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  • Others 
    Ideal Gas Law

    Ideal Gas Law

    In this interactive object, learners use the ideal gas law to solve a practice problem.

    Subjects:
    Chemistry
    Keywords:
    Gas laws (Physical chemistry)
    Resource Type:
    Others
     
  • Others 
    Ion Charges

    Ion Charges

    In this interactive object, the learner practices identifying charges on ions.

    Subjects:
    Chemistry
    Keywords:
    Ions
    Resource Type:
    Others
     
  • Others 
    Oxidation States of Ions

    Oxidation States of Ions

    Learners examine the periodic table to identify metallic elements that have either fixed or variable oxidation states.

    Subjects:
    Chemistry
    Keywords:
    Reduction (Chemistry) Chemical reactions Oxidation Oxidation-reduction reaction
    Resource Type:
    Others
     
  • Others 
    Standard Molar Volume

    Standard Molar Volume

    Learners observe that the volume of one mole of any gas is 22.4 L at standard temperature and pressure. An illustration shows that only the mass of the molar volume differs with the identity of the gas.

    Subjects:
    Chemistry
    Keywords:
    Gases Molecular volume
    Resource Type:
    Others
     
  • Others 
    Controlling pH

    Controlling pH

    Learners view an animated presentation showing how the pH level of a cleaning solution is controlled in a closed-loop system in a manufacturing setting. A quiz completes the activity.

    Subjects:
    Chemistry
    Keywords:
    Hydrogen-ion concentration
    Resource Type:
    Others
     
  • Others 
    Measuring Volume Using a Graduated Cylinder

    Measuring Volume Using a Graduated Cylinder

    Learners view an explanation of how to read a graduated cylinder by measuring the lowest portion of the meniscus. A quiz completes the activity.

    Subjects:
    Chemistry
    Keywords:
    Volume (Cubic content) Weights measures
    Resource Type:
    Others
     
  • Others 
    Reading a Triple Beam Balance

    Reading a Triple Beam Balance

    Students identify the parts of a triple beam balance and practice measuring the mass of objects.

    Subjects:
    Chemistry
    Keywords:
    Weights measures Balances (Weighing instruments)
    Resource Type:
    Others
     
  • Others 
    Determining Empirical and Molecular Formulas (Screencast)

    Determining Empirical and Molecular Formulas (Screencast)

    Learners follow a four-step process to determine the empirical formula of a compound from the masses of its constituent elements. The molecular formula is determined in a fifth step using the molecular weight of the compound.

    Subjects:
    Chemistry
    Keywords:
    Molecular weights Chemistry Physical theoretical
    Resource Type:
    Others
     
  • Others 
    The Solid State

    The Solid State

    In this well-illustrated object, learners examine the structures and properties of the four types of solids: molecular, metallic, ionic, and covalent network. Five interactive questions are provided.

    Subjects:
    Chemistry
    Keywords:
    Solid state chemistry
    Resource Type:
    Others
     
  • Others 
    Ions

    Ions

    Ions are electrically charged particles obtained from an atom or from a chemically bonded group of atoms by adding or removing electrons. Eight examples illustrate the number of protons, neutrons, and electrons in positive ions (cations) and in negative ions (anions).

    Subjects:
    Chemistry
    Keywords:
    Ions
    Resource Type:
    Others