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sergiy2304 [10]
2 years ago
8

Consider the unbalanced equation for the oxidation of aluminum.

Chemistry
2 answers:
SashulF [63]2 years ago
8 0
In order to balance an equation, we apply the principle of conservation of mass, which states that mass can neither be created nor destroyed. Therefore, the mass of an element before and after a reaction remains constant. Here, the balanced equation becomes:
4Al + 3O₂ → 2Al₂O₃

The coefficients are 4, 3 and 2.
Pani-rosa [81]2 years ago
8 0

Answer:

c

Explanation:

edg 2020

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In a mixture of He, O, and N, gases He exerts a partial pressure of 15.22 mm Hg and
gayaneshka [121]

Answer:

P(N)  = 38.48 mmHg

Explanation:

Given data:

Partial pressure of He = 15.22 mmHg

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Solution:

According to Dalton law of partial pressure,

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Now we will solve this  problem by using this law.

P(total) = P(He) + P(O) + P(N)

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P(N)  = 88.91 mmHg  - 50.43 mmHg

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7 0
3 years ago
The water for the pan is not saturated with co2. will the reported percent caco3 in the original sample be too high, too low, or
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