
Interpretation: Comprehend the molecular view of carbon dioxide gas.
Concept Introduction: The chemical compounds can be classified as covalent compound and ionic compound. Ionic compounds have complete negative and positive charges on it whereas covalent compounds are formed by equal sharing of electrons between bonded atoms.
The molecular view of any molecule represents the atoms bonded in a molecule with

Answer to Problem 6E
Explanation of Solution
Freezing is the interconversion of liquid state to solid state. When water freezes, the water molecules come close to each other therefore the volume decreases. During freezing of water molecules, water molecules come close to each other but close to freezing point, water molecules arranged in a cage like structure with the help of formation of hydrogen bonds with each other therefore it shows expansion of molecules. Ice is less dense than water due to movement of water molecules slightly apart compared to liquid water. In water vapor molecules are very far from each other as there is no more hydrogen bond between water molecules.
Chapter U3 Solutions
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