Principles of General Organic & Biological Chemistry
Principles of General Organic & Biological Chemistry
2nd Edition
ISBN: 9780077633721
Author: Janice Smith
Publisher: Mcgraw-hill Higher Education (us)
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Chapter 4, Problem 4.69AP

(a)

Interpretation Introduction

Interpretation:

The heat is absorbed or released when 100g of ice is melted has to be given.

Concept Introduction:

Endothermic Reactions:

The endothermic process is a term that describes a reaction where the system absorbs the energy from its surrounding in the form of heat.  Few examples of endothermic process is photosynthesis, evaporating liquids, melting ice.

Exothermic reaction:

The exothermic reaction is the opposite of an endothermic reaction.  It releases energy by light or heat to its surrounding.  Few examples are neutralization, burning a substance, reactions of fuels, deposition of dry ice, respiration.

(b)

Interpretation Introduction

Interpretation:

The heat is absorbed or released when freezing of 25g water has to be given.

Concept Introduction:

Refer to part (a).

(c)

Interpretation Introduction

Interpretation:

The heat is absorbed or released when condensing 20g of stream has to be given.

Concept Introduction:

Refer to part (a).

(d)

Interpretation Introduction

Interpretation:

The heat is absorbed or released when vaporizing 30g of water has to be given.

Concept Introduction:

Refer to part (a).

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Students have asked these similar questions
Indicate whether heat is absorbed or released in each process. a. melting 100 g of ice b. freezing 25 g of water c. condensing 20 g of steam d. vaporizing 30 g of water
What property of water explains why water inside the tiny cracks in rocks helps the latter break when it freezes? a. Water has a high boiling point b. Water has a high surface tension c. Water has a greater volume in its solid state d. Water has a high heat of vaporization
27.What is latent heat of condensation?      A.the amount of heat released when a certain mass of a substance changes from a gas to a liquid   B.the amount of heat that is released when a certain mass of a substance changes from a liquid to a gas     C.the amount of heat that is released when a certain volume of a substance changes from a liquid to a gas     D.the amount of energy required to raise the temperature of a certain mass of a liquid as it changes from a liquid to a gas

Chapter 4 Solutions

Principles of General Organic & Biological Chemistry

Ch. 4.3 - Which of the compounds in each pair has stronger...Ch. 4.4 - Prob. 4.12PCh. 4.4 - Prob. 4.13PCh. 4.5 - A student has two containers one with 10 g of...Ch. 4.5 - Prob. 4.15PCh. 4.5 - How much energy is required to heat 28.0 g of iron...Ch. 4.5 - Prob. 4.17PCh. 4.5 - Prob. 4.18PCh. 4.5 - Prob. 4.19PCh. 4.6 - Prob. 4.20PCh. 4.6 - Prob. 4.21PCh. 4.6 - Label each process as endothermic or exothermic...Ch. 4.6 - Prob. 4.23PCh. 4.7 - Answer the following questions about the graph. a....Ch. 4.7 - Prob. 4.25PCh. 4.7 - If the cooling curve in Figure 4.5 represented a...Ch. 4.7 - How much energy (in calories) is released when...Ch. 4.7 - Prob. 4.28PCh. 4 - What phase change is shown in the accompanying...Ch. 4 - What phase change is shown in the accompanying...Ch. 4 - Consider the cooling curve drawn below. a. Which...Ch. 4 - Which line segments on the cooling curve in...Ch. 4 - Prob. 4.33UKCCh. 4 - Prob. 4.34UKCCh. 4 - Prob. 4.35UKCCh. 4 - Prob. 4.36UKCCh. 4 - Prob. 4.37UKCCh. 4 - Prob. 4.38UKCCh. 4 - Prob. 4.39APCh. 4 - Prob. 4.40APCh. 4 - Prob. 4.41APCh. 4 - Prob. 4.49APCh. 4 - Prob. 4.50APCh. 4 - Prob. 4.54APCh. 4 - Prob. 4.55APCh. 4 - Prob. 4.56APCh. 4 - Prob. 4.57APCh. 4 - Prob. 4.58APCh. 4 - Prob. 4.59APCh. 4 - Prob. 4.60APCh. 4 - Prob. 4.61APCh. 4 - Prob. 4.62APCh. 4 - Prob. 4.63APCh. 4 - Prob. 4.64APCh. 4 - Prob. 4.65APCh. 4 - Prob. 4.66APCh. 4 - Prob. 4.67APCh. 4 - Prob. 4.68APCh. 4 - Prob. 4.69APCh. 4 - Prob. 4.70APCh. 4 - Prob. 4.71APCh. 4 - Prob. 4.72APCh. 4 - Prob. 4.73APCh. 4 - Prob. 4.74APCh. 4 - Prob. 4.75APCh. 4 - Prob. 4.76APCh. 4 - Prob. 4.77APCh. 4 - Prob. 4.78APCh. 4 - Prob. 4.79APCh. 4 - Why does steam form when hot lava falls into the...Ch. 4 - Prob. 4.81APCh. 4 - Prob. 4.82AP
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