Method of Salaah

Q: How long should the pause be between Surah Faatiha and a surah in salaah?

Q: What is the ruling on adding the word وبحمده to the tasbeeh of ruku' and sujood? Example: سبحان ربي العظيم وبحمده

I have seen some hadiths mention it, but not sure what the Hanafi madhab says regarding it.

Q: In Zohar when reading behind the imaam, are we supposed to also read Surah Fatiha and a Surah?

Q: My right toe hurts while walking because of sitting in prayer with toe facing the qiblah, what should I do?

Q: In the Jalsa or Ruku in prayer, we have to stop for at least one Subhanallah, but do we have to sit in Jalsa completely motionless, or is it okay if we sit for at least one Subhanallah but in that time our arm moved a little or our leg(s) moved a little? The same question is for Ruku too, do we have to be completely motionless, or is it okay that we be in Ruku for at least one Subhanallah but during that time we move a little? 

Q: In Asr prayer in Jamaat, when we stood up for the second Rakat, I said Bi, I had to say Bismillahirrahmanirrahim, but then I remembered that in Jamaat, we don't have to recite behind Imam, the Qira'at of Imam is enough for us, so I stopped after just saying Bi. Was my prayer broken or is it valid? 

Q: Is it sunnah to place the right hand on the forehead after fardh salaah? If it is, what dua or zikr should be read while doing it?

Q: As we know it is waajib to recite the first 3 verses of Surah Faatiha in every rakaah of salaah.

I heard a mufti say that qiraat changes the amount of verses in the Quraan. If I recite the first three verses of Surah Faatiha and combine the second and third verse and not recite further would my prayer be valid?

Q: What's the sunnah method of reading Surah Faatiha in salaah? Each ayah a different breath? Or joining more than one ayah in one breath?

Q: How many verses of Surah Fatiha is waajib to recite in salaah?