Yes, following the reaction :
Mg + 2HCl(aq) -> MgCl2(aq) + H2(g)
MgCl2
they will form a magnesium salt and hydrogen gas
sodium chloride as a compound has different physical and chemical properties than sodium and chloride not mixed together
That depends on what chemicals were mixed in order to produce the hydrogen gas. For example, if it was the metal magnesium (Mg), and the acid hydrochloric acid (HCl), then the equation would be Mg(s) + 2HCl(aq) -- > MgCl2(aq) + H2(g). Please note that the 2 after MgCl is supposed to be a subscript, as is the 2 after hydrogen. We are having difficulties with the subscripts and superscripts right now.
A mixture of compounds is when two or more compounds are mixed together. For example, saltwater is a mixture of compounds because it is a mix of two compounds: salt and water.
Magnesium chloride is formed.
magnesium chloride? LOL
Carbon Dioxide
Magnesium Bromide MgBr2
The gas carbon dioxide is released.
Mg + 2H+ --> Mg2+ +H2
MgCl2 (Magnesium Chloride)
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)
MgCl2
I'm not sure, but based on my knowledge of chemistry, a compound has different properties from its components. So magnesium salt should not react with HCl (Hydrochloric acid) unless it dissociates in water and magnesium (the element) is present. Anyway when magnesium is mixed with an acid (any acid, not just stomach acid), hydrogen gas is produced and a salt is formed.
Mixed salt: magnesium hydroxi-bromide
The products that are formed will be magnesium salt, water and carbon dioxide. Exactly what salt is made depends the acid used. Hydrochloric acid produces magnesium chloride; sulphuric acid produces magnesium sulphate; nitric acid produces magnesium nitrate.