The entropy of an isolated system never changes
Indicate whether the statement is true or false
FALSE
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Stars are born from the interstellar medium, and aging or dying stars return gas and dust back into the interstellar medium
a. True b. False Indicate whether the statement is true or false
An amount of heat is added to ice, raising its temperature from ?10°C to ?5°C. A larger amount of heat is added to the same mass of liquid water, raising its temperature from 15°C to 20°C. From these results, we conclude that:
A. overcoming the latent heat of fusion of ice requires an input of energy B. the latent heat of fusion of ice delivers some energy to the system C. the specific heat of ice is less than that of water D. the specific heat of ice is greater than that of water
Your density is slightly greater when you are
A) at the top of a mountain. B) submerged deep in water. C) in a fast-moving vehicle. D) none of the above
When you scuff electrons from a carpet onto your shoes, you become
A) negatively charged. B) positively charged. C) polarized. D) ionized. E) neutralized.