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Vika [28.1K]
4 years ago
10

Write down the equation, in words, for the formation of rust.

Physics
1 answer:
Free_Kalibri [48]4 years ago
8 0

Answer:

Fe2O3

Explanation:

The chemical formula for rust is Fe2O3. Rust is formed when iron reacts with oxygen in moist air. The following chemical equation represents the reaction: 4Fe + 3O2 → 2Fe2O3. Water is necessary for the oxidation reaction to occur and to facilitate transport of the electrons.

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Explanation:

We have,

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(a) At t = 2 seconds, electrical charge is given by :

q(t) = 4t^3 + 5t + 6\\\\q(2) = 4(2)^3 + 5(2) + 6\\\\q=48\ C

(b) Current is given by :

I=\dfrac{dq}{dt}\\\\I=\dfrac{d(4t^3 + 5t + 6)}{dt}\\\\I=12t^2+5

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Therefore, it is the required explanation.

7 0
4 years ago
A football player runs from his own goal line to the opposing team's goal line returning to the fifty yard line all i 18.0s calc
ANTONII [103]
<span>assuming the pitch is 100yards long, the player runs 100yards to the other goal then a further 50 yards back to the 50-yard line. So he/she runs 150yards in 18s
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3 0
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Answer:

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Explanation:

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