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Is adding hydrochloric acid to magnesium ribbon a physical or chemical?
Adding hydrochloric acid to magnesium ribbon results in a chemical reaction. The magnesium reacts with the hydrochloric acid to produce magnesium chloride and hydrogen gas. This process involves the breaking and forming of chemical bonds, indicating a change in the substance's chemical identity. Thus, it is a chemical change rather than a physical one.
What type of energy change associated with chemical reaction between magnesium and hydrochloric acid?
This reaction is exothermic.
Does magnesium hydroxide dissolve in water?
Magnesium oxide does not "dissolve" in hydrochloric acid. Dissolution is a physical change. When magnesium oxide is mixed with hydrochloric acid, a chemical reaction takes place: Mg(s) + 2HCl ---> MgCl2(aq) + H2(g)
When a piece of magnesium ribbon is placed into beaker containing hydrochloride acid bubbling is of served a chemical change?
When magnesium ribbon is placed in hydrochloric acid, a chemical reaction occurs, resulting in the formation of magnesium chloride and hydrogen gas. The bubbling observed is due to the release of hydrogen gas as the magnesium reacts with the acid. This reaction is characterized by the magnesium dissolving and the solution becoming warmer, indicating an exothermic process. Overall, the visible bubbling and changes in the solution confirm a chemical change has taken place.
Is adding magnesium and heat chemical or physical change?
Heating magnesium is a physical process.But the reaction of magnesium with oxygen at high temperature is a chemical process.
Mixing magnesium and the product of burning magnesium with hydrochloric acid is it a physical or chemical change?
Mixing magnesium and the product of burning magnesium with hydrochloric acid would lead to a chemical change. The reaction between magnesium oxide (product of burning magnesium) and hydrochloric acid would produce magnesium chloride and water, showing a chemical reaction taking place due to the formation of new substances with different properties.
What colour does hydrochloric acid go when magnesium is added?
When magnesium is added to hydrochloric acid, a chemical reaction takes place, resulting in the formation of magnesium chloride and hydrogen gas. The color of the hydrochloric acid does not change significantly during this reaction.
Is adding HCI to Mg a chemical change?
Yes. Magnesium metal reacts in hydrochloric acid to form magnesium chloride and hydrogen gas.
What type of energy change associated with chemical reaction between magnesium and hydrochloric acid?
This reaction is exothermic.
Is mixing magnesium and hydrochloric acid a chemical change?
Because you change the composition of the original matter. It is no longer in its original state. Chemical Change- Change in composition; burning, crushing, etc. physical change- changing state, but substance's composition stays same; freezing, boiling, etc
What is the enthalpy change when hydrochloric acid reacts with magnesium?
The enthalpy change when hydrochloric acid reacts with magnesium is exothermic, meaning it releases heat energy.
What is the enthalpy change when magnesium reacts with hydrochloric acid?
The enthalpy change when magnesium reacts with hydrochloric acid is exothermic, meaning it releases heat energy.
Hydrochloric acid reacts with magnesium to produce hydrogen gas is chemical change?
The reaction of potassium (K) with hydrochloric acid (HCl) would result in a chemical change.2K(s) + 2HCl ==> 2KCl + H2(g). This is a chemical change because K has been converted to a new chemical, KCl, and H in HCl has been converted to H2 gas.
When you put magnesium metal inside hydrochloric acid What is the chemical change?
The chemical reaction (change) is a single replacement in which the element Mg replaces the element hydrogen in hydrochloric acid: Mg(s) + 2HCl(aq) --> MgCl2(aq) + H2(g)
Is adding HCl to Mg physical change?
No, adding hydrochloric acid (HCl) to magnesium (Mg) and observing the resulting chemical reaction is a chemical change, not a physical change. The reaction produces hydrogen gas and magnesium chloride, with new substances formed.
Does magnesium hydroxide dissolve in water?
Magnesium oxide does not "dissolve" in hydrochloric acid. Dissolution is a physical change. When magnesium oxide is mixed with hydrochloric acid, a chemical reaction takes place: Mg(s) + 2HCl ---> MgCl2(aq) + H2(g)
When magnesium burns in air is it chemical or physical change?
Burning magnesium (or burning anything) can be described as a chemical reaction, or as a chemical change. It is not a property. However, the capacity of being able to burn, also known as flammability, is a chemical property.
