5 Water is evaporated from the magnesium chloride solution. The resulting solid is melted at 700°C and decomposed by passing electric current through it. (a) What is the name of the physical change that occurs first in the magnesium chloride? (b) Write the balanced chemical equation for this step. (c) Identify the type of chemical reaction.

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Chapter1: Chemical Foundations
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5 Water is evaporated from the magnesium
chloride solution. The resulting solid is melted
at 700°C and decomposed by passing electric
current through it.
(a) What is the name of the physical change
that occurs first in the magnesium chloride?
(b) Write the balanced chemical equation for
this step.
(c) Identify the type of chemical reaction.
Transcribed Image Text:5 Water is evaporated from the magnesium chloride solution. The resulting solid is melted at 700°C and decomposed by passing electric current through it. (a) What is the name of the physical change that occurs first in the magnesium chloride? (b) Write the balanced chemical equation for this step. (c) Identify the type of chemical reaction.
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