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lesya [120]
3 years ago
7

What are the 3 boundaries of discontinuity of the earths interior

Chemistry
1 answer:
enot [183]3 years ago
5 0
Core , mantle, and crust
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2 moles of a gas have a pressure of 2 atm at a temperature of 300 K. What is the volume of the gas?
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  • No of moles=2mol=n
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\\ \tt\hookrightarrow PV=nRT

\\ \tt\hookrightarrow V=\dfrac{nRT}{P}

\\ \tt\hookrightarrow V=\dfrac{2(8.314)(300)}{2}

\\ \tt\hookrightarrow V=8.314(300)

\\ \tt\hookrightarrow V=2494.2mL

\\ \tt\hookrightarrow V=24.94dm^3

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Check my answer?
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Yes that is correct because hypotheses should be testable meaning it can be proven wrong and it has to be reasonable meaning it should make sense. 
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