100 points
explain how you would separate the components of a dirty water mixture that consists of:

• coffee grounds

• garlic powder

• vegetable oil

• sodium chloride (table salt)

• gravel and sand

• water

1. Strain the mixture (removes dirt and gravel)

2. Filter the mixture (can remove LOTS of the other things)

3. Boil the mixture (removes water)

4. Possibly SCOOP the oil out (water and oil separate... you might be able to scoop the water

h let me think

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 !