De, it
this is a
your
Sample Response: This is a chemical change
because new subs...
De, it
this is a
your
Sample Response: This is a chemical change
because new substances are formed with different
properties and identities.
What did you include in your response? Check all that
apply
rmed with
This is a chemical change.
New substances are formed.
The properties and identities of the original
substances are changed.
Answers: 3
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Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:
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Which statement correctly describes the phosphate ion, ? it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge on the phosphorus atom. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge on the phosphorus atom.
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