When a solid is placed in a container and heat is applied, a phase change occurs. Watch the video and sort the parts of the curve based on whether the average energy of the molecules is changing, or is con > View Available Hint(s) Reset Help The solid heated at the melting point The liquid is heated to reach the boiling point The solid is heated melting point reach the The liquid is heated at the boiling point Average molecule energy change Average molecule energy constant

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A: We will answer this question using law of conservation of the mass.

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A: The reaction taking place is given as, => Ba (s) + Cl2 (g) -------> BaCl2

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A: To answer: Major Entities present in Cu(s) a) Cu (s), H2O (l) b) Cu2+ (aq), H2O (l)

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