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Naddika [18.5K]
2 years ago
15

1. Number the following steps of the quantum leap process in order from beginning to end.

Chemistry
1 answer:
kari74 [83]2 years ago
5 0

Answer:

1. Atom absorbs energy from a source

2. Electron becomes unstable because it is quantized

3. Electron jumps to a higher energy level

4. Energy is released in the form of light

5. Electron falls to a lower energy level

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Calculate the number of ammonia molecules in 3.9 g.
disa [49]
•3.9g of ammonia
•molar mass of ammonia = 17.03g/mol

1st you have to covert grams to moles by dividing the mass of ammonia with the molar mass:

(3.9 g)/ (17.03g/mol) = 0.22900763mols

Then convert the moles to molecules by multiplying it with Avogadro’s number:

Avogadro’s number: 6.022 x 10^23


0.22900763mols x (6.022 x 10^23 molecs/mol)
= 1.38 x 10^23 molecules
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3 years ago
Which of the following statements is not true regarding acids? (3 points)
horsena [70]

Answer:

Lewis acid is a substance that donates a lone-pair of electrons.

Explanation:

What is said in the statement corresponds to a Lewis base, not an acid. For example, NH3 is a Lewis base, since it is capable of donating its pair of electrons. Trimethylborane (Me3B) is a Lewis acid, since it is capable of accepting a solitary pair.

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3 years ago
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La formula estructural del eter butil pentilico
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Answer:

do you mean?

Explanation:

the structural formula of butyl pentyl ether

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How many grams of aluminum are needed to react completely with 1.2 mol of FeO?
a_sh-v [17]

Answer:

5

Explanation:

all you do is the math expression

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If the particles of matter that make up a substance are relatively far apart and can move freely, the substance is in what state
Novay_Z [31]

Answer:

Gaseous

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Gasses can move freely and do not form the shape of their containers

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