3 years ago

I just need help with these 2 questions I accidentally answered the first one

Chemistry

1 answer:

Anni [7]3 years ago

7 0

Answer:

i think the pool

Explanation:

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Where does the object have the greatest potential and kinetic energy<br> Help plzzz

Fittoniya [83]

Answer:

Explanation:

I believe it is one because the energy is stored right before it falls

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3 years ago

A 55 kg person on Earth has the __________mass on the moon.

Semmy [17]

Answer:

89.1 N

Explanation:

W = m gm = 55.0 x 1.62 = 89.1 N

5 0

3 years ago

In the Hall-Heroult process, a large electric current is passed through a solution of aluminum oxide Al2O3 dissolved in molten c

gtnhenbr [62]

Answer:

1.13 × 10⁶ g

Explanation:

Let's consider the reduction of aluminum (III) from Al₂O₃ to pure aluminum.

Al³⁺ + 3 e⁻ → Al

We can establish the following relations:

1 Ampere = 1 Coulomb / second
The charge of 1 mole of electrons is 96,468 c (Faraday's constant)
1 mole of Al is produced when 3 moles of electrons circulate
The molar mass of Al is 26.98 g/mol.

The mass of aluminum produced under these conditions is:

$90.0 s \times \frac{1s}{620c} \times \frac{96,468c}{1mole^{-} } \times \frac{3mole^{-}}{1molAl} \times \frac{26.98gAl}{1molAl} =1.13 \times 10^{6} g Al$

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4 years ago

Molecules are likely to dissolve in nonpolar solvents.

masha68 [24]

The answer to this is yes they are likely, true.

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3 years ago

Which of the following is not true of a quantity? It is the same thing as a measurement. It is something that has magnitude. One

TEA [102]

It is something that has size or amount

7 0

3 years ago

￼I just need help with these 2 questions I accidentally answered the first one

I just need help with these 2 questions I accidentally answered the first one