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Is hydrochloric acid and phenolphthalein a chemical change?
When HCl and phenolphthalein are mixed, a chemical reaction occurs leading to a change in the color of the solution (from pink to colorless). This is a chemical change as new substances are formed with different properties than the original substances.
A blank is a solid formed from liquid reactants during a chemical reaction?
A solid formed from liquid reactants during a chemical reaction is called a precipitate. This occurs when two soluble reactants mix and a solid compound is formed that is insoluble in the reaction medium.
Under what conditions does a precipitate form in a chemical reaction?
When a precipitate forms, cations and anions in aqueous solutions combine to form an insoluble ionic solid. This is specifically classified as a double replacement reaction and takes the form AB + CD --> AD + CB.
A solution of potassium iodide is treated with iron III nitrate solution?
A chemical reaction occurs where iron III iodide is formed and potassium nitrate is produced as a byproduct. The balanced chemical equation for this reaction is 2KI + Fe(NO3)3 -> 2KNO3 + FeI3. Iron III iodide is a dark brown solid, whereas potassium nitrate remains in solution.
What is the chemical reaction that occurs when salt and water are combined?
When salt is combined with water, a chemical reaction called dissolution occurs. This reaction involves the breaking of the ionic bonds in the salt crystals, causing the salt molecules to separate and disperse evenly throughout the water, creating a saltwater solution.
Why does a solid fall out of its solution?
When a solid falls out of solution, it is called a precipitate. A precipitate is formed when a chemical reaction occurs in a solution and the product that is made is insoluble.
When an aqueous solution of lithium chloride is mixed with an aqueous solution of ammonium sulfate what happens?
A chemical reaction occurs where lithium sulfate and ammonium chloride are formed. These products are both soluble in water and remain in solution. The reaction is: LiCl + (NH4)2SO4 → Li2SO4 + 2NH4Cl.
A solid that forms out of a solution?
The solid that forms out of a solution is called a precipitate. It is formed when the solubility limit of a substance in a solution is exceeded, causing it to separate out as a solid. This process is known as precipitation.
Is hydrochloric acid and phenolphthalein a chemical change?
When HCl and phenolphthalein are mixed, a chemical reaction occurs leading to a change in the color of the solution (from pink to colorless). This is a chemical change as new substances are formed with different properties than the original substances.
What does formation of a percipitate means?
The formation of a precipitate occurs when two solutions react to form an insoluble solid that separates out from the solution. This solid is known as the precipitate. It is a common indicator of a chemical reaction taking place in a solution.
A blank is a solid formed from liquid reactants during a chemical reaction?
A solid formed from liquid reactants during a chemical reaction is called a precipitate. This occurs when two soluble reactants mix and a solid compound is formed that is insoluble in the reaction medium.
If a chemical reaction occurs in a solution and the solution becomes warmer?
If a chemical reaction occurs in a solution and the solution becomes warmer, it indicates that the reaction is exothermic. This means that energy is being released in the form of heat as the reactants are converted into products. The increase in temperature can be measured and serves as evidence for the energy change occurring during the reaction. Such reactions often involve the breaking and forming of chemical bonds, releasing energy stored in those bonds.
Under what conditions does a precipitate form in a chemical reaction?
When a precipitate forms, cations and anions in aqueous solutions combine to form an insoluble ionic solid. This is specifically classified as a double replacement reaction and takes the form AB + CD --> AD + CB.
A solution of potassium iodide is treated with iron III nitrate solution?
A chemical reaction occurs where iron III iodide is formed and potassium nitrate is produced as a byproduct. The balanced chemical equation for this reaction is 2KI + Fe(NO3)3 -> 2KNO3 + FeI3. Iron III iodide is a dark brown solid, whereas potassium nitrate remains in solution.
What is a solid formed by a chemical reaction between two liquids?
A solid formed by a chemical reaction between two liquids is known as a precipitate. This occurs when the reaction leads to the formation of an insoluble product that separates from the liquid solution. Precipitation is commonly observed in various chemical processes, including titrations and in the formation of certain salts from their soluble ions. The solid precipitate can be collected and analyzed for further study.
What causes the bubbling of the solution?
Reaction in which bubbles are formed in solvent
When sodium chloride is dissolved in water a chemical reaction occurs in which sodium chloride is the?
There is NO chemical reaction at all when you dissolve NaCl into water. Dissolving is NOT chemical but a physical change of state.When however a reaction occurs, the original compound is called (one of) the reactant(s) and the compound(s) formed is (are) the product(s) of a chemical reaction.
