10. A substance has the following properties: Melting point = -8.000°C Boiling point = 72.00°C Specific heat capacity of gas = 12.41 J/g°C Specific heat capacity of liquid = 3.97 J/g°C Specific heat of solid = 1.05 J/g°C AHfus 124 kJ/mol AHvap = 329 kJ/mol Molar mass = 147.4 g/mol How much heat is required to heat 225 g of the substance from -10.05°C to gas at 75.00°C?

10. A substance has the following properties: Melting point = -8.000°C Boiling point = 72.00°C Specific heat capacity of gas = 12.41 J/g°C Specific heat capacity of liquid = 3.97 J/g°C Specific heat of solid = 1.05 J/g°C AHfus 124 kJ/mol AHvap = 329 kJ/mol Molar mass = 147.4 g/mol How much heat is required to heat 225 g of the substance from -10.05°C to gas at 75.00°C?

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Concept explainers

States of Matter

The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).

Chemical Reactions and Equations

When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.

Question

10. A substance has the following properties:
Melting point = -8.000°C
Boiling point = 72.00°C
Specific heat capacity of gas = 12.41 J/g °C
Specific heat capacity of liquid = 3.97 J/g°C
Specific heat of solid = 1.05 J/g °C
AHfus = 124 kJ/mol
AHvap = 329 kJ/mol
Molar mass = 147.4 g/mol
How much heat is required to heat 225 g of the substance from -10.05°C to gas at 75.00°C?

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Step 1: Phase changes takg place in the process

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Step 2: Conversion of the solid substance at -10.05oC to -8.00oC

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Step 3: Conversion of the solid substance at -8.00oC to the liquid substance at -8.00oC

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Step 4: Conversion of the liquid substance at -8.00oC to the liquid at 72.00oC

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Step 5: Conversion of the liquid substance at 72.00oC to the gaseous substance at 72.00oC

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Step 6: Conversion of the gaseous substance at 72.00oC to the gaseous substance at 75.00oC

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