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if 160 kJ/mol

120 g = 3 mol potassium

reaction enthalpy: 3 x 160 = -480 kJ energy release.

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Potassium metal in water?

Potassium will react violently with water, forming potassium hydroxide and hydrogen gas. 2K + 2H2O --> H2 + 2KOH The heat of the reaction will likely ignite the hydrogen, which will subsequently form water.


What is the word equation for potassium and water?

BANANA


What is potassium hydroxide used for in an experiment to demonstrate that carbon dioxide is produced by green plants during respiration?

Potassium hydroxide is used to absorb carbon dioxide produced by the green plant during respiration. By placing the potassium hydroxide in the experimental setup, any carbon dioxide released will be absorbed, preventing it from affecting the results of the experiment. This allows for the accurate measurement of how much carbon dioxide is produced by the plant during respiration.


Does potassium explode in water?

Yes it will. potassium reacts with water to form potassium hydroxide and hydrogen. the reaction is highly exothermic and will explode. However, potassium can be slowly dissolved by adding very small piece of potassium in water, wait till it dissolves completely and then add the next piece. But should be done with caution.


What happens when it is put in water potassium?

Potassium metal will react violently with water to form KOH and hydrogen gas. Due to the heat released by the reaction - the hydrogen gas will ignite. So: placing potassium in water will cause a fire!


Hydrochloric acid reacts with potassium hydroxide to produce a salt water and heat chemical or physical?

The reaction between hydrochloric acid and potassium hydroxide is a chemical reaction that forms water and potassium chloride salt. It is an exothermic reaction, meaning that heat is released as a result of the reaction.


Chemical test can distinguish sodium carbonate form potassium hydroxide?

- use a flame test to distinguish between sodium and potassium - use flame photometry to determine sodium and potassium - heat sodium carbonate and collect the gas in a beaker with water: the gas released is carbon dioxide; see the bubbles. Measure the pH; it will be more than 7.


What does potassium do in water?

A violent chemical reaction: 2 K + 2 H2O = 2 KOH + H2 Potassium reacts with water to form potassium hydroxide and hydrogen gas. The reaction is exothermic, and the heat generated can ignite the hydrogen gas to create a fire. Large quantities of potassium can react explosively in water.


What causes ignition when water reacts with potassium?

The reaction of potassium with water is highly exothermic. That is, it gives off a lot of heat. Hydrogen, which is formed by the chemical reaction is ignited by this heat and so explodes.


What is the reaction for potassium chloride and water?

Potassium reacts rapidly and vigorously with water to produce colourless basic potassium hydroxide solution. In this reaction hydrogen gas is liberated. This reaction is highly exothermic. On evolution of heat potassium becomes purplish.2 K (solid) + 2 H2O (liquid) -> 2 KOH (aqueous) + H2 (gas)Additionally, hydrogen released during the reaction strongly reacts with oxygen and ignites. Potassium reacts with water more slowly than does rubidium. It reacts with water more rapidly than does sodium.


Is potash flammable?

Potash itself is not flammable. However, certain types of potash compounds may be flammable under certain conditions. It's always important to refer to the specific safety data sheet of the potash compound in question to understand its flammability properties.


Why should sodium and potassium be removed as a matter of urgency from a floode laboratory?

Metallic sodium or potassium reacts violently with water and may cause an explosion, if the hydrogen that is released by the reaction has the right proportion to the oxygen in the air.