Comparison of Glass Thermometers
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Questions and Answers

What is a common feature between the two thermometers described in the text?

  • Containing mercury in the bulbs (correct)
  • Being made of plastic
  • Having Fahrenheit scale
  • Having digital displays
  • What distinguishes the two thermometers from other types of thermometers?

  • Having a bulb at one end (correct)
  • Containing alcohol in the bulbs
  • Using a Fahrenheit scale
  • Being made of glass
  • Why is glass used in making both thermometers according to the text?

  • To make them lightweight
  • To ensure accurate temperature readings (correct)
  • To allow easy calibration
  • To make them unbreakable
  • Which type of bank specializes in providing financial services to corporations and governments?

    <p>Investment banks</p> Signup and view all the answers

    What is a key function of central banks as described in the text?

    <p>Setting monetary policy</p> Signup and view all the answers

    Which service is NOT typically provided by retail banks?

    <p>Offering investment advice</p> Signup and view all the answers

    What distinguishes commercial banks from investment banks based on the text?

    <p>Lending money to individuals and businesses</p> Signup and view all the answers

    Why is it recommended to paint the outer walls of houses white in hot climates?

    <p>White color reflects most of the heat incident on it</p> Signup and view all the answers

    Why does wearing more layers of clothing during winter keep us warmer?

    <p>Air gets trapped between layers, acting as an insulator</p> Signup and view all the answers

    Which statement best describes the effect of air on heat conduction?

    <p>Air traps and slows down heat conduction</p> Signup and view all the answers

    Which process transfers heat in the scenario of a cold steel spoon being dipped in hot milk?

    <p>Conduction</p> Signup and view all the answers

    What is the term used to describe the reaction HA ⇌ H+ + A−?

    <p>Protolysis reaction</p> Signup and view all the answers

    In the generalized reaction scheme HA+ ⇌ H+ + A, what is the role of HA+?

    <p>Charged species</p> Signup and view all the answers

    What does the acid dissociation constant Ka represent in the context of acid–base reactions?

    <p>Ratio of product concentrations to reactant concentration</p> Signup and view all the answers

    Which process interconverts acid–base conjugate pairs by adding or removing a proton?

    <p>Protonation</p> Signup and view all the answers

    What does the equilibrium constant K express in a solution?

    <p>Ratio of products to reactants</p> Signup and view all the answers

    In a titration curve for a diprotic acid, what occurs at the second equivalence point?

    <p>All hydrogen ions are titrated</p> Signup and view all the answers

    What is the significance of the buffer regions in a titration curve for a diprotic acid?

    <p>They consist of the acid and its conjugate base</p> Signup and view all the answers

    How do stronger acids differ from weaker acids in terms of pKa values?

    <p>Stronger acids have lower pKa values</p> Signup and view all the answers

    What is the purpose of using an indicator in an acid-base titration?

    <p>To change color at a specific pH</p> Signup and view all the answers

    When titrating a weak diprotic acid with a strong base, why must the second equivalence point occur at a pH above 7?

    <p>Due to the hydrolysis of the salts formed</p> Signup and view all the answers

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