A Thermally Isolated System Is Made Up of a Hot

question 20

Multiple Choice

A thermally isolated system is made up of a hot piece of aluminum and a cold piece of copper; the aluminum and the copper are in thermal contact.The specific heat of aluminum is more than double that of copper.Which object experiences the greater temperature change during the time the system takes to reach thermal equilibrium?

• A) The copper experiences a greater temperature change.
• B) The aluminum experiences a greater temperature change.
• C) Neither; both objects experience the same magnitude temperature change.
• D) It is impossible to tell without knowing the masses.
• E) It is impossible to tell without knowing the volumes.

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Definitions:

Trimethylamine

A nitrogen-containing organic compound with the formula N(CH3)3, known for its strong fishy odor and used in various industrial applications.

Mass Spectrum

A graph or chart that shows the distribution of mass-to-charge ratios of ions in a sample, which is used for determining the composition of the sample.

Nitrogen

A chemical element with symbol N and atomic number 7, essential for all living organisms and a major component of amino acids, proteins, and nucleic acids.

Molecular Ion

An ion formed by the removal or addition of an electron to a molecule during mass spectrometry.