# Questions tagged [gas]

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### How does the partial pressure of oxygen relate to its concentration in water?

I've read that the partial pressure of oxygen in water will be the same as the partial pressure of oxygen in the atmosphere, but that the saturation of oxygen in water is dependent on factors like ...
• 223
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### How is it possible that natural gas fields are so deep?

How is it possible that gas is stored kilometers deep? Where does all the material on top come from? If new plankton would create more gas, would the new gas be at similar depth in a few 100 million ...
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1 vote
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### How long to breathe (the equivalent) of all of the atmosphere?

I have done some rough calculations of how long it might take humanity: approx 80,000 years (that's taking Earth's population as 7.5 billion, 11,000 litres a day of breathing per person, the weight of ...
• 366
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### What would happend in distant future if we didn't extract fossil fuels

I'm sorry if that is stupid question. Geology is not my thing, but I'm curios about this. Let's assume that mankind has never extracted fossil fuels (or existed in the first place) and for millions ...
• 133
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### What is the most important source of natural gas? Coal, oil or other?

By heat and pressure, both coal and oil can produce gas. But what is the most important substance for gas? Is there a relation to the amounts of marine organism (sea life) which died and the amount of ...
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### Does Xenon really covalently bond to oxygen within quartz?

Wikipedia's Xenon; occurrence and production says Within the Solar System, the nucleon fraction of xenon is $\small\mathsf{1.56 \times 10^{-8}}$, for an abundance of approximately one part in 630 ...
• 6,792
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### Are plastics a carbon sink and how much carbon is released to the atmosphere making them?

If we were to make some technical jump to renewable fuel and renewable energy, would making plastics from oil release green house gasses, how much, and would plastic function as a carbon sink? Sorry ...
2k views

### How do I convert kg·kg⁻¹ to ppbV (parts per billion volume)?

I am using the CAMS model output data to figure out the ground level ozone at a particular place. It is given in mass mixing ratio, and I want to convert to parts per billion volume mixing ratio (...
521 views

### How high is too high for hydrogen to rise?

If hydrogen is the lightest gas known, would it rise making the outermost part of the atmosphere mostly hydrogen? Images to associate with your answer would be much appreciated. Thanks
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### Why air do not suffer density stratification of its gaseous components?

The different gases that make up the air have different densities. So, naively, one would expect the heavier gasses to pool in the lower atmosphere and the light ones at the top. I asked myself this ...
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### How much gasoline in cubic meters is used per day? [closed]

Many of us drive a car, trucks get driven each day and many other machines use gasoline as well. This gets pumped out of our earth continuously, making earth bit by bit more hallow. Not a real ...
247 views

### How do we calculate an average temperature for the air above a specific point from weather data?

I'm doing a school project on cosmic rays (using data from the HiSPARC database), and we need to be able to calculate the average temperature of the atmosphere above specific cities on a specific date ...
991 views

### Why is helium only found in wells mixed with natural gas?

Does all commercially available helium come from natural gas wells? Is it theoretically possible to have a pure helium well? Helium is produced by the radioactive decay of primordial uranium and ...
568 views

### Are there gases from the Earth useful to generate electricity besides "natural gas"?

Natural gas: ...is a naturally occurring hydrocarbon gas mixture consisting primarily of methane, but commonly including varying amounts of other higher alkanes, and sometimes a small percentage of ...
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### What is a "show" in petroleum geology?

Is a show when naturally ocurring oil seeps out of a fracture on the surface? Or is it when engineers fracture rocks in order to extract oil?
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### How can oil can escape from a shale source rock into a reservoir rock?

How can oil can escape from a shale source rock into a reservoir rock if the shale itself is impermeable?
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### What "g" would be needed to keep helium on Earth?

I know that helium is a very light and rare gas on Earth because Earths gravity is not strong enough to keep it. Instead, helium and hydrogen are rising through the atmosphere and escape into outer ...
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### Gases that are nearly transparent to solar AND thermal radiation?

I've been curious about if there are any gases in the atmosphere that are nearly transparent to both solar and thermal radiation. CO2 for instance is nearly transparent to solar radiation but is ...
• 151
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### What would happen if magma flows into a very large oil deposit?

If there were an earthquake that somehow cause a crack in the earth and allowed a significant amount of magma to flow into a very large oil deposit. With that high amount of explosive energy that ...
• 161
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### Is there a 'standard size' for volcanic eruptions in terms of gas output?

We saw recently the Iceland volcano Eyjafjallajökull produced significant gaseous output that impacted the flight paths of several planes. When we look at volcanic gas components, we see they ...
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### What is meant by Global-warming Potential (GWP)?

I was under the impression GWP (global-warming potential) is the measure of a gas' impact on global warming, in comparison with CO2. E.g. methane has a GWP of 86 over 20 years - Wikipedia Comparing ...
• 133
106 views

### What is the ratio of infra-red light absorbed by green house gases?

I know that some gases like CO2, N2O and CH4 absorb infra red radiation. What is the proportion or percentage of radiation absorbed by CO2 among all the gases?
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### Are clouds a gas, liquid, and/or solid?

Are clouds a solid, liquid, or gas? I have been looking online and they are often described ambiguously as a "mass". For instance, from NASA: A cloud is a mass of water drops or ice crystals ...
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### What's it like inside a natural gas cavern on Earth?

I suppose natural gas underground caverns on Earth have substantial volume and gas is in gaseous form there. As such I wonder how it would look like inside such cavern (with artificial light of ...
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### The differences in gases produced by asteroids impacting crystalline and sedimentary rocks

A second question inspired from How Long Will Life Last On Earth, The Manicouagan crater in Canada is one of the largest impact crater on Earth. It was created 215 million years ago, but its ...
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### Has a reduction in car use ever had an effect on the ozone layer?

Has there ever been an incident in the U.S. where because of high gas prices people have driven their cars a lot less than usual for, say, many months, and after appropriate measurements it was ...
• 587
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### Regarding various types of atmospheric pollution

Does all the car pollution (from about 150 million cars at least in the U.S. and a lot more in all of North America and the rest of the world) all the smoke-stack pollution of various factories and ...
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### How much methane clathrates are buried in continental deposits?

Methane clathrates are solid clathrate compound (more specifically, a clathrate hydrate) in which a large amount of methane is trapped within a crystal structure of water, forming a solid similar ...
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### How did helium deposits form?

I always wondered, because helium gas is so lightweight, how did it get into the deposits like the ones that people tap? Is it formed underground, or was it trapped?
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