Chemistry Chapter 6 Quiz
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Questions and Answers

What best describes the role of a catalyst in a chemical reaction?

  • It prevents any reaction from occurring.
  • It lowers the activation energy and speeds up the reaction. (correct)
  • It alters the products formed in a reaction.
  • It increases the activation energy required.
  • Which of the following statements about exothermic reactions is correct?

  • The products have higher energy than the reactants.
  • They occur spontaneously without any energy change.
  • They release energy to the surroundings. (correct)
  • They absorb energy from the surroundings.
  • What does Le Chatelier's principle state regarding equilibrium systems?

  • Equilibrium can only be disturbed by temperature changes.
  • Pressure changes will only affect solid and liquid equilibria.
  • Concentration changes have no effect on equilibrium systems.
  • A system at equilibrium will change to minimize the effects of changes in temperature, pressure, or concentration. (correct)
  • Which of the following factors does NOT affect the rate of a chemical reaction?

    <p>Age of the reactants</p> Signup and view all the answers

    What best defines an endothermic reaction?

    <p>It absorbs energy from its surroundings.</p> Signup and view all the answers

    Study Notes

    Inman's Review of Dietetics 2022

    • Presented by Jean Inman, MBA, RD, LD
    • New England Center for Nutrition Education, Inc.
    • P.O. Box 735, Stoughton, MA 02072-0735
    • 508-583-6117
    • [email protected]
    • www.inmanassoc.com
    • Copyright © 2021 NECNE
    • All Rights Reserved

    Table of Contents

    • Instructions
    • Domain I: Principles of Dietetics
      • Food, Nutrition, and Supporting Sciences
        • Food Science, Composition of food
      • Education, Communication, and Technology
      • Research Applications
      • Nutrition Science
        • Principles of normal nutrition, human anatomy, physiology, biochemistry
        • Social determinants of health
    • Domain II: Nutrition Care for Individuals and Groups
      • Screening and Assessment
      • Diagnosis
      • Planning and Intervention
      • Monitoring and Evaluation
    • Domain III: Management of Food and Nutrition Programs and Services
      • Functions of management
      • Human Resource Management
      • Financial Management
      • Marketing and Public Relations
      • Quality Management and Regulatory Compliance
    • Domain IV: Foodservice Systems
      • Menu Development
      • Procurement, Production, Distribution and Service
      • Sanitation and Safety
      • Equipment and Facility Planning
    • Subjective Questions
    • Test-Taking Tips
    • Bibliography

    Instructions for Self-Study

    • This manual is to be used with enclosed recordings
    • Note-taking should be minimal
    • Email questions to [email protected]
    • Use sample test questions to identify areas for review
    • Memorize key formulas
    • Create a personalized study plan
    • Prioritize topics based on familiarity
    • Regularly review the material
    • Prepare well in advance of the exam
    • Manage test anxiety by preparing adequately

    Instructions for Self-Study (Page 3)

    • Follow the domain outline while listening to recordings
    • Email questions to [email protected].
    • Focus on understanding material over memorization
    • Practice applying knowledge in subjective questions
    • Review the materials for each domain.
    • Assess your understanding at the end of each page.

    Domain I: Principles of Dietetics - Food Science (Page 4)

    • Fruits and Vegetables
      • Nutritive value and structure
        • 75-93% water, carbohydrates, minerals, vitamins (C, A, some B)
        • Crispness is due to osmotic pressure
      • Ripening and storage
        • Chemical changes due to enzymes (starch to sugar to pectic acid)
        • Ethylene gas accelerates ripening
        • Storage methods vary by fruit type
      • Pigments
        • Chlorophyll (green) - affected by pH
        • Carotenoids (yellow, orange) - less affected by pH
        • Anthocyanins (red, blue, purple) - greatly affected by pH
        • Anthoxanthins/flavones (colorless/white to yellow) - affected by pH

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    Description

    Test your knowledge on key concepts of Chapter 6 in Chemistry, focusing on catalysts, exothermic and endothermic reactions, and equilibrium systems. This quiz will challenge your understanding of how various factors affect chemical reactions.

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