...1) Moisten a clean platinum/nichrome wire with concentrated hydrochloric acid. 2) Dip the wire into a crushed...to form a silvery ball. 2) It moves quickly on the water surface with a hissing sound. 3) It...
...case of 漏石油氣...don't claw on the floor because the "gas" will sink and concentrate on the floor, if you stay on the floor, you will suffucate. Petroleum(oil - liquid...
...carbon acts as a reducing agent to react hot concentrated nitricacid, and the two half ionic equations ...4(*) + (#), and cancel 2H2O(l) and 4H⁺(aq) on the both sides. The overall ionicequation ...
...solution isalkaline and thus turns purple. (B) Concentrated nitric acid is acidic. When it is..., pHchange? It depends on whether the volume of the acid solution is changed...
...of hydrogen ions in a solution of an acid depends on not only the strength of the acid, but also the concentration of the acid. A more concentrated solution of a weaker acid may have a lower pH...
Na 2,8,1 K層電子層有2粒電子。 L層電子層有8粒電子。 M層電子層有1粒電子。 N層電子層 沒有 電子。 O層電子層 沒有 電子。 N層和O層電子層是存在的，只不過基態時沒有電子在N層和O層。 吸熱後，M層那粒...
a. When diluting a concentrated acid, that is adding the acid into water which is inside the wet...
...only instantaneously when the electrons in a molecule concentrate in one side of the molecule. 2.Dipole-dipole ... than 0.5), then the molecule should be non-polar. On the other hand,if the molecule contain polar bond,we have to consider...
...again,"The ability of an element to catenate is primarily based on the bond energy of the element to itself, which decreases with more diffuse...
...preferentially discharged becausethey are much more concentrated than hydrogen ions. Nickel ions are... to give nickel metal,which forms a layer to plate on the cathode metal.
