Heating Curves Practice

Last updated about 3 years ago
20 questions
The heating curve shown below is a plot of temperature vs time. It represents the heating of substance X at a constant rate of heat transfer. Answer the following questions using this heating curve:
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In what part of the curve would substance X be a gas?

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In what part of the curve would substance X be a solid?

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In what part of the curve would substance X be a liquid?

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. What part of the curve represents a mixed solid/liquid phase of substance X?

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What part of the curve represents a mixed liquid/vapor (gas) phase of substance X?

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In what part of the curve is boiling occuring?

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In what part of the curve is melting occuring?

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In what parts of the curve is the temperature remaining constant? (Choose 2 answers)

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In what parts of the curve is the temperature increasing? (Choose 3 answers)

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In what parts of the curve would the particles be experiencing an increase in kinetic energy? (Choose 3 answers)

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In what parts of the graph is the heat energy being used to break the intermolecular attractive forces between the molecules of the substance? (Choose 2 answers)

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What is the boiling temperature of substance X?

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What is the melting temperature of substance X?

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In what part of the curve would the molecules of X have the highest kinetic energy?

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In what part of the curve would substance X have the greatest intermolecular forces of attraction?

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In what part of the curve would the molecules of X have the least kinetic energy?

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At 40 degrees Celsius, sustance X would be a ____________.

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At -15 degrees Celsius, sustance X would be a ____________.

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At 80 degrees Celsius, sustance X would be a ____________.

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In what part of the curve would the molecules of substance X be farthest apart?