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Questions tagged [gas-phase-chemistry]

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3
votes
1answer
49 views

Predicting pressure inside a container based on temperature

I'm a mathematician and computer scientist, and for this particular problem I would benefit from some chemical expertise. Suppose I fill a container up with some liquid propane. I believe this is ...
0
votes
1answer
28 views

How to calculate dew point of air-water system

I want to calculate the maximum water holding capacity of air at a given temperature (as in $\frac{max\ mass\ of\ water}{mass\ of\ dry\ air} $ vs temperature) I looked up online and there are ...
3
votes
2answers
119 views

What does the reaction of hydrogen and iodine to hydrogen iodide look like?

The reaction, $\ce{H2 + I2 <=> HI}$ is often used as an example for equilibrium reactions. It is however a difficult reaction to show in a school laboratory: we are not equipped to work with ...
0
votes
2answers
85 views

Rate law equation - orders?

Consider the following reaction: $$\ce{2 H2 (g) + 2 NO (g) -> N2 (g) + 2 H2O (g)}$$ The elementary steps of this reaction are: $$ \begin{align} &1^\text{st}~\text{step:} &\ce{...
-2
votes
1answer
62 views

Is there an element with no liquid state? [closed]

I know this question might be dumb but, is there an element that will go directly from solid to gas, with almost no visible or no liquid state? Just a random curious question.
-3
votes
2answers
69 views

A confusion regarding gases [closed]

A gas molecule is not affected by the gravity and can move anywhere in the confined atmosphere; yet Earth's atmosphere as a whole is retained by the same gravity. To make a simili i can move my hand ...
1
vote
0answers
27 views

Other than ultracold lithium gas, are any ferromagnetic or magnetic gasses known or hypothesized?

I'm dealing with an interactive work of fiction right now, and one proposal is to combine two types of puzzles with a magnetic gas. I know that fermionic $\ce{^6Li}$, when cooled below $\pu{1 K}$, has ...
-1
votes
1answer
55 views

Water vapour pressure in oxygen gas bubble

Suppose we have a source of O$_2$ bubble formation in water at specific nucleation sites, how can we estimate the water vapour pressure inside the O$_2$ bubbles? I know that: (1): $p_\mathrm{O_2}+...
1
vote
1answer
24 views

Gas solution - State of matter

When a gas is dissolved in water does the state of gas changes ? We write it as aqueous but what is the state that exists ? does it has the properties of gases when it is dilluted ?
-3
votes
1answer
24 views

Gaseous States and Laws [closed]

What are the factors on which the value of the Boyle temperature depends? And if the Boyle temperature depends on the pressure, then why? As at the Boyle temperature a real gas becomes ideal, it ...
1
vote
2answers
38 views

Is there a metal for which its gas is necessarily a plasma?

Related to this question: Gaseous metals? The top answer clarifies that even with metals, the gaseous state is distinct from a plasma. However, my question is, is this actually true in all cases? Or ...
9
votes
1answer
2k views

Gaseous metals?

Metals form metallic bonds which explain many of their chemical and physical properties. This is most familiar in the solid state but metallic properties are still quite recognizable in the liquid ...
2
votes
0answers
44 views

Feasibility of application of Boyle's law in the case of varying number of moles [closed]

While reading up on ideal gases and the Boyle's law, I encountered a question in my textbook wherein a balloon was being filled with helium (assumed to be ideal) till it was just about to burst. The ...
0
votes
2answers
65 views

Is the %V/V composition defined for homogeneous mixtures? [duplicate]

Why do major websites such as NASA and Wikipedia discuss the composition of the earth's atmosphere in terms of percentage by volume instead of percentage by amount of substance? Isn't the percentage ...
1
vote
0answers
93 views

Barking dog reaction mechanism

Liebig's blue devil or the "barking dog" reaction is the gas phase oxidation of carbon disulfide with either nitrous oxide or nitric oxide. What are the gas phase reaction steps in this reaction, I ...
1
vote
2answers
310 views

How does Le Chatelier's principle apply to a gas phase reaction at constant volume?

This reaction is given in my book and the direction of shift of reaction on addition of $\ce{CO}$ and removal of $\ce{CO2}$ at constant volume is asked. $$\ce{2CO(g) + O2(g) ⇌ 2CO2(g) + \Delta H}$$ If ...