50 Points! I am so Confused an some1 help meh?

Reactants

steel wool
Steel Wool
(6 grams)

+
oxygen
Oxygen
(1 gram)

=

Product

question mark
iron oxide
Iron Oxide
(7 grams)




Reactants

egg
Egg
(45 grams)

+

hot frying pan
Heat

=

Product

Cooked Egg (41 grams) + Cracked Egg Shell (4 grams)


Reactants


Water
(75 grams)

+

Heat

=

Product

Steam
(75 grams gas released)


Reactants


Zinc
(10 grams)

+

Hydrogen Chloride
(5 grams)

=

Product

Zinc Chloride (12 grams) + Hydrogen Gas (3 grams released)


Reactants

glass test tube with sodium hydroxid
Sodium Hydroxide
(10 grams)

+

glass beaker with copper sulfate
Copper Sulfate
(57 grams)
=

Product

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glass beaker with sodium sulfate and copper hydroxide
Sodium Sulfate (47 grams) + Copper Hydroxide (20 grams)