In Indiana Jones and the Last Crusade, Indiana Jones is searching for the Holy G

Question

In Indiana Jones and the Last Crusade, Indiana Jones is searching for the Holy Grail, which is a cup, plate, or dish that Jesus used at the Last Supper, and it supposedly has miraculous powers. In the movie, after entering the grail chamber, Indiana Jones is faced with the problem of finding the correct cup, which is made up of brass, from at least 200 cups. Using the theories from this experiment, how could you help Indiana Jones pick the correct cup? Out of the following choices, which met would heat up the fastest? Gold, iron, copper, or silver. Explain your choice.

Explanation / Answer

3. Theories from which experiment?

4. To heat up any atom/metal the main parameter required is the specific heat. It is the amount of Heat energy per unit mass required to raise the temperature by one degree C. The symbol is cp and can be expressed in many ways like kJ/(kg K), kcal/(kg C), Btu/(lbm F), etc.

Now,

For Gold , Iron, Copper and Silver the respective specific heat capacities are,

Gold - 0.031 Kcal/Kg*C
Silver - 0.057 Kcal/Kg*C
Copper - 0.092 Kcal/Kg*C
Iron - .108 Kcal/Kg*C

Thus, Gold has the lowest specific heat capacity rating of 0.031 Kcal/Kg*C and will be heated fast.

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