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The chemical equation for the laboratory preparation of ammonia is: N2(g) + 3H2(g) → 2NH3(g)
2 CH3CH2OH → CH3CH2OCH2CH3 + H2O (on 120'C)
The chemical equation for the preparation of Lugol's solution using potassium iodide and iodine is 2KI + I2 -> 2KI3.
The word equation for the preparation of hydrogen gas is: metal + acid → salt + hydrogen gas. For example, when hydrochloric acid reacts with zinc, it produces zinc chloride salt and hydrogen gas.
The preparation equation depends on the route by which this compound is prepared. A simple route is neutralization of acetic acid with potassium hydroxide: KOH + CH3COOH --> H2O + K+CH3COO-
The chemical equation for the laboratory preparation of ammonia is: N2(g) + 3H2(g) → 2NH3(g)
2 CH3CH2OH → CH3CH2OCH2CH3 + H2O (on 120'C)
The chemical equation for the preparation of Lugol's solution using potassium iodide and iodine is 2KI + I2 -> 2KI3.
2rch2oh + o2 -------> 2rcho + 2h2o
The word equation for the preparation of hydrogen gas is: metal + acid → salt + hydrogen gas. For example, when hydrochloric acid reacts with zinc, it produces zinc chloride salt and hydrogen gas.
The preparation equation depends on the route by which this compound is prepared. A simple route is neutralization of acetic acid with potassium hydroxide: KOH + CH3COOH --> H2O + K+CH3COO-
The chemical equation for the preparation of ethene from ethanol is: C2H5OH (ethanol) → C2H4 (ethene) + H2O (water). This reaction is typically carried out at high temperatures in the presence of a catalyst such as sulfuric acid.
Bleach is a chemical, such as sodium hypochlorite or hydrogen peroxide, or a preparation of such a material, used for disinfecting.
From water, H2 at cathode and O2 at anode: 2H2O ----> 2H2 + O2
The chemical equation for the preparation of ammonium bromide using potassium bromide and ammonium sulfate is: 2KBr + (NH4)2SO4 -> 2NH4Br + K2SO4
Chance doesn't enter into the equation. Preparation and planning is a better way
Chocolate cake is a complex mixture, not a compound; and the preparation involve many chemical reactions.