Carrying and burying the deceased

Q: If a person had committed suicide, where should he be buried? 

Q: What is the Shar'ee ruling regarding burying a Muslim in a non-Muslim graveyard?

Q: Is a person supposed to raise his hands while making dua in the following scenario:

a) When making dua for deceased at his home.

b) At the graveyard before/after burying the deceased.

Q: If a female deceased has no mahram relatives present at the janaazah, can non-mahram relatives go in to the qabar in order to bury her? Similarly, if there are no family members of the female deceased present at the janaazah, can she be buried by other Muslims?

Q: Can a non-Muslim go in the qabar to bury the deceased?

Q: Can one put aayaat of the Qur'an, Surah Yaseen, etc into the Qabar?

Q: If a family member arrives late at the qabrastaan and requests to see the face of the deceased relative (male or female), can he be allowed to view the face?

Q: If the body was buried without being made to face the qiblah, what should be done?

Q: Which direction must the body of the deceased face when placed in the qabar, e.g. if the right side of the body faces the qiblah then must the body be made to lie on the front wall of the qabar or the back wall of the qabar?

Q:

1. If a non-muslim passes away and he does not have any relative to bury him besides one Muslim relative, will it be permissible for the Muslim relative to bury the non-muslim deceased? Further, if the Muslim relative does not have wealth to pay for the burial, can one assist him by giving him some wealth to fulfill this need?

2. After a non-muslim is buried, generally the family of the non-muslim feed those who attended the burial. During this meal, alcohol is served. Will it be permissible for the Muslim relative to honor this custom by hosting it or contributing to it in any way? Similarly, if it is permissible for other Muslims to assist the Muslim relative financially, can the money that they give him be used for this meal?