You Have a 25-G Sample of a Metal and You

question 18

Multiple Choice

You have a 25-g sample of a metal and you would like to identify it.You are certain that the metal is either copper (specific heat = 0.093 cal/g·°C) , lead (specific heat = 0.031 cal/g·°C) , or aluminum (specific heat = 0.22 cal/g·°C) .You run an experiment in which you find that the metal absorbs 6.2 calories of heat when it increases in temperature from 25 °C to 33 °C.Which metal is it?

• A) copper
• B) lead
• C) iron
• D) a mixture of copper and lead
• E) It is not any of these metals.

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Definitions:

Physical Assessment

A comprehensive evaluation of a patient's physical condition, performed by a healthcare provider to detect any signs of disease or abnormalities.

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Health Promotion

Activities and lifestyle changes aimed at enhancing well-being and preventing diseases.

Tanning

The process of skin darkening in response to exposure to ultraviolet (UV) radiation, from sunlight or artificial sources.