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finlep [7]
3 years ago
6

4+4=?

Chemistry
2 answers:
satela [25.4K]3 years ago
8 0
Hmm trick question
* runs and hides forever *
lesya692 [45]3 years ago
3 0

Answer:

8

Explanation:

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Which electron configuration of the 4f energy sublevel is most stable?
umka21 [38]

Answer: both options A and D

Explanation:

Half filled and completely filled orbitals are more stable than any other configuration since they are more symmetrical and energy exchange Occurs readily.

So 4f^7& 4f^14 are more stable

7 0
3 years ago
Can i get some help with this
aliya0001 [1]

Answer:

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Explanation:

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I think this is the answer, I hope this helps!

3 0
3 years ago
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Ainat [17]
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4 0
3 years ago
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What is the mass of 4.5 x 10^22 molecules of hydrogen peroxide (H2O2)? Show your work in the space below.
valentinak56 [21]

Given :

Number of molecules of hydrogen peroxide, N = 4.5 × 10²².

To Find :

The mass of given molecules of hydrogen peroxide.

Solution :

We know, 1 mole of every compound contains Nₐ = 6.022 × 10²³ molecules.

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n = \dfrac{N}{N_a}\\\\n = \dfrac{4.5\times 10^{22}}{6.022\times 10^{23}}\\\\n = 0.0747 \ moles

Now, mass of hydrogen peroxide is given as :

m = n × M.M

m = 0.0747 × 34 grams

m = 2.54 grams

Hence, this is the required solution.

6 0
3 years ago
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