Which tools should Jeffrey bring with him to a crime scene? Jeffrey is a forensic who analyzes crime scenes. Hence, he should bring a (1), (2), and (3)to the crime scene so that he can analyze it well.

1 bullet proof jacket
Casting kit
Revolver

2knife
First aid kit
Disposable clothing

3stretcher
Evidence bags
Explosives

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 !

pla·gia·rism

/ˈplājəˌrizəm/

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noun

the practice of taking someone else's work or ideas and passing them off as one's own.

explanation:

i think its 5049.

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