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

Energy is released during which phase changes? check all that apply. boiling condensing depositing freezing melting subliming

Apush or pull that moves or changes and object when to objects touch

Inside a flashbulb, oxygen surrounds a thin coil of magnesium. when the flashbulb is set off, a chemical reaction takes place in which magnesium combines with oxygen to form magnesium oxide. which of the chemical equations matches the reaction above? a. mg + o2 mgo2 + energy b. 2mg + o mg2o + energy c. 2mg + o2 2mgo + energy d. mg + o mgo + energy