UNDERSTANDING THE UNIVERSE(LL)-W/CODE
3rd Edition
ISBN: 9780393869903
Author: PALEN
Publisher: NORTON
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Chapter 7, Problem 24QAP
To determine
The reason for escaping of atmospheric molecules into space.
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The total mass of this planet's atmosphere may be higher than the Earth's but the gases present must be very lighter ones like hydrogen and helium.
The escape velocity of the planet will be very high.
Due to the high escape velocity, the light gases were not able to escape and hence forming a thick atmosphere
Would the atmosphere for this planet be thicker or thinner than that of the Earth?
What would be the pressure 20m under water in a lake on Mars if the acceleration due to gravity on Mars is 3.72 m/s2 ? Neglect the 0.006atm pressure of Mars atmosphere?
Atmospheric pressure on Earth at its surface is 101 KPa (101 kilopascals or 101,000 N/m2). Which of these statements is true?
If we pump out the gas in a closed container leaving only 1 billionth of the original gas there will still be more than 1010 (10 billion) atoms per cm3 in the container.
If we pump out the gas in a closed container leaving only 1 billionth of the original gas there will be fewer than 100 atoms per m3 in the container.
When we reduce the pressure in the container while keeping the temperature constant, the number of atoms per m3 must stay constant.
At 1 atmosphere, the number of atoms/m3 in air at room temperature is about 109, one billion atoms.
Chapter 7 Solutions
UNDERSTANDING THE UNIVERSE(LL)-W/CODE
Ch. 7.1 - Prob. 7.1CYUCh. 7.2 - Prob. 7.2CYUCh. 7.3 - Prob. 7.3CYUCh. 7.4 - Prob. 7.4CYUCh. 7.5 - Prob. 7.5CYUCh. 7 - Prob. 1QAPCh. 7 - Prob. 2QAPCh. 7 - Prob. 3QAPCh. 7 - Prob. 4QAPCh. 7 - Prob. 5QAP
Ch. 7 - Prob. 6QAPCh. 7 - Prob. 7QAPCh. 7 - Prob. 8QAPCh. 7 - Prob. 9QAPCh. 7 - Prob. 10QAPCh. 7 - Prob. 11QAPCh. 7 - Prob. 12QAPCh. 7 - Prob. 13QAPCh. 7 - Prob. 14QAPCh. 7 - Prob. 15QAPCh. 7 - Prob. 16QAPCh. 7 - Prob. 17QAPCh. 7 - Prob. 18QAPCh. 7 - Prob. 19QAPCh. 7 - Prob. 20QAPCh. 7 - Prob. 21QAPCh. 7 - Prob. 22QAPCh. 7 - Prob. 23QAPCh. 7 - Prob. 24QAPCh. 7 - Prob. 25QAPCh. 7 - Prob. 26QAPCh. 7 - Prob. 27QAPCh. 7 - Prob. 28QAPCh. 7 - Prob. 29QAPCh. 7 - Prob. 30QAPCh. 7 - Prob. 31QAPCh. 7 - Prob. 32QAPCh. 7 - Prob. 33QAPCh. 7 - Prob. 34QAPCh. 7 - Prob. 35QAPCh. 7 - Prob. 36QAPCh. 7 - Prob. 37QAPCh. 7 - Prob. 38QAPCh. 7 - Prob. 39QAPCh. 7 - Prob. 40QAPCh. 7 - Prob. 41QAPCh. 7 - Prob. 42QAPCh. 7 - Prob. 43QAPCh. 7 - Prob. 44QAPCh. 7 - Prob. 45QAP
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- If gas expands to fill all the space available to it, explain why the Earth's atmosphere doesn't drift off into space.arrow_forwardUse the heuristic that a planet will have lost a given molecule from its atmosphere of 4.5 Billion years if the average molecular speed exceeds % of the planet's escape speed to calculate what mercury's mass would have to be in order to it to still have a nitrogen atmosphere like earth's? The molecular weight of nitrogen is 28 atomic units.arrow_forwardEvidence exists that Mars may have had oceans 0.500 km deep in its early history. We don't know what the atmospheric pressure on Mars was back then, but some studies suggest it may have been as high as 50,000 Pa. What would have been the highest pressure at the bottom of these oceans? Density of water is 1000 kg/m³, gmars = 3.71 m/s².arrow_forward
- Grizzly the sentient magical leprechaun is doing some calculations to account for pressure and temperature changes as he climbs elevation when flying. Because he is from a magical place they use different units than us, but he needs your help with the math. If rooftop level pressure is 570. grassfield highs (GH) , and the temperature is 2.33 Money Chocolates (MC). what will the pressure be as he climbs and the temperature drops to 1.88 MC?arrow_forwardIn general what would be the most effective means for making the atmosphere more unstable? Warming the mid-levels (e.g., 500mb level) and cooling the surface. Cooling the mid-levels (e.g., 500mb level) and warming the surface. Warming both the mid-levels (e.g., 500mb level) and the surface. Cooling both the mid-levels (e.g., 500mb level) and the surface.arrow_forwardWhat is surface tension? What is its cause? Why is the surface tension also called surface energy?arrow_forward
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