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18. Which of the following are requirements for something to be a physical property?
A. The property can be observed without changing the identity of the substance.
B. The property depends on the amount of the substance present.
C. The state of the substance changes when you measure the property.
D. The property can be observed or measured.
Answers: 3
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Silver tarnishes as silver metal reacts with hydrogen sulfide, h2s, in the air. in this reaction, dark silver sulfide, au2s, covers the surface of silver. when silver is polished, this coating of silver sulfide can be removed from the surface. this makes the silver shiny again. enter the coefficients that balance the tarnishing reaction equation. (type 1 for no coefficient.)
Answers: 2
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What effect might melting sea ice have for people who live in coastal areas?
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Which of these conditions most likely produces an unstable isotope?
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What is the volume of 3.2 moles of chlorine gas (cl2) at 295 k and 1.1 atm?
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18. Which of the following are requirements for something to be a physical p...
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