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Thermal Properties of Matter Test - 49

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Thermal Properties of Matter Test - 49
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  • Question 1
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    The coefficient of the volume expansion of a liquid is 49 × 10–5 K–1. Calculate the fractional change in its density when the temperature is raised by 30o
    Solution

  • Question 2
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    When vapour condense into liquid
  • Question 3
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    At NTP water boils at 100oC. Deep down the mine, water will boil at a temperature
  • Question 4
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    If specific heat of a substance is infinite, it means
    Solution

  • Question 5
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    A gas in an airtight container is heated from 25oC to 90oC. The density of the gas will
  • Question 6
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    A quantity of heat required to change the unit mass of a solid substance, from solid state to liquid state, while the temperature remains constant, is known as
  • Question 7
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    The latent heat of vaporization of a substance is always
  • Question 8
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    The factor not needed to calculate heat lost or gained when there is no change of state is
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  • Question 9
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    540 g of ice at 0oC is mixed 540 g of water at 80oC. The final temperature of the mixture is
    Solution

  • Question 10
    4 / -1
    How much heat energy is gained when 5 kg of water at 20oC is brought to its boiling point?
    (Specific heat of water = 4.2 × kJ kg–1C–1)
    Solution

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