Can we trick our taste buds, hint: have you ever had a headache ? what did you do?

i took an advil t.f what else are you gonna do bang your head on the wall?

Explanation:

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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 !

practical process described pest part of scientific investigation.

because practical knowledge is powerful then therotical knowledge.