Venus is known for its very high surface temperatures, caused by a huge greenhouse gas effect....

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Physics

Venus is known for its very high surface temperatures, caused bya huge greenhouse gas effect. However, atmospheric density, surfacetemperature and surface pressure are also very different fromEarth’s due to a different atmospheric composition AND much greaterdepth. The pressure at the surface is 92 x Earth’s (it is 101,000Pa on Earth), due to the presence of a dense atmosphere with adepth of 20 km to the top of its troposphere (ignoring the impactof very thin gases above the troposphere, just like on Earth). Thesurface temperature averages 460o C. The mix of gases in theVenusian atmosphere is 96.5% CO2, 3.5% N2. R, Universal gasconstant = 8.314 Jmol-1 K-1 . Based on the above information andknowing how to find the atmosphere’s density, calculate g, theacceleration due to gravity on Venus (note: this is NOT a time touse Newton’s laws of gravity!).

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