0.9mole of Fe
Explanation:
Given parameters:
Mass of Fe = 50g
Unknown:
Number of moles of iron = ?
Solution:
The number of moles is the particle that contains the avogadro's number of particles.
It is a unit for reporting chemical measurement.
To find the number of moles of a substance;
Number of moles =
Molar mass of Fe= 56g/mol
Number of moles = = 0.9mole of Fe
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Number of moles brainly.com/question/1841136
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Answer:
And since there is a frictional force acting upon the rotating blades of the fan due to the air, the speed of the fan blades ceases and ultimately comes to halt. Thus here, air friction is the external force which makes the fan blades to stop after sometime, otherwise it would have never stopped rotating :P.
Explanation:
Answer:
It doesn't disappear.
Explanation:
Water vapor does not disappear. It loses its solid form because it is warm enough, and thus becomes an invisible gas.
Answer:
lol one time some random person came up to me one the street and screamed "theyre coming, hide!!!" i was sooo confused
Explanation: