Which of the following statements about minerals and ores is true?

Chemistry

1 answer:

Monica [59]2 years ago

3 0

Answer:

please give a photo I can't now to help u

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would you expect the N-O bond in HNO2 to be longer, shorter, or the same length as the N-O bonds in NO2^-

prohojiy [21]

Longer, this is because the H in HNO2 is bonded with an oxygen, no longer allowing this structure to have a resonance structure.
NO2 on the other hand has one double bond and one single bond, so it has a resonance structure. And resonance structures are actually one structure so there isn't really a single and double bond, it's actually a 1 and 1/2 bond that calls for a higher bond order.
And I higher bond order will result in a shorter lengths!
I hope this helps out!!! And just out of curiosity, is this off of an AP FRQ packet??

8 0

3 years ago

Please help with the attached picture question 21, 22, 23

klasskru [66]

Explanation:

21. The given molecule for cracking is tetradecane.

On cracking it forms one mole of decane (C10H22) and two moles of ethene gas.

The chemical equation is shown below:

$C_1_4H_3_0->C_1_0H_2_2+2C_2H_4$