Why does burning magnesium explode when sprinkled with water?
Magnesium reacts with water to produce hydrogen and a lot of heat. Metallic magnesium reacts only slowly, but magnesium vapour, produced when Mg burns, reacts extremely quickly due to …
Is there an way water can burn or cause fire?
2015年11月7日 · Water can contribute to a fire through other reactions like the reaction of water with reactive metals (like alkali metals, magnesium and others), which generates flammable …
Why does the humidifier make a stove's flame orange?
2018年11月18日 · $\begingroup$ @ToddWilcox It could certainly be improved, but this experiment clearly demonstrates that it is possible to induce sodium line emission in a gas …
How does water help extinguish fire? - Physics Stack Exchange
2014年10月14日 · $\begingroup$ The issue with liquid fires isn't just that water may "increase the affected area". If the burning liquid is substantially above its auto-ignition point, the …
heat - Is fire plasma? - Physics Stack Exchange
Firstly, 'Fire', according to numerous comments and answers [here][1] is a 'process', in which case, the answer to the question will be 'no', since plasma is a state of matter.
thermodynamics - Why do different materials have different …
2019年1月30日 · $\begingroup$ so the element's atom mass matter right? for example the amu for copper is 63.5 and the amu for gold 197 and the specific heat capacity for each of the …
pressure - What are the differences between the terms flammable ...
In contrast, non-flammable means "not capable of burning". To avoid confusion, it is recommended that use of the term inflammable be avoided, since the prefix in- here does not …
photoelectric effect - What's the difference between the work …
2015年9月5日 · In a particular textbook, the work function of a metal (in the context of the photoelectric effect) is defined as: the minimum amount of energy necessary to remove a free …
Why is it impossible for the reactor of the nuclear power plant to …
2022年5月26日 · In brief, the lack of a containment structure surrounding any nuclear fission chain reaction will lead to the core (nuclear material) either breaking up or quickly decaying …
Why Rutherford used only gold foil in his famous gold foil …
2016年6月5日 · Yes, it is correct that Rutherford used other metallic atoms instead of gold. From using other metallic atoms, he drew the following conclusion that there shall be no change in …