Prayer and the power of Faith

The scriptures I used are:
James 5:16; John 15:7; 1 John 3:22; 2 Kings 1:12; 2 Kings 19:19; Acts 4:29; Matthew 15:14; 2 Corinthians 4:3-4; 1 Corinthians 2:14; Psalm 66:18; 1 John 5:15; James 4:3; James 1:6-7; Hebrews 11:6; Luke 22:42