3 years ago

Which of the following electron configurations is correct?

1 answer:

6 0

1. wrong because at the end it should be 3d1 not 4d1
2. Correct
3. at the end it should be 4s2 not 3d2

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dusya [7]

!!!!!!!!!!!!!!!!!!!!

5 0

3 years ago

NemiM [27]

Answer:

15.28 L

Explanation:

Use combined gas law and rearrange formula

Change C to K

- Hope that helped! Please let me know if you need further explanation, as I can show you step by step.

5 0

3 years ago

Tanya [424]

Thermal energy was absorbed.

6 0

3 years ago

faltersainse [42]

Hello!

The molarity of the HBr solution is 0,172 M.

Why?

The neutralization reaction between LiOH and HBr is the following:

HBr(aq) + LiOH(aq) → LiBr(aq) + H₂O(l)

To solve this exercise, we are going to apply the common titration equation:

$M1*V1=M2*V2$

$M1=\frac{M2*V2}{V1}= \frac{0,215 M * 37,5 mL}{47 mL}=0,172 M$

Have a nice day!

4 0

3 years ago

Gnoma [55]

Hope it helped you.

4 0

3 years ago