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aliina [53]
3 years ago
7

Explain why the air inside of the balloon has more pressure than the air outside.

Chemistry
1 answer:
julia-pushkina [17]3 years ago
6 0

Answer:

its more condensed

Explanation:

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How many moles is 2.2 x 1023 atoms of Fe?
kow [346]

Answer:

it's 3.77 moles

Explanation:

Pls give brainliest :)

4 0
3 years ago
The chemical equation below shows the formation of aluminum oxide (Al2O3) from aluminum (Al) and oxygen (O2).
Rufina [12.5K]

Answer:

Mass = 182.4 g

Explanation:

Given data:

Number of moles of Al₂O₃ = 3.80 mol

Mass of oxygen required = ?

Solution:

Chemical equation:

4Al + 3O₂    →       2Al₂O₃

Now we will compare the moles of aluminum oxide and oxygen.

                Al₂O₃           :           O₂

                   2               :            3

                 3.80            :         3/2×3.80 = 5.7

Mass of oxygen:

Mass = number of moles × molar mass

Mass = 5.7 mol × 32 g/mol

Mass = 182.4 g

4 0
2 years ago
Which statement accurately describes non renewable energy sources ?
xz_007 [3.2K]

a resource that cannot be replenished in a short period of time

5 0
3 years ago
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In a neutral solution, the concentration of H+ is
Elan Coil [88]

Answer:

1 x 10^-7 or 7

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pH=-log(H+)

pH+pOH=14

5 0
3 years ago
Name the molecule when potassium reacts with chlorine?
Dominik [7]

Answer: Potassium Chloride

Explanation:

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3 years ago
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