Answer:
2Mg + O2 -> 2MgO
Explanation:
According to the above reaction ,
28.6g(2mole) Mg combine with 32g (1mole) of O2 to give 80.6g (2 mole) of MgO.
thus,
30g Mg will combine with 20g of O2 to produce 50g MgO and 10gO2 will remain unreactive.
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Explanation:
a colloid is a nonuniform mixture of a solute and a solvent in which the particles are permanently suspended.
solution is a uniform mixture of a solute and a solvent.
suspension is a nonuniform mixture of a solute and a solvent in which the particles are temporary suspended
paper clip is used to hold papers in position
The answer is C. convection.
A= Molds and cast fossils
B= Petrification Fossils
C= Whole Body Fossils
D= Footprints and Trackways
The answer is C) 80 grams O2