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Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
ISBN: 9781337399425

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BuyFindarrow_forward

Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
ISBN: 9781337399425
Textbook Problem
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When ethanol (grain alcohol, Chapter 10, Problem 44QAP, When ethanol (grain alcohol, is burned in oxygen, approximately 1360 kJ of heat energy is released , example  1is burned in oxygen, approximately 1360 kJ of heat energy is released per mole of ethanol.

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  1. What quantity of heat is released for each gram of ethanol burned?

i>What is Chapter 10, Problem 44QAP, When ethanol (grain alcohol, is burned in oxygen, approximately 1360 kJ of heat energy is released , example  2for the reaction as written?

  • How much heat is released when sufficient ethanol is burned so as to produce 1 mole of water vapor?
  • Interpretation Introduction

    (a)

    Interpretation:

    Calculate the heat produced when a specific amount of ethanol.

    Concept Introduction:

    Convert the number of moles for the provided mass of ethanol then calculate the heat produced per mole.

    Explanation

    Calculate heat produced for 1.00 g of ethanol as follows:

    1.00gCH3CH2OH×1molCH3CH2OH46

    Interpretation Introduction

    (b)

    Interpretation:

    Understand what sign for exothermic reaction and endothermic reaction.

    Concept Introduction:

    In case the system absorbs heat, the process is endothermic reaction

    Incase the system evolves heat, the process is exothermic reaction.

    Interpretation Introduction

    (c)

    Interpretation:

    Calculate the heat produced when a specific amount of water.

    Concept Introduction:

    Use the number of moles involved in the provide reaction then calculate heat released for 1 mole of water.

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