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Law of Conservation of Mass

Quiz by Shelley Hope

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10 questions
Show answers
  • Q1
    What is the law of conservation of mass?
    an object continues in its original conditio
    the acceleration of an object depends on the size of the force acting on it
    is conserved when objects collide
    The total mass of the product is always the same as the total mass of the reactants.
    30s
  • Q2
    How can balancing a chemical reaction reflect the law of conservation of mass?
    The chemical equation bonds to the law of conservation of mass so that the matter can easily be destroyed.
    Every chemical equation bonds to the law of conservation of mass, which states that matter cannot be created or destroyed.
    30s
  • Q3
    As a tree gets older, why does it not follow the law of conservation of mass?
    Question Image
    Including balanced chemical equations as a part of the planning and analysis of a scientific investigation is important because a balanced chemical equation is a clear, direct, and efficient way to represent the type of chemical reaction involved in the investigation.
    Hydrogen, Nitrogen, oxygen, florine, chlorine, bromine, and iodine all exist as diatomic molecules.
    Through photosynthesis the tree uses energy from the sun to convert carbon dioxide and water into glucose and oxygen. It uses the glucose to build the cells that allow it to grow. No matter is created or formed, in that no atoms are destroyed or created in the reaction.
    30s
  • Q4
    Your classmates states that the law of conservation of mass is not being followed in the reaction of Mg(s) + 02(g) = MgO(s) because there is a loss of one atom of oxygen in the process. Is this true or false
    True
    False
    30s
  • Q5
    Why does the law of conservation of mass matter?
    It matters because it states that matter is not destroyed or created in a chemical reaction, it stays constant.
    It matters because it shows us that it can be destroyed in a chemical reaction. It doesn't stay the same.
    It matters just because it matters.
    30s
  • Q6
    In a chemical equation with the law of conservation of mass included, what happens to the atoms?
    The atoms get created.
    The atoms get destroyed.
    The atoms stay the same.
    They atoms get rearranged.
    30s
  • Q7
    Who founded the law of conservation of mass?
    Isaac Newton
    William Rankine
    Julius Robert Mayer
    Antoine Laurent Lavoisier
    30s
  • Q8
    When was the law of conservation of mass discovered?
    1775
    1867
    1785
    1798
    30s
  • Q9
    In a chemical equation, is the mass always the same before and after when it is involed with the conservation of mass?
    No
    Yes
    30s
  • Q10
    Why don't we call the law of conservation of mass just law of conservation?
    Scientists like to name things very long.
    It sounds too dumb.
    There are other items that are called law of conservation.
    It isn't scientific enough.
    30s

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