Answer: Transition metal
Explanation: Copper is definitely a transition metal because the Cu2+ ion has an incomplete d level.
Answer:
in crystalline solids
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Answer: increase
Explanation: when Mg is powder it has greater surface area and
Reaction occurs faster
Answer:
Explanation:
Reaction of hydrazine is
N2H4 + O2 --> N2 + 2H2O
Mass of hydrazine mole = 14x2 + 1x4 = 32g/Mol
Mass of O2 mole = 16x2 = 32g/Mol
Number of moles in 2.29kg of hydrazine
2290/32=71.56Moles
1mol of hydrazine required to react with 1mol of O2
Amount of O2 required to react with hydrazine
71.56*32=2290
Required O2 amount is exactly the same.
Therefore limiting reactant is hydrazine and excess of 850g of O2 will be in excess.
Answer:
they pollute and mine the rocks
Explanation:
which changes the way rocks are