Observe someone making a meal in your home. You can make something yourself! As the food is prepared, collect dat for two examples of changes in matter. Use the Changes in Matter guide to determine if your examples are physical or
chemical changes. Your answer should include a description of each food preparation, as well as
evidence for which
type of change it is. You can use this format:
Example 1:
Type of Change:
Evidence:
Example 2:
Type of Change:
Evidence:

Please help me.
Will give

true

Explanation:

2fe + 3h2so4 -> fe2(so4)3 + 3h2

it is necessary to balance equations in order to get the proper amount of reactants as well as products in order not to make a miscalculation.

you cannot change the subscripts as that would change the substance itself. for instance, diatomic elements such as h2 only have the subscript two when a gas. another example would be so4, if you were to change the subscript, the element would no longer be sulfate.

we change the coefficients instead as that only changes the number of molecules rather than the substance itself.

hope this !

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