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a gas held in a 4.0 balloon has a pressure of 0.50 atm at a temperature of -30 C. what would the volume of the balloon be at STP
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About 3% of the water on earth is freshest. only about 40% of that freshwater is available for human use. why is so much freshwater unavailable for human use?
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How might this scientific phenomena be explained? a paper clip floats on water.
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Insoluble sulfide compounds are generally black in color. which of the following combinations could yield a black precipitate? check all that apply. na2s(aq)+kcl(aq) li2s(aq)+pb(no3)2(aq) pb(clo3)2(aq)+nano3(aq) agno3(aq)+kcl(aq) k2s(aq)+sn(no3)4(aq)
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a gas held in a 4.0 balloon has a pressure of 0.50 atm at a temperature of -30 C. what would the vol...
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