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kotegsom [21]
2 years ago
7

What color are the stars on the diagram with the lowest surface temperatures?

Chemistry
1 answer:
Luba_88 [7]2 years ago
3 0

Answer:

red supergiants is the answer

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The molar mass of a certain gas is 80.6 g. What is the density of the gas in g/L at STP?
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Using the ideal gas equation:
PV = nRT

Substituting n with mass / Mr
PV = mRT/Mr

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So rearranging:
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P = 1 atm
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T = 273 K
Density = (1 x 80.6) / (0.082 x 273)
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