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Distinguish between the first and second laws of thermodynamics in terms of whether or not exceptions occur?
Wiki User
∙ 7y ago
Neither has any known exceptions. You do have to account for the equivalence of mass and energy though to keep the 1st law consistent, i.e. E=mc² when it comes to nuclear fission and nuclear fusion.
Wiki User
∙ 7y ago
Wiki User
∙ 11y agoThere are no known exceptions to the first and second laws. That is why they are termed "laws"; in science, a hypothesis that had been tested and found to accurately produce the expected results every time and for which no exeptions have been found eventually rises to the status of "Law".
There are, of course, examples where a law has been incorrectly or too narrowly applied and thus appears to produce an exception. As an example, we have Einstein's equation that E=mc2. If we fail to take that into account, the process of nuclear fusion could appear to contradict the first law. When we include that information, however, we find that the first law remains valid.
Wiki User
∙ 14y agoNone. The laws of thermodynamics describe physical phenomena. The first one is the same as "if you put a pan on a hot stove, it will get warmer." Such laws of physics simply describe reality.
Wiki User
∙ 9y agoThere are hypothetical processes that would obey the First Law, but disobey the Second Law of Thermodynamics.
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How to do a chemical test to distinguish between zinc powder and lead carbonate?
One method would be to add an acid such as HCl to each sample, and collect the gas produced. The zinc will produce hydrogen gas, which is flammable, while the lead carbonate will produce carbon dioxide, which is not flammable. Thus, one can distinguish between the compounds depending on whether or not the gas evolved in the reaction ignites.
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I need answer forr thisss, i literally dont even know
Why the three parts of this activity can be used to distinguish among hydrogen oxygen and carbon dioxide gas but not to determine whether an unknown gas is one of the three?
I need answer forr thisss, i literally dont even know
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How do you distinguish exothermic and endothermic processes?
By whether heat is released or absorbed during the reaction.
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How to do a chemical test to distinguish between zinc powder and lead carbonate?
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