Scripture About Christian prayers for church service

I exhort therefore, that, first of all, supplications, prayers, intercessions, and giving of thanks, be made for all men; For kings, and for all that are in authority; that we may lead a quiet and peaceable life in all godliness and honesty.

And they continued stedfastly in the apostles' doctrine and fellowship, and in breaking of bread, and in prayers.

Confess your faults one to another, and pray one for another, that ye may be healed. The effectual fervent prayer of a righteous man availeth much.

Continue in prayer, and watch in the same with thanksgiving;

For where two or three are gathered together in my name, there am I in the midst of them.