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Conservation of Matter
Page 4
Questions (174)
Sharon combines potassium (K) and water (H2O), producing potassium hydroxide (KOH) and hydrogen(H2), as shown in the chemical
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The reactants in a chemical equation have 4 potassium atoms, 3 oxygen atoms, and 2 iron atoms. According to the law of
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@~@
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Which procedure could be used to demonstrate that matter is conserved during a chemical change or reaction?(1 point)
Responses
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Suppose 10 atoms of carbon (C) react with 20 atoms of oxygen (O) to form 10 molecules of carbon dioxide (CO2
). According to the
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Suppose 10 atoms of carbon (C) react with 20 atoms of oxygen (O) to form 10 molecules of carbon dioxide (CO2
). According to the
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Supposed to atoms of carbon react with 20 atoms of oxygen to form 10 molecules of carbon dioxide, according to the law of
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14 views
Which procedure could be used to demonstrate that matter is conserved during a chemical change or reaction?(1 point)
Responses
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Refer to the chemical equation Pb(NO3)2 + 2NaI → PbI2 + 2NaNO3.
Identify the products and list the number of each type of atom
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The reactants in a chemical equation have 4 potassium atoms, 3 oxygen atoms, and 2 iron atoms. According to the law of
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hi :)
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Sasha does an experiment that involves burning an 8 gram strip of magnesium metal in an open flame. After the experiment Sasha
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alyssa
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Which procedure could be used to demonstrate that matters conserved during a physical change
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Which procedure could be used to demonstrate that matter is conserved during a chemical change or reaction?(1 point)
Responses
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Question
A student combines two liquids in a beaker. She observes that the mass of the combined liquid is less than the mass of
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Sasha does an experiment that involves burning an 8 gram strip of magnesium metal in an open flame. After the experiment Sasha
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11 views
The reactants in a chemical equation have 4 potassium atoms, 3 oxygen atoms, and 2 iron atoms. According to the law of
1 answer
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20 views
The reactants in a chemical equation have 4 potassium atoms, 3 oxygen atoms, and 2 iron atoms. According to the law of
1 answer
asked anonymously
11 views
Sasha does an experiment that involves burning an 8 gram strip of magnesium metal in an open flame. After the experiment Sasha
1 answer
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23 views
Which procedure could be used to demonstrate that matter is conserved during a chemical change or reaction?(1 point)
Responses
1 answer
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Anoumous
6 views
Question
POSSIBLE POINTS: 2.17 Boris combines zinc (Zn) and a copper(II) sulfate solution (CuSO4) to produce a zinc sulfate
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@~@
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Determine whether each chemical equation follows the Law of Conservation of Matter.
Column A 1. CH4 + 2O2 --> CO2 + 2H2O : CH4 +
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Mariana conducted an experiment where she burned a 5 g strip of magnesium metal in an open flame. The result was a 3.5 g white
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suppose 10 atoms of carbon react with 20 atoms of oxygen to form 10 molecules of carbon dioxide according to the law of
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6 views
Which procedure could be used to demonstrate that matter is conserved during a physical change?(1 point) Responses Find the mass
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which procedure would be used to demonstrate that matter is conserved during a physical change? Find the mass of a raw egg
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Parent Categories (18)
Atomic Reactions
Atomic structure and chemical reactions
Atoms and Molecules
Chemical changes
Chemical Equations
Chemical Reactions
Chemistry
Chemistry Education
Chemistry or Physical Science
Chemistry/Physical Science
Laws of Conservation
Matter and Energy
Physical Changes
Physical Science
Physics
Reaction stoichiometry
Reactions
Science