In three steps the exchange of the acid H+ions each to one added hydroxide ion OH-: (HOOC)3C3H5O4 + 3 OH- --> (-OOC)3C3H5O4 + 3H2O
Citric acid and potassium hydroxide will yield potassium citrate and water.
2KOH + H2SO4 -> 2H2O + K2SO4
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No, reacting zinc with hydrogen chloride will yield zinc chloride and hydrogen gas. Potassium chloride can be prepared by reacting potassium with hydrogen chloride or (more safely) potassium hydroxide with hydrogen chloride.
I assume a double displacement reaction. At least ideally. 2KI + CaS -> K2S + CaI2
2KOH + H2SO4 -> 2H2O + K2SO4
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2Fe(SO4)3 + 6KOH ---> 2Fe(OH)3 + 3K2(SO4) iron 3 is +3, sulfate is -2, potasium is +1, and hydroxide is -1
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Potassium hydride reacts with water to produce potassium hydroxide and hydrogen gas. KH + H2O --> KOH + H2
2K + H2O ----> K2O + H2
No, reacting zinc with hydrogen chloride will yield zinc chloride and hydrogen gas. Potassium chloride can be prepared by reacting potassium with hydrogen chloride or (more safely) potassium hydroxide with hydrogen chloride.
The chemical equation demonstrates the ratio of chemicals reacting and producing. Even though only minute amount of actual chemicals are reacting, the chemical equation shows which chemicals are doing what.
I assume a double displacement reaction. At least ideally. 2KI + CaS -> K2S + CaI2
Caesium + water ------> Caesium hydroxide + Hydrogen
Sodium and potassium reacting violently with water is a chemical reaction, causing a chemical change.