Explanation Given Specific heat of the solution is 4.18 J/g-°C . Initial temperature of the solution is 23.0 °C . Final temperature of the solution is 34.1 °C . Volume of solution is 100 mL . Mass of magnesium is 0.243 g . Change in temperature is calculated as, Δ T = T f − T i Where, Δ T is the change in temperature. T f is the final temperature of the solution. T i is the initial temperature of the solution. Substitute the values of T f and T i in the above formula. Δ T = 34.1 °C − 23.0 °C = 11.1 °C As the given reaction happens in aqueous medium, density of solution is considered to be 1 g/mL . Mass of the solution is calculated as, m = d × V Where, m is the mass of solution. d is the density of solution. V is the volume of solution. Substitute the values of d and V in the above formula. m = 1 g/mL × 100 mL = 100 g The heat absorbed or released by the given reaction is calculated as, q rxn = − C S × m × Δ T Where, q rxn is the amount of heat absorbed or released by the reaction. C s is the specific heat. m is the mass of solution. Δ T is the change in temperature of the solution. Substitute the values of C s , m and Δ T in the above equation. q rxn = − 4

Chemistry: The Central Science (13th Edition)

13th Edition

ISBN: 9780321910417

Author: Theodore E. Brown, H. Eugene LeMay, Bruce E. Bursten, Catherine Murphy, Patrick Woodward, Matthew E. Stoltzfus

Publisher: PEARSON

See similar textbooks

Concept explainers

Ideal and Real Gases

Ideal gases obey conditions of the general gas laws under all states of pressure and temperature. Ideal gases are also named perfect gases. The attributes of ideal gases are as follows,

Gas Laws

Gas laws describe the ways in which volume, temperature, pressure, and other conditions correlate when matter is in a gaseous state. The very first observations about the physical properties of gases was made by Robert Boyle in 1662. Later discoveries we…

Gaseous State

It is well known that matter exists in different forms in our surroundings. There are five known states of matter, such as solids, gases, liquids, plasma and Bose-Einstein condensate. The last two are known newly in the recent days. Thus, the detailed fo…

Question

Chapter 5.5, Problem 5.7.1PE

Interpretation Introduction

To determine:

The value of ΔH in kJ/mol for the given reaction.

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Chapter 5.5, Problem 5.6.2PE

Chapter 5.5, Problem 5.7.2PE

Students have asked these similar questions

Part 4: Provide a detailed retrosynthetic analysis and a plausible forward synthesis the following molecule. храдо of

3A: Starting with benzocyclobutene, synthesize the naphthalene derivative below.

7. The addition of HBr to 2,5-dimethyl-2,4-heptadiene gives the same product, A, at both low and high temperatures. Provide the structure of A and explain the kinetic and thermodynamic product are the same in this reaction. HBr -78°C or 60°C A

Chapter 5 Solutions

Chemistry: The Central Science (13th Edition)

Ch. 5.2 - Prob. 5.1.1PE Ch. 5.2 - Prob. 5.1.2PE Ch. 5.3 - Prob. 5.2.1PE Ch. 5.3 - Prob. 5.2.2PE Ch. 5.3 - Prob. 5.3.1PE Ch. 5.3 - Prob. 5.3.2PE Ch. 5.4 - Prob. 5.4.1PE Ch. 5.4 - Prob. 5.4.2PE Ch. 5.5 - Prob. 5.5.1PE Ch. 5.5 - Prob. 5.5.2PE

Ch. 5.5 - Practice Exercise 1 Suppose you have equal masses...Ch. 5.5 - Prob. 5.6.2PE Ch. 5.5 - Prob. 5.7.1PE Ch. 5.5 - Prob. 5.7.2PE Ch. 5.6 - Prob. 5.8.1PE Ch. 5.6 - Prob. 5.8.2PE Ch. 5.6 - Prob. 5.9.1PE Ch. 5.6 - Prob. 5.9.2PE Ch. 5.7 - Prob. 5.10.1PE Ch. 5.7 - Prob. 5.10.2PE Ch. 5.7 - Prob. 5.11.1PE Ch. 5.7 - Prob. 5.11.2PE Ch. 5.7 - Prob. 5.12.1PE Ch. 5.7 - Practice Exercise 2 Use Table 5.3 to calculate the...Ch. 5.8 - Prob. 5.13.1PE Ch. 5.8 - Practice Exercise 2 Given the following standard...Ch. 5.8 - Prob. 5.14.1PE Ch. 5.8 - Prob. 5.14.2PE Ch. 5 - Prob. 1DE Ch. 5 - Prob. 1E Ch. 5 - Prob. 2E Ch. 5 - Prob. 3E Ch. 5 - Practice Exercise 2 Using Table 20.1, rank...Ch. 5 - Prob. 5E Ch. 5 - Prob. 6E Ch. 5 - Prob. 7E Ch. 5 - Prob. 8E Ch. 5 - Prob. 9E Ch. 5 - Prob. 10E Ch. 5 - Prob. 11E Ch. 5 - Prob. 12E Ch. 5 - Prob. 13E Ch. 5 - Prob. 14E Ch. 5 - Prob. 15E Ch. 5 - Prob. 16E Ch. 5 - Prob. 17E Ch. 5 - Prob. 18E Ch. 5 - Prob. 19E Ch. 5 - Prob. 20E Ch. 5 - Prob. 21E Ch. 5 - Prob. 22E Ch. 5 - Prob. 23E Ch. 5 - Prob. 24E Ch. 5 - Prob. 25E Ch. 5 - Prob. 26E Ch. 5 - Prob. 27E Ch. 5 - In chemical kinetics, the entropy of activation is...Ch. 5 - Prob. 29E Ch. 5 - Prob. 30E Ch. 5 - Prob. 31E Ch. 5 - The following data compare the standard enthalpies...Ch. 5 - Prob. 33E Ch. 5 - Prob. 34E Ch. 5 - Prob. 35E Ch. 5 - What is the reducing agent in the following...Ch. 5 - Prob. 37E Ch. 5 - Prob. 38E Ch. 5 - Prob. 39E Ch. 5 - Prob. 40E Ch. 5 - Prob. 41E Ch. 5 - Prob. 42E Ch. 5 - Prob. 43E Ch. 5 - The standard cell potential is 1.46 V for a...Ch. 5 - Prob. 45E Ch. 5 - Prob. 46E Ch. 5 - Prob. 47E Ch. 5 - Prob. 48E Ch. 5 - Prob. 49E Ch. 5 - Practice Exercise 1 Which of the following...Ch. 5 - Prob. 51E Ch. 5 - Prob. 52E Ch. 5 - Prob. 53E Ch. 5 - Prob. 54E Ch. 5 - Prob. 55E Ch. 5 - Prob. 56E Ch. 5 - Prob. 57E Ch. 5 - Prob. 58E Ch. 5 - Prob. 59E Ch. 5 - Prob. 60E Ch. 5 - What is the connection between Hess’s law and the...Ch. 5 - Prob. 62E Ch. 5 - 20.2 You may have heard that “antioxidants” are...Ch. 5 - Prob. 64E Ch. 5 - Prob. 65E Ch. 5 - Prob. 66E Ch. 5 - Prob. 67E Ch. 5 - Prob. 68E Ch. 5 - Prob. 69E Ch. 5 - Prob. 70E Ch. 5 - Prob. 71E Ch. 5 - Prob. 72E Ch. 5 - 20.13 What is meant by the term oxidation? On...Ch. 5 - Prob. 74E Ch. 5 - Prob. 75E Ch. 5 - Prob. 76E Ch. 5 - Prob. 77E Ch. 5 - Prob. 78E Ch. 5 - Prob. 79E Ch. 5 - Prob. 80E Ch. 5 - Prob. 81E Ch. 5 - Prob. 82E Ch. 5 - Prob. 83E Ch. 5 - Prob. 84E Ch. 5 - Prob. 85E Ch. 5 - The heat of combustion of ethanol, C2H5OH(l) is...Ch. 5 - Prob. 87E Ch. 5 - Prob. 88E Ch. 5 - Prob. 89E Ch. 5 - The automobile fuel called E85 consists of 85%...Ch. 5 - Prob. 91AE Ch. 5 - Prob. 92AE Ch. 5 - Prob. 93AE Ch. 5 - Prob. 94AE Ch. 5 - 5.95 Consider a system consisting of the following...Ch. 5 - A sample of gas is contained in a...Ch. 5 - Prob. 97AE Ch. 5 - Prob. 98AE Ch. 5 - A house is designed to have passive solar energy...Ch. 5 - Prob. 100AE Ch. 5 - Prob. 101AE Ch. 5 - Prob. 102AE Ch. 5 - Burning methane in oxygen can produce three...Ch. 5 - Prob. 104AE Ch. 5 - Prob. 105AE Ch. 5 - The hydrocarbons acetylene (C2H2) and benzene...Ch. 5 - Prob. 107AE Ch. 5 - Three common hydrocarbons that contain four...Ch. 5 - Prob. 109AE Ch. 5 - The Sun supplies about 1.0 kilowatt of energy for...Ch. 5 - It is estimated that the net amount of carbon...Ch. 5 - Prob. 112IE Ch. 5 - Prob. 113IE Ch. 5 - Prob. 114IE Ch. 5 - Prob. 115IE Ch. 5 - Prob. 116IE Ch. 5 - Prob. 117IE Ch. 5 - The methane molecule, CH4, has the geometry shown...Ch. 5 - Prob. 119IE

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.

The value of Δ H in kJ/mol for the given reaction.

Concept explainers

To determine: The value of ΔH in kJ/mol for the given reaction.

Want to see the full answer?

Chapter 5 Solutions

To determine:

The value of ΔH in kJ/mol for the given reaction.