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Chemistry A Molecular Approach with MasteringChemistry

Chemistry A Molecular Approach with MasteringChemistry 2nd Edition

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Chapter: Problem:
  • Step 1 of 2

    To understand the substances around us, first we must know how the atoms and molecules that composed them. This process is called the central goal of chemistry.

    It says that how the matter behaves if the atoms or molecules are changed in the composed of matter.

    For example: Carbon monoxide molecules possess the correct size and shape to fit neatly into the cavities of in haemoglobin which can carry the oxygen molecules in blood. But molecules cannot occupy those cavities of as like as in the haemoglobin. If there is any change in the molecules or atoms such as the addition of oxygen atom to carbon monoxide that will result large change in properties of the substance. Therefore, the entire properties of the substance were depending on the atoms and molecules that compose them.
    • Anonymous
      This is not the answer to 58 in 3rd ed. See 56 in 2nd edition
  • Step 2 of 2

    Consider one more example here to explain the behaviour of atoms and molecules that composed them.

    Ex: Water, and hydrogen peroxide,

    Here a water molecule is composed from two atoms of hydrogen and one atom of oxygen. But the hydrogen peroxide was composed by two atoms of hydrogens and two atoms of oxygen. We can see there are large differences between the chemical properties of water and hydrogen peroxide.

    Water is a stable liquid and it is useful to human life for drinking and bathe in purpose. Hydrogen peroxide is an unstable liquid and burns if it has contact on the skin.

    Similarly we pour water on hair just make wet on hairs but when we pour the hydrogen peroxide on our hair it can cause a chemical reaction and turns the hair into a colour.

    Therefore, based on the composed of atoms and molecules the substances have behave the properties.

    • HappyMeadow4772
      looks valid
    • HappyMeadow4772
      Looks great
Corresponding Textbook

Chemistry: A Molecular Approach Plus MasteringChemistry with eText -- Access Card Package 2nd edition 9780321706157 0321706153
Chemistry A Molecular Approach with MasteringChemistry | 2nd Edition
9780321706157ISBN-13: 0321706153ISBN: Nivaldo J. Tro, Robert S BoikessAuthors: