# Questions tagged [thermodynamics]

Covers the study of (mostly homogeneous) macroscopic systems from a heat/energy/entropy point of view. Consider also using tag: [statistical-mechanics].

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### Vapour-liquid equilibrium of solution [closed]

I have a bottle with a mix of propane and butane. The mix is partially liquid and partially vapour at room temperature. What's the pressure of it? I can get the vapour pressure of both gases ...
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### Can we enhance a thermal gradient by combining a dark surface and a shiny surface with an external glass layer?

I refer to the article at this site: http://solarcooking.wikia.com/wiki/Solar_Kettle-Thermos_Flask As we know, dark surfaces absorb radiation (eg. solar water heater), while shiny surfaces reflect ...
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### Kindling to make a fire

I know that rubbing stuff like dry grass or wood on firewood works to make a fire but why does it work? I think it is because the friction produces heat but then how come our hands don't get on fire ...
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### >50% Heat Engine + Heat pump [closed]

I know entropy rules force my statement to be FALSE. But anyway I haven't been able to find the problem in the statement. Suppose: We have a perfectly isolated cold reservoir at $T_c = 100 K$ We ...
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### Thermodynamic / Thermal Property

What is the definition for (i) Thermodynamic Property & (ii) Thermal Property? What are the subtle distinctions in the Thermodynamic Properties and Thermal Properties? ...
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### Does burning always produce a flame and if so why?

I have been looking at thermodynamics and I tried to find the answer on the internet but nothing of relevance came up and even this site did not have the answer.
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### Is anything wrong with the given statement? [closed]

If we take randomly any two bodies, the one with the higher temperature will contain more heat.
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### Working of thermometer and mercury

If mercury is a poor conductor of heat, then how does it work in a thermometer?
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### Why is each snow flake different?

What are the factors that determine the patterns of snow flake formation? Would pressure and the rate at which a snow flake freezes make a difference? Does the PH and impurities make a change in the ...
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194 views

### Global warming: change in Earth's potential energy

It is quite common to hear in newspapers and television about the increasing temperature, i.e. global warming. But I am interested in something else. How does global warming affect the internal ...
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