. 5 - The specific heat of octane, C8H18(l), is 2.22...Ch. 5 -
6.54 Consider the data about gold metal in...Ch. 5 - When a 6-50-g sample of solid sodium hydroxide...Ch. 5 -
5.56
a. When a 4 25-g sample of solid ammonium...Ch. 5 - A 2.200-g sample of quinone (C5H402) is burned in...Ch. 5 -
8.68 A 1.800-g sample of phenol (C6H5OH) was...Ch. 5 - Under constant-volume conditions, the heat of...Ch. 5 -
5.60 Under constant-volume conditions, the heat...Ch. 5 -
5.61 Can you use an approach similar to Hess's...Ch. 5 -
5.62 Consider the following hypothetical...Ch. 5 - Calculate the enthalpy change for the reaction...Ch. 5 - From the enthalpies of reaction calculate H for...Ch. 5 - From the enthalpies of reaction Calculate H for...Ch. 5 - Given the data use Hess's law to calculate H for...Ch. 5 -
5.67
What is meant by the term standard...Ch. 5 - S
5.68
What is the value of the standard enthalpy...Ch. 5 - For each of the following compounds, write a...Ch. 5 - Write balanced equations that describe the...Ch. 5 - The following is known as the thermite reaction:...Ch. 5 -
5.72 Many portable gas heaters and grills use...Ch. 5 - Using values from Appendix C , calculate the...Ch. 5 -
5.74 Using values from Appendix C, calculate the...Ch. 5 - Complete combustion of 1 mol of acetone (C2H6O)...Ch. 5 - Calcium carbide (CaC2) reacts with water to form...Ch. 5 -
5.77 Gasoline is composed primarily of...Ch. 5 - Prob. 78ECh. 5 - Ethanol (C2H5OH) is blended with gasoline as an...Ch. 5 -
5.80 Methanol (CH3OH) is used as a fuel in race...Ch. 5 -
5.81 Without doing any calculations, predict the...Ch. 5 -
5.82 Without doing any calculations, predict...Ch. 5 - Use bond enthalpies in Table 5.4 Q to estimate for...Ch. 5 - Use bond enthalpies in Table 5.40 to estimate for...Ch. 5 - Use enthalpies of formation given in Appendix C to...Ch. 5 -
5.86
The nitrogen atoms in an N2 molecule are...Ch. 5 -
5.87 Consider the reaction 2H(g) + O2(g) ...Ch. 5 -
5.88 Consider the reaction H2(g) + I2(s) ...Ch. 5 -
5.89
What is meant by the term fuel value?
Which...Ch. 5 -
5.90
Which releases the most energy when...Ch. 5 -
5.91
A serving of a particular ready-to-serve...Ch. 5 -
5.92 A pound of plain M&M® candies contains 96 g...Ch. 5 -
5.93 The heat of combustion of fructose,...Ch. 5 -
5.94 The heat of combustion of ethanol,...Ch. 5 -
5.95 The standard enthalpies of formation of...Ch. 5 -
5.98 It is interesting to compare the ‘fuel...Ch. 5 - At the end of 2012, global population was about...Ch. 5 -
5.98 The automobile fuel called E85 consists of...Ch. 5 - The air bags that provide protection in...Ch. 5 -
5.100 An aluminum can of a soft drink is placed...Ch. 5 -
5.101 Consider a system consisting of the...Ch. 5 - A sample of gas is contained in a...Ch. 5 - Limestone stalactites and stalagmites are formed...Ch. 5 - Consider the systems shown in Figure 5.10. In one...Ch. 5 -
5.105 A house is designed to have passive solar...Ch. 5 -
5.108 A coffee-cup calorimeter of the type shown...Ch. 5 -
5.107
When a 0.235-9 sample of benzoic acid is...Ch. 5 -
5.108 Meals-ready-to-eat (MREs) are military...Ch. 5 - 5.109 Burning methane in oxygen can produce three...Ch. 5 - Prob. 110AECh. 5 -
5.111 From the following data for three...Ch. 5 - The hydrocarbons acetylene (C2H2) and benzene...Ch. 5 - Ammonia (NH3) boils at -33 °C; at this temperature...Ch. 5 -
5.114 Three common hydrocarbons that contain four...Ch. 5 -
5.115 A 201-lb man decides to add to his exercise...Ch. 5 -
5.116 TheSun supplies about 1.0 kilowatt of...Ch. 5 -
5.117 Itis estimated that the net amount of...Ch. 5 -
5.118 At 20 °C (approximately room temperature)...Ch. 5 - Suppose an Olympic diver who weighs 52.0 kg...Ch. 5 -
5.120 Consider the combustion of a single...Ch. 5 -
5.121 Consider the following unbalanced...Ch. 5 - Consider the following acid-neutralization...Ch. 5 -
5.123 Consider two solutions, the first being...Ch. 5 - The precipitation reaction between AgNO3(aq) and...Ch. 5 -
5.125 A sample of a hydrocarbon is combusted...Ch. 5 -
5.126 The methane molecule, CH4, has the geometry...Ch. 5 -
5.127 One of the best-selling light, or...
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
- 13. (11pts total) Consider the arrows pointing at three different carbon-carbon bonds in the molecule depicted below. Bond B Bond A Bond C a. (2pts) Which bond between A-C is weakest? Which is strongest? Place answers in appropriate boxes. Weakest Bond Strongest Bond b. (4pts) Consider the relative stability of all cleavage products that form when bonds A, B, AND C are homolytically cleaved/broken. Hint: cleavage products of bonds A, B, and C are all carbon radicals. i. Which ONE cleavage product is the most stable? A condensed or bond line representation is fine. ii. Which ONE cleavage product is the least stable? A condensed or bond line representation is fine. c. (5pts) Use principles discussed in lecture, supported by relevant structures, to succinctly explain the why your part b (i) radical is more stable than your part b(ii) radical. Written explanation can be no more than one-two succinct sentence(s)! Googlearrow_forwardPrint Last Name, First Name Initial Statifically more chances to abstract one of these 6H 11. (10pts total) Consider the radical chlorination of 1,3-diethylcyclohexane depicted below. 4 4th total • 6H total 래 • 4H total 21 total ZH 2H Statistical H < 3° C-H weakest - product abstraction here bund leads to thermo favored a) (6pts) How many unique mono-chlorinated products can be formed and what are the structures for the thermodynamically and statistically favored products? Product 6 Number of Unique Mono-Chlorinated Products Thermodynamically Favored Product Statistically Favored Product b) (4pts) Draw the arrow pushing mechanism for the FIRST propagation step (p-1) for the formation of the thermodynamically favored product. Only draw the p-1 step. You do not need to include lone pairs of electrons. No enthalpy calculation necessary H H-Cl Waterfoxarrow_forward10. (5pts) Provide the complete arrow pushing mechanism for the chemical transformation → depicted below Use proper curved arrow notation that explicitly illustrates all bonds being broken, and all bonds formed in the transformation. Also, be sure to include all lone pairs and formal charges on all atoms involved in the flow of electrons. CH3O II HA H CH3O-H H ①arrow_forward
- Do the Lone Pairs get added bc its valence e's are a total of 6 for oxygen and that completes it or due to other reasons. How do we know the particular indication of such.arrow_forwardNGLISH b) Identify the bonds present in the molecule drawn (s) above. (break) State the function of the following equipments found in laboratory. Omka) a) Gas mask b) Fire extinguisher c) Safety glasses 4. 60cm³ of oxygen gas diffused through a porous hole in 50 seconds. How long w 80cm³ of sulphur(IV) oxide to diffuse through the same hole under the same conditions (S-32.0.0-16.0) (3 m 5. In an experiment, a piece of magnesium ribbon was cleaned with steel w clean magnesium ribbon was placed in a crucible and completely burnt in oxy cooling the product weighed 4.0g a) Explain why it is necessary to clean magnesium ribbon. Masterclass Holiday assignmen PB 2arrow_forwardHi!! Please provide a solution that is handwritten. Ensure all figures, reaction mechanisms (with arrows and lone pairs please!!), and structures are clearly drawn to illustrate the synthesis of the product as per the standards of a third year organic chemistry course. ****the solution must include all steps, mechanisms, and intermediate structures as required. Please hand-draw the mechanisms and structures to support your explanation. Don’t give me AI-generated diagrams or text-based explanations, no wordy explanations on how to draw the structures I need help with the exact mechanism hand drawn by you!!! I am reposting this—ensure all parts of the question are straightforward and clear or please let another expert handle it thanks!!arrow_forward
- In three dimensions, explain the concept of the velocity distribution function of particles within the kinetic theory of gases.arrow_forwardIn the kinetic theory of gases, explain the concept of the velocity distribution function of particles in space.arrow_forwardIn the kinetic theory of gases, explain the concept of the velocity distribution function of particles.arrow_forward
- Hi!! Please provide a solution that is handwritten. this is an inorganic chemistry question please answer accordindly!! its just one question with parts JUST ONE QUESTION with its parts spread out till part (g), please answer EACH part till the end and dont just provide wordy explanations wherever asked for structures, please DRAW DRAW them on a paper and post clearly!! answer the full question with all calculations step by step EACH PART CLEARLY please thanks!! im reposting this please solve all parts and drawit not just word explanations!!arrow_forwardHi!! Please provide a solution that is handwritten. this is an inorganic chemistry question please answer accordindly!! its just one question with parts JUST ONE QUESTION, please answer EACH part PART A AND PART B!!!!! till the end and dont just provide wordy explanations wherever asked for structures, please DRAW DRAW them on a paper and post clearly!! answer the full question with all details EACH PART CLEARLY please thanks!! im reposting this please solve all parts and drawit not just word explanations!!arrow_forwardHi!! Please provide a solution that is handwritten. this is an inorganic chemistry question please answer accordindly!! its just one question with parts JUST ONE QUESTION, please answer EACH part till the end and dont just provide wordy explanations wherever asked for structures, please DRAW DRAW them on a paper and post clearly!! answer the full question with all details EACH PART CLEARLY please thanks!! im reposting this please solve all parts and drawit not just word explanations!!arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
ChemistryChemistryISBN:9781305957404Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCostePublisher:Cengage Learning
ChemistryChemistryISBN:9781259911156Author:Raymond Chang Dr., Jason Overby ProfessorPublisher:McGraw-Hill Education
Principles 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 Education
Chemistry: Principles and ReactionsChemistryISBN:9781305079373Author:William L. Masterton, Cecile N. HurleyPublisher:Cengage Learning
Elementary Principles of Chemical Processes, Bind...ChemistryISBN:9781118431221Author:Richard M. Felder, Ronald W. Rousseau, Lisa G. BullardPublisher:WILEY
Chemistry
Chemistry
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Cengage Learning
Chemistry
Chemistry
ISBN:9781259911156
Author:Raymond Chang Dr., Jason Overby Professor
Publisher:McGraw-Hill Education
Principles of Instrumental Analysis
Chemistry
ISBN:9781305577213
Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:Cengage Learning
Organic Chemistry
Chemistry
ISBN:9780078021558
Author:Janice Gorzynski Smith Dr.
Publisher:McGraw-Hill Education
Chemistry: Principles and Reactions
Chemistry
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:Cengage Learning
Elementary Principles of Chemical Processes, Bind...
Chemistry
ISBN:9781118431221
Author:Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:WILEY
The Laws of Thermodynamics, Entropy, and Gibbs Free Energy; Author: Professor Dave Explains;https://www.youtube.com/watch?v=8N1BxHgsoOw;License: Standard YouTube License, CC-BY