Displacement reactions are useful for thermite welding, steel making, extraction of metals and relief from acid indigestion.
Answer: C the third one
Explanation:
The cell is a plant cell because it has chloroplast, which helps the plant make its own food from sunlight.
Because punnet squares are based off probability.
Answer:
28,125 g
Explanation:
m(O₂) = 100 g
n(O₂) =M(O₂)/m(O₂)=32 gram per mole / 100 g = 0,32 mole
O₂ + 2H₂ ⇒ 2H₂O , n(H₂O) = 2 × n(O₂)
m(H₂O) = M(H₂O)/2 × n(O₂) = 18 grams per mole / 2 × 0,32 mole = 28,125 g
