In a redox reaction, MgCl2 turns into Mg and Cl2 because magnesium (Mg) is oxidized, losing two electrons to form Mg2+ ions, while chlorine (Cl) is reduced, gaining electrons to form Cl- ions. This transfer of electrons from magnesium to chlorine results in the formation of magnesium ions and chlorine gas. This process occurs because magnesium has a tendency to lose electrons to achieve a stable electron configuration, while chlorine has a tendency to gain electrons to achieve a stable electron configuration. **

MgCl2 is an ionic bond because it is formed between a metal (Mg) and a non-metal (Cl). In this bond, the metal atom (Mg) loses electrons to become a positively charged ion, while the non-metal atoms (Cl) gain electrons to become negatively charged ions. The resulting attraction between the positively and negatively charged ions forms the ionic bond in MgCl2. **

The equivalent weight of MgCl2 is the molecular weight divided by the valence of the cation. The molecular weight of MgCl2 is 95.21 g/mol, and the valence of Mg is 2. Therefore, the equivalent weight of MgCl2 is 95.21 g/mol / 2 = 47.605 g/equiv. **

In the molten salt electrolysis of MgCl2, solid magnesium chloride is melted to form a liquid electrolyte. This electrolyte allows the flow of electric current between two electrodes, typically made of graphite. When an electric current is passed through the molten MgCl2, magnesium ions migrate towards the cathode (negative electrode) where they gain electrons and are reduced to form molten magnesium metal. Chloride ions migrate towards the anode (positive electrode) where they lose electrons and are oxidized to form chlorine gas. This process allows for the production of pure magnesium metal from magnesium chloride. **

The bond particle change of MgCl2 + H2 is a chemical reaction in which magnesium chloride (MgCl2) reacts with hydrogen gas (H2) to form magnesium metal (Mg) and hydrogen chloride gas (HCl). The balanced chemical equation for this reaction is: MgCl2 + H2 -> Mg + 2HCl In this reaction, the magnesium chloride molecule (MgCl2) is broken down into its constituent ions, Mg2+ and 2Cl-, while the hydrogen molecule (H2) is broken down into two hydrogen atoms. The magnesium ions then react with the hydrogen atoms to form magnesium metal, while the chloride ions react with the hydrogen atoms to form hydrogen chloride gas. **

To determine the number of moles of Mg in 48g of MgCl2, we first need to calculate the molar mass of MgCl2. The molar mass of MgCl2 is 95.21 g/mol. Next, we need to find the molar ratio of Mg to MgCl2, which is 1:1. Therefore, the number of moles of Mg in 48g of MgCl2 is 48g / 95.21 g/mol = 0.504 moles. **

The melting point of a compound is influenced by the strength of the bonds between the atoms within the compound. In the case of MgCl2 and NaCl, both are ionic compounds composed of metal cations and chloride anions. However, MgCl2 has a lower melting point than NaCl because magnesium cations have a lower charge density compared to sodium cations, resulting in weaker electrostatic forces of attraction between the ions in MgCl2. This weaker bond strength in MgCl2 leads to a lower melting point compared to NaCl. **

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