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Preparation of chromic acid from chromium trioxide?
A general rule of thumb in chemistry is that metal oxides in water will form acids: CrO3+H2O -> H2CrO4. In fact, Chromium Trioxide is often sold as Chromic anhydride, that is, the anhydride of Chromic acid (take away water from Chromic acid, and you have...)
What is the chemical reaction when aluminium is added to water?
When aluminum is added to water, it reacts with water to produce aluminum oxide and hydrogen gas. The chemical equation for this reaction is: 2Al + 6H2O → 2Al(OH)3 + 3H2. This reaction is highly exothermic and can generate heat and flammable hydrogen gas.
When drain cleaner is added to water bubbles of hydrogen are produced Is what happens to form the bubbles when the cleaner is added a chemical or physical reaction?
If a gas is produced and it isn't a state change (such as steam bubbles forming), the reaction is a chemical change because the molecular makeup of either the water or the drain cleaner has changed and the hydrogen has been liberated.
Does food coloring cause a chemical reaction?
No, food coloring does not cause a chemical reaction. Food coloring is a substance added to food to change or enhance its color, but it does not undergo a chemical change itself. It simply dissolves in the food or liquid it is added to.
What physical reaction happens when water is drying with a chemical?
The absorption of water is not a chemical reaction.
What is the chemical reaction between chromic acid and sodium carbonate?
When chromic acid (H2CrO4) reacts with sodium carbonate (Na2CO3), it produces chromium(III) hydroxide (Cr(OH)3), carbon dioxide (CO2), and water (H2O). The balanced chemical equation for this reaction is: 2H2CrO4 + 3Na2CO3 → Cr(OH)3 + 3CO2 + 3H2O + 3Na2CrO4
What is formed when sodium hydroxide reacts with chromic acid?
This is a neutralization reaction. This reaction should result in producing a salt and water. Sodium chromate is the salt in this instance.
What is the product when sodium chloride added in water?
There is no chemical change at all. Adding salt to water makes salty water.
Preparation of chromic acid from chromium trioxide?
A general rule of thumb in chemistry is that metal oxides in water will form acids: CrO3+H2O -> H2CrO4. In fact, Chromium Trioxide is often sold as Chromic anhydride, that is, the anhydride of Chromic acid (take away water from Chromic acid, and you have...)
What is the chromic acid oxidation mechanism for converting aldehydes?
The chromic acid oxidation mechanism for converting aldehydes involves the aldehyde reacting with chromic acid to form a carboxylic acid. This reaction typically occurs in the presence of sulfuric acid and water. The chromic acid is reduced to chromium(III) during the process.
What is the chemical reaction when aluminium is added to water?
When aluminum is added to water, it reacts with water to produce aluminum oxide and hydrogen gas. The chemical equation for this reaction is: 2Al + 6H2O → 2Al(OH)3 + 3H2. This reaction is highly exothermic and can generate heat and flammable hydrogen gas.
Why does molarity goes down if water is added to the chemical reaction?
Because the concentrations of solutes are lowered.
When drain cleaner is added to water bubbles of hydrogen are produced Is what happens to form the bubbles when the cleaner is added a chemical or physical reaction?
If a gas is produced and it isn't a state change (such as steam bubbles forming), the reaction is a chemical change because the molecular makeup of either the water or the drain cleaner has changed and the hydrogen has been liberated.
In hydrolysis is water added or removed?
In hydrolysis, water is added to a molecule to break a chemical bond. This process involves splitting the molecule into two or more parts by the addition of water molecules.
Does food coloring cause a chemical reaction?
No, food coloring does not cause a chemical reaction. Food coloring is a substance added to food to change or enhance its color, but it does not undergo a chemical change itself. It simply dissolves in the food or liquid it is added to.
What chemical reaction takes place when drops of cold water are added to a white solid formed by heating calium calcium carbonate?
When drops of cold water are added to a white solid formed by heating calcium carbonate (CaCO3), a chemical reaction occurs where calcium hydroxide (Ca(OH)2) is formed. This reaction is a hydration reaction where water molecules react with calcium oxide to produce calcium hydroxide.
What physical reaction happens when water is drying with a chemical?
The absorption of water is not a chemical reaction.
